Hero Image
[HTB] Machine: Absolute

Absolute

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.11.181 --min-rate 10000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-10-03 19:44 BST
Nmap scan report for 10.10.11.181 (10.10.11.181)
Host is up (0.10s latency).
Not shown: 65509 closed ports
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
47001/tcp open  winrm
49664/tcp open  unknown
49665/tcp open  unknown
49666/tcp open  unknown
49667/tcp open  unknown
49673/tcp open  unknown
49674/tcp open  unknown
49675/tcp open  unknown
49686/tcp open  unknown
49692/tcp open  unknown
49699/tcp open  unknown
49703/tcp open  unknown
└─$ nmap -Pn -p53,80,88,135,139,389,445,464,593,636,3268,3269,5985,9389 -sC -sV 10.10.11.181  --min-rate 10000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-10-03 19:36 BST
Nmap scan report for 10.10.11.181 (10.10.11.181)
Host is up (0.18s latency).

PORT     STATE SERVICE       VERSION
53/tcp   open  domain        Simple DNS Plus
80/tcp   open  http          Microsoft IIS httpd 10.0
| http-methods: 
|_  Potentially risky methods: TRACE
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Absolute
88/tcp   open  kerberos-sec  Microsoft Windows Kerberos (server time: 2023-10-04 01:35:57Z)
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: absolute.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-10-04T01:36:48+00:00; +6h59m17s from scanner time.
| ssl-cert: Subject: commonName=dc.absolute.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.absolute.htb
| Not valid before: 2023-07-17T21:11:52
|_Not valid after:  2024-07-16T21:11:52
445/tcp  open  microsoft-ds?
464/tcp  open  kpasswd5?
593/tcp  open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp  open  ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: absolute.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-10-04T01:36:49+00:00; +6h59m17s from scanner time.
| ssl-cert: Subject: commonName=dc.absolute.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.absolute.htb
| Not valid before: 2023-07-17T21:11:52
|_Not valid after:  2024-07-16T21:11:52
3268/tcp open  ldap          Microsoft Windows Active Directory LDAP (Domain: absolute.htb0., Site: Default-First-Site-Name)
| ssl-cert: Subject: commonName=dc.absolute.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.absolute.htb
| Not valid before: 2023-07-17T21:11:52
|_Not valid after:  2024-07-16T21:11:52
|_ssl-date: 2023-10-04T01:36:48+00:00; +6h59m17s from scanner time.
3269/tcp open  ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: absolute.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-10-04T01:36:49+00:00; +6h59m17s from scanner time.
| ssl-cert: Subject: commonName=dc.absolute.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.absolute.htb
| Not valid before: 2023-07-17T21:11:52
|_Not valid after:  2024-07-16T21:11:52
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: 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: 2023-10-04T01:36:42
|_  start_date: N/A
|_clock-skew: mean: 6h59m16s, deviation: 0s, median: 6h59m16s

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 59.79 seconds
  • smb
└─$ smbclient -N -L //10.10.11.181                                                               
Anonymous login successful

        Sharename       Type      Comment
        ---------       ----      -------
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to 10.10.11.181 failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
Unable to connect with SMB1 -- no workgroup available
  • ldap
└─$ ldapsearch -H ldap://dc.absolute.htb -x -s base namingcontexts
# extended LDIF
#
# LDAPv3
# base <> (default) with scope baseObject
# filter: (objectclass=*)
# requesting: namingcontexts 
#

#
dn:
namingcontexts: DC=absolute,DC=htb
namingcontexts: CN=Configuration,DC=absolute,DC=htb
namingcontexts: CN=Schema,CN=Configuration,DC=absolute,DC=htb
namingcontexts: DC=DomainDnsZones,DC=absolute,DC=htb
namingcontexts: DC=ForestDnsZones,DC=absolute,DC=htb

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1
└─$ ldapsearch -H ldap://dc.absolute.htb -x  -b "DC=absolute,DC=htb"  
# extended LDIF
#
# LDAPv3
# base <DC=absolute,DC=htb> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# search result
search: 2
result: 1 Operations error
text: 000004DC: LdapErr: DSID-0C090A5C, comment: In order to perform this opera
 tion a successful bind must be completed on the connection., data 0, v4563

# numResponses: 1                     
  • dns
└─$ dig absolute.htb @dc.absolute.htb                                                                                   

; <<>> DiG 9.18.16-1-Debian <<>> absolute.htb @dc.absolute.htb
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38236
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

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

;; ANSWER SECTION:
absolute.htb.           600     IN      A       10.10.11.181

;; Query time: 103 msec
;; SERVER: 10.10.11.181#53(dc.absolute.htb) (UDP)
;; WHEN: Wed Oct 04 17:29:51 BST 2023
;; MSG SIZE  rcvd: 57
└─$ dig axfr absolute.htb @dc.absolute.htb 

; <<>> DiG 9.18.16-1-Debian <<>> axfr absolute.htb @dc.absolute.htb
;; global options: +cmd
; Transfer failed.
  • dnsenum
└─$ dnsenum --dnsserver 10.10.11.181 -f /usr/share/seclists/Discovery/DNS/bitquark-subdomains-top100000.txt absolute.htb
dnsenum VERSION:1.2.6

-----   absolute.htb   -----                                                                                                                                                                                                                


Host's addresses:                                                                                                                                                                                                                           
__________________                                                                                                                                                                                                                          

absolute.htb.                            600      IN    A        10.10.11.181                                                                                                                                                               


Name Servers:                                                                                                                                                                                                                               
______________                                                                                                                                                                                                                              

dc.absolute.htb.                         1200     IN    A        10.10.11.181                                                                                                                                                               


Mail (MX) Servers:                                                                                                                                                                                                                          
___________________                                                                                                                                                                                                                         


Trying Zone Transfers and getting Bind Versions:                                                                                                                                                                                            
_________________________________________________                                                                                                                                                                                           

unresolvable name: dc.absolute.htb at /usr/bin/dnsenum line 900.                                                                                                                                                                            
                                                                                                                                                                                                                                            
Trying Zone Transfer for absolute.htb on dc.absolute.htb ... 
AXFR record query failed: no nameservers


Brute forcing with /usr/share/seclists/Discovery/DNS/bitquark-subdomains-top100000.txt:                                                                                                                                                     
________________________________________________________________________________________                                                                                                                                                    
  
dc.absolute.htb.                         1200     IN    A        10.10.11.181                                                                                                                                                               
domaindnszones.absolute.htb.             600      IN    A        10.10.11.181
forestdnszones.absolute.htb.             600      IN    A        10.10.11.181

absolute.htb class C netranges:
________________________________


Performing reverse lookup on 0 ip addresses:
_____________________________________________

0 results out of 0 IP addresses.

absolute.htb ip blocks:
________________________

done.
  • Web Server

Hero Image
[HTB] Machine: Tentacle

Tentacle

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.224 -T4 --min-rate 5000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-26 20:09 BST
Nmap scan report for 10.10.10.224 (10.10.10.224)
Host is up (0.093s latency).
Not shown: 65495 filtered tcp ports (no-response), 36 filtered tcp ports (host-unreach)
PORT     STATE SERVICE
22/tcp   open  ssh
53/tcp   open  domain
88/tcp   open  kerberos-sec
3128/tcp open  squid-http

Nmap done: 1 IP address (1 host up) scanned in 39.58 seconds
└─$ nmap -Pn -p22,53,88,3128 -sC -sV 10.10.10.224 -T4 --min-rate 5000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-26 20:12 BST
Nmap scan report for 10.10.10.224 (10.10.10.224)
Host is up (0.12s latency).

PORT     STATE SERVICE      VERSION
22/tcp   open  ssh          OpenSSH 8.0 (protocol 2.0)
| ssh-hostkey: 
|   3072 8d:dd:18:10:e5:7b:b0:da:a3:fa:14:37:a7:52:7a:9c (RSA)
|   256 f6:a9:2e:57:f8:18:b6:f4:ee:03:41:27:1e:1f:93:99 (ECDSA)
|_  256 04:74:dd:68:79:f4:22:78:d8:ce:dd:8b:3e:8c:76:3b (ED25519)
53/tcp   open  domain       ISC BIND 9.11.20 (RedHat Enterprise Linux 8)
| dns-nsid: 
|_  bind.version: 9.11.20-RedHat-9.11.20-5.el8
88/tcp   open  kerberos-sec MIT Kerberos (server time: 2023-09-26 19:11:56Z)
3128/tcp open  http-proxy   Squid http proxy 4.11
|_http-server-header: squid/4.11
|_http-title: ERROR: The requested URL could not be retrieved
Service Info: Host: REALCORP.HTB; OS: Linux; CPE: cpe:/o:redhat:enterprise_linux:8

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 23.44 seconds
└─$ sudo nmap -Pn -sU 10.10.10.224 -T4 --min-rate 5000
[sudo] password for kali: 
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-26 20:13 BST
Nmap scan report for 10.10.10.224 (10.10.10.224)
Host is up (0.10s latency).
Not shown: 991 open|filtered udp ports (no-response)
PORT      STATE    SERVICE
53/udp    open     domain
88/udp    open     kerberos-sec
123/udp   open     ntp
17787/udp filtered unknown
20560/udp filtered unknown
21016/udp filtered unknown
40019/udp filtered unknown
44185/udp filtered unknown
49179/udp filtered unknown
  • dns
└─$ dig axfr @10.10.10.224
;; communications error to 10.10.10.224#53: timed out
;; communications error to 10.10.10.224#53: timed out

; <<>> DiG 9.18.16-1-Debian <<>> axfr @10.10.10.224
; (1 server found)
;; global options: +cmd
;; Query time: 175 msec
;; SERVER: 10.10.10.224#53(10.10.10.224) (UDP)
;; WHEN: Wed Sep 27 17:09:26 BST 2023
;; MSG SIZE  rcvd: 56
└─$ dig realcorp.htb @10.10.10.224

; <<>> DiG 9.18.16-1-Debian <<>> realcorp.htb @10.10.10.224
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20726
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 1d3b122485d1c4e6706e605e651453ed994c22dca6111a8b (good)
;; QUESTION SECTION:
;realcorp.htb.                  IN      A

;; AUTHORITY SECTION:
realcorp.htb.           86400   IN      SOA     realcorp.htb. root.realcorp.htb. 199609206 28800 7200 2419200 86400

;; Query time: 91 msec
;; SERVER: 10.10.10.224#53(10.10.10.224) (UDP)
;; WHEN: Wed Sep 27 17:11:02 BST 2023
;; MSG SIZE  rcvd: 110
└─$ dig axfr realcorp.htb @10.10.10.224

; <<>> DiG 9.18.16-1-Debian <<>> axfr realcorp.htb @10.10.10.224
;; global options: +cmd
; Transfer failed.
  • dnsenum
└─$ dnsenum --dnsserver 10.10.10.224 -f /usr/share/seclists/Discovery/DNS/bitquark-subdomains-top100000.txt realcorp.htb
dnsenum VERSION:1.2.6

-----   realcorp.htb   -----                                                                                                                                                                                                                

Host's addresses:                                                                                                                                                                                                                           
__________________                                                                                                                                                                                                                          
Name Servers:                                                                                                                                                                                                                               
______________                                                                                                                                                                                                                              

ns.realcorp.htb.                         259200   IN    A        10.197.243.77

Mail (MX) Servers:                                                                                                                                                                                                                          
___________________                                                                                                                                                                                                                           
Trying Zone Transfers and getting Bind Versions:                                                                                                                                                                                            
_________________________________________________                                                                                                                                                                                           

unresolvable name: ns.realcorp.htb at /usr/bin/dnsenum line 900.                                                                                                                                                                            
        
Trying Zone Transfer for realcorp.htb on ns.realcorp.htb ... 
AXFR record query failed: no nameservers
    
Brute forcing with /usr/share/seclists/Discovery/DNS/bitquark-subdomains-top100000.txt:                                                                                                                                                     
________________________________________________________________________________________                                                                                                                                         
ns.realcorp.htb.                         259200   IN    A        10.197.243.77
proxy.realcorp.htb.                      259200   IN    CNAME    ns.realcorp.htb.
ns.realcorp.htb.                         259200   IN    A        10.197.243.77
wpad.realcorp.htb.                       259200   IN    A        10.197.243.31
  • kerbrute
└─$ ./kerbrute userenum -d realcorp.htb --dc realcorp.htb /usr/share/seclists/Usernames/cirt-default-usernames.txt 

    __             __               __     
   / /_____  _____/ /_  _______  __/ /____ 
  / //_/ _ \/ ___/ __ \/ ___/ / / / __/ _ \
 / ,< /  __/ /  / /_/ / /  / /_/ / /_/  __/
/_/|_|\___/_/  /_.___/_/   \__,_/\__/\___/                                        

Version: v1.0.3 (9dad6e1) - 09/27/23 - Ronnie Flathers @ropnop

2023/09/27 17:24:12 >  Using KDC(s):
2023/09/27 17:24:12 >   realcorp.htb:88

2023/09/27 17:24:27 >  Done! Tested 828 usernames (0 valid) in 15.460 seconds
  • ntp
└─$ sudo nmap -Pn --script "ntp*" -sU -sV -p123 realcorp.htb
[sudo] password for kali: 
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-27 17:27 BST
Nmap scan report for realcorp.htb (10.10.10.224)
Host is up (0.13s latency).

PORT    STATE SERVICE VERSION
123/udp open  ntp     NTP v4 (secondary server)
| ntp-info: 
|_  receive time stamp: 2023-09-27T16:26:39

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 10.67 seconds
└─$ date; ntpdate -q 10.10.10.224
Wed Sep 27 05:30:03 PM BST 2023
2023-09-27 17:29:22.601161 (+0100) -40.729112 +/- 0.083173 10.10.10.224 s10 no-leap
  • squid version 4.11
    • srv01.realcorp.htb
    • user: j.nakazawa@realcorp.htb

Hero Image
[HTB] Machine: Intelligence

Intelligence

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.248 -T4                                                            
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-06 17:07 BST
Nmap scan report for 10.10.10.248 (10.10.10.248)
Host is up (0.095s latency).
Not shown: 65518 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
445/tcp   open  microsoft-ds
464/tcp   open  kpasswd5
593/tcp   open  http-rpc-epmap
636/tcp   open  ldapssl
3268/tcp  open  globalcatLDAP
5985/tcp  open  wsman
9389/tcp  open  adws
49667/tcp open  unknown
49691/tcp open  unknown
49692/tcp open  unknown
49708/tcp open  unknown
49714/tcp open  unknown
└─$ nmap -Pn -p53,80,88,135,139,389,445,464,593,636,3268,3269,9389 -sC -sV 10.10.10.248 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-06 17:11 BST
Nmap scan report for 10.10.10.248 (10.10.10.248)
Host is up (0.17s latency).

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-methods: 
|_  Potentially risky methods: TRACE
|_http-title: Intelligence
88/tcp   open  kerberos-sec  Microsoft Windows Kerberos (server time: 2023-09-06 23:10:33Z)
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: intelligence.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-09-06T23:11:56+00:00; +6h59m24s from scanner time.
| ssl-cert: Subject: commonName=dc.intelligence.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.intelligence.htb
| Not valid before: 2021-04-19T00:43:16
|_Not valid after:  2022-04-19T00:43:16
445/tcp  open  microsoft-ds?
464/tcp  open  kpasswd5?
593/tcp  open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp  open  ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: intelligence.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-09-06T23:11:57+00:00; +6h59m24s from scanner time.
| ssl-cert: Subject: commonName=dc.intelligence.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.intelligence.htb
| Not valid before: 2021-04-19T00:43:16
|_Not valid after:  2022-04-19T00:43:16
3268/tcp open  ldap          Microsoft Windows Active Directory LDAP (Domain: intelligence.htb0., Site: Default-First-Site-Name)
| ssl-cert: Subject: commonName=dc.intelligence.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.intelligence.htb
| Not valid before: 2021-04-19T00:43:16
|_Not valid after:  2022-04-19T00:43:16
|_ssl-date: 2023-09-06T23:11:56+00:00; +6h59m24s from scanner time.
3269/tcp open  ssl/ldap      Microsoft Windows Active Directory LDAP (Domain: intelligence.htb0., Site: Default-First-Site-Name)
|_ssl-date: 2023-09-06T23:11:56+00:00; +6h59m24s from scanner time.
| ssl-cert: Subject: commonName=dc.intelligence.htb
| Subject Alternative Name: othername: 1.3.6.1.4.1.311.25.1::<unsupported>, DNS:dc.intelligence.htb
| Not valid before: 2021-04-19T00:43:16
|_Not valid after:  2022-04-19T00:43:16
9389/tcp open  mc-nmf        .NET Message Framing
Service Info: Host: DC; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-time: 
|   date: 2023-09-06T23:11:17
|_  start_date: N/A
|_clock-skew: mean: 6h59m23s, deviation: 0s, median: 6h59m23s
| 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 91.24 seconds
└─$ sudo nmap -sU --top-ports 10 -sV -sC 10.10.10.248
[sudo] password for kali: 
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-06 17:23 BST
Nmap scan report for 10.10.10.248 (10.10.10.248)
Host is up (0.10s latency).

PORT     STATE         SERVICE      VERSION
53/udp   open          domain       Simple DNS Plus
67/udp   open|filtered dhcps
123/udp  open          ntp          NTP v3
| ntp-info: 
|_  
135/udp  open|filtered msrpc
137/udp  open|filtered netbios-ns
138/udp  open|filtered netbios-dgm
161/udp  open|filtered snmp
445/udp  open|filtered microsoft-ds
631/udp  open|filtered ipp
1434/udp open|filtered ms-sql-m
Service Info: OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
|_clock-skew: 6h59m24s
  • smb
└─$ smbclient -N -L //10.10.10.248                         
Anonymous login successful

        Sharename       Type      Comment
        ---------       ----      -------
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to 10.10.10.248 failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
Unable to connect with SMB1 -- no workgroup available
  • dns
└─$ dig  @dc.intelligence.htb intelligence.htb 

; <<>> DiG 9.18.16-1-Debian <<>> @dc.intelligence.htb intelligence.htb
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1581
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

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

;; ANSWER SECTION:
intelligence.htb.       600     IN      A       10.10.10.248

;; Query time: 95 msec
;; SERVER: 10.10.10.248#53(dc.intelligence.htb) (UDP)
;; WHEN: Wed Sep 06 17:29:23 BST 2023
;; MSG SIZE  rcvd: 61
└─$ dig axfr @dc.intelligence.htb intelligence.htb

; <<>> DiG 9.18.16-1-Debian <<>> axfr @dc.intelligence.htb intelligence.htb
; (1 server found)
;; global options: +cmd
; Transfer failed.
└─$ dnsenum --dnsserver 10.10.10.248 -f /usr/share/seclists/Discovery/DNS/bitquark-subdomains-top100000.txt intelligence.htb      
dnsenum VERSION:1.2.6

-----   intelligence.htb   -----                                                                                                                                                                                                            
                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                            
Host's addresses:                                                                                                                                                                                                                           
__________________                                                                                                                                                                                                                          
                                                                                                                                                                                                                                            
intelligence.htb.                        600      IN    A        10.10.10.248                                                                                                                                                               

                                                                                                                                                                                                                                            
Name Servers:                                                                                                                                                                                                                               
______________                                                                                                                                                                                                                              
                                                                                                                                                                                                                                            
dc.intelligence.htb.                     3600     IN    A        10.10.10.248                                                                                                                                                               

                                                                                                                                                                                                                                            
Mail (MX) Servers:                                                                                                                                                                                                                          
___________________                                                                                                                                                                                                                         
                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                            
Trying Zone Transfers and getting Bind Versions:                                                                                                                                                                                            
_________________________________________________                                                                                                                                                                                           
                                                                                                                                                                                                                                            
unresolvable name: dc.intelligence.htb at /usr/bin/dnsenum line 900.                                                                                                                                                                        
                                                                                                                                                                                                                                            
Trying Zone Transfer for intelligence.htb on dc.intelligence.htb ... 
AXFR record query failed: no nameservers

                                                                                                                                                                                                                                            
Brute forcing with /usr/share/seclists/Discovery/DNS/bitquark-subdomains-top100000.txt:                                                                                                                                                     
________________________________________________________________________________________                                                                                                                                                    
                                                                                                                                                                                                                                            
dc.intelligence.htb.                     3600     IN    A        10.10.10.248
domaindnszones.intelligence.htb.         600      IN    A        10.10.10.248
forestdnszones.intelligence.htb.         600      IN    A        10.10.10.248


intelligence.htb class C netranges:
____________________________________



Performing reverse lookup on 0 ip addresses:
_____________________________________________


0 results out of 0 IP addresses.


intelligence.htb ip blocks:
____________________________


done.
  • ldap
└─$ ldapsearch -H ldap://10.10.10.248 -x -s base namingcontexts
# extended LDIF
#
# LDAPv3
# base <> (default) with scope baseObject
# filter: (objectclass=*)
# requesting: namingcontexts 
#

#
dn:
namingcontexts: DC=intelligence,DC=htb
namingcontexts: CN=Configuration,DC=intelligence,DC=htb
namingcontexts: CN=Schema,CN=Configuration,DC=intelligence,DC=htb
namingcontexts: DC=DomainDnsZones,DC=intelligence,DC=htb
namingcontexts: DC=ForestDnsZones,DC=intelligence,DC=htb

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1
└─$ ldapsearch -H ldap://10.10.10.248 -x -b "DC=intelligence,DC=htb"
# extended LDIF
#
# LDAPv3
# base <DC=intelligence,DC=htb> with scope subtree
# filter: (objectclass=*)
# requesting: ALL
#

# search result
search: 2
result: 1 Operations error
text: 000004DC: LdapErr: DSID-0C090A5C, comment: In order to perform this opera
 tion a successful bind must be completed on the connection., data 0, v4563

# numResponses: 1
  • Web Server
    • contact@intelligence.htb
    • http://intelligence.htb/documents/2020-01-01-upload.pdf
    • http://intelligence.htb/documents/2020-12-15-upload.pdf

Hero Image
[HTB] Machine: Mantis

Mantis

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.52 -T4                            
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-03 09:57 BST
Nmap scan report for 10.10.10.52 (10.10.10.52)
Host is up (0.12s latency).
Not shown: 65508 closed tcp ports (conn-refused)
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
464/tcp   open  kpasswd5
593/tcp   open  http-rpc-epmap
636/tcp   open  ldapssl
1337/tcp  open  waste
1433/tcp  open  ms-sql-s
3268/tcp  open  globalcatLDAP
3269/tcp  open  globalcatLDAPssl
5722/tcp  open  msdfsr
8080/tcp  open  http-proxy
9389/tcp  open  adws
47001/tcp open  winrm
49152/tcp open  unknown
49153/tcp open  unknown
49154/tcp open  unknown
49155/tcp open  unknown
49157/tcp open  unknown
49158/tcp open  unknown
49161/tcp open  unknown
49165/tcp open  unknown
49171/tcp open  unknown
50255/tcp open  unknown
└─$ nmap -Pn -p53,88,135,139,389,445,464,593,636,1337,1433,3268,3269,5722,8080,9389,10475,26347,49152,49153,49154,49155,49157,49158,49164,49165,49171,50255 -sC -sV 10.10.10.52 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-03 10:22 BST
Nmap scan report for 10.10.10.52 (10.10.10.52)
Host is up (0.15s latency).

PORT      STATE  SERVICE      VERSION
53/tcp    open   domain       Microsoft DNS 6.1.7601 (1DB15CD4) (Windows Server 2008 R2 SP1)
| dns-nsid: 
|_  bind.version: Microsoft DNS 6.1.7601 (1DB15CD4)
88/tcp    open   kerberos-sec Microsoft Windows Kerberos (server time: 2023-09-03 09:22:30Z)
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: htb.local, Site: Default-First-Site-Name)
445/tcp   open                Windows Server 2008 R2 Standard 7601 Service Pack 1 microsoft-ds (workgroup: HTB)
464/tcp   open   kpasswd5?
593/tcp   open   ncacn_http   Microsoft Windows RPC over HTTP 1.0
636/tcp   open   tcpwrapped
1337/tcp  open   http         Microsoft IIS httpd 7.5
|_http-server-header: Microsoft-IIS/7.5
|_http-title: IIS7
| http-methods: 
|_  Potentially risky methods: TRACE
1433/tcp  open   ms-sql-s     Microsoft SQL Server 2014 12.00.2000.00; RTM
| ms-sql-info: 
|   10.10.10.52:1433: 
|     Version: 
|       name: Microsoft SQL Server 2014 RTM
|       number: 12.00.2000.00
|       Product: Microsoft SQL Server 2014
|       Service pack level: RTM
|       Post-SP patches applied: false
|_    TCP port: 1433
| ms-sql-ntlm-info: 
|   10.10.10.52:1433: 
|     Target_Name: HTB
|     NetBIOS_Domain_Name: HTB
|     NetBIOS_Computer_Name: MANTIS
|     DNS_Domain_Name: htb.local
|     DNS_Computer_Name: mantis.htb.local
|     DNS_Tree_Name: htb.local
|_    Product_Version: 6.1.7601
|_ssl-date: 2023-09-03T09:23:37+00:00; -36s from scanner time.
| ssl-cert: Subject: commonName=SSL_Self_Signed_Fallback
| Not valid before: 2023-09-03T08:54:18
|_Not valid after:  2053-09-03T08:54:18
3268/tcp  open   ldap         Microsoft Windows Active Directory LDAP (Domain: htb.local, Site: Default-First-Site-Name)
3269/tcp  open   tcpwrapped
5722/tcp  open   msrpc        Microsoft Windows RPC
8080/tcp  open   http         Microsoft IIS httpd 7.5
|_http-server-header: Microsoft-IIS/7.5
|_http-title: Tossed Salad - Blog
9389/tcp  open   mc-nmf       .NET Message Framing
10475/tcp closed unknown
26347/tcp closed unknown
49152/tcp open   msrpc        Microsoft Windows RPC
49153/tcp open   msrpc        Microsoft Windows RPC
49154/tcp open   msrpc        Microsoft Windows RPC
49155/tcp open   msrpc        Microsoft Windows RPC
49157/tcp open   ncacn_http   Microsoft Windows RPC over HTTP 1.0
49158/tcp open   msrpc        Microsoft Windows RPC
49164/tcp closed unknown
49165/tcp open   msrpc        Microsoft Windows RPC
49171/tcp open   msrpc        Microsoft Windows RPC
50255/tcp open   ms-sql-s     Microsoft SQL Server 2014 12.00.2000.00; RTM
| ms-sql-info: 
|   10.10.10.52:50255: 
|     Version: 
|       name: Microsoft SQL Server 2014 RTM
|       number: 12.00.2000.00
|       Product: Microsoft SQL Server 2014
|       Service pack level: RTM
|       Post-SP patches applied: false
|_    TCP port: 50255
| ssl-cert: Subject: commonName=SSL_Self_Signed_Fallback
| Not valid before: 2023-09-03T08:54:18
|_Not valid after:  2053-09-03T08:54:18
| ms-sql-ntlm-info: 
|   10.10.10.52:50255: 
|     Target_Name: HTB
|     NetBIOS_Domain_Name: HTB
|     NetBIOS_Computer_Name: MANTIS
|     DNS_Domain_Name: htb.local
|     DNS_Computer_Name: mantis.htb.local
|     DNS_Tree_Name: htb.local
|_    Product_Version: 6.1.7601
|_ssl-date: 2023-09-03T09:23:37+00:00; -37s from scanner time.
Service Info: Host: MANTIS; OS: Windows; CPE: cpe:/o:microsoft:windows_server_2008:r2:sp1, cpe:/o:microsoft:windows

Host script results:
| smb2-security-mode: 
|   2:1:0: 
|_    Message signing enabled and required
| smb2-time: 
|   date: 2023-09-03T09:23:28
|_  start_date: 2023-09-03T08:54:08
| smb-security-mode: 
|   account_used: <blank>
|   authentication_level: user
|   challenge_response: supported
|_  message_signing: required
| smb-os-discovery: 
|   OS: Windows Server 2008 R2 Standard 7601 Service Pack 1 (Windows Server 2008 R2 Standard 6.1)
|   OS CPE: cpe:/o:microsoft:windows_server_2008::sp1
|   Computer name: mantis
|   NetBIOS computer name: MANTIS\x00
|   Domain name: htb.local
|   Forest name: htb.local
|   FQDN: mantis.htb.local
|_  System time: 2023-09-03T05:23:27-04:00
|_clock-skew: mean: 33m41s, deviation: 1h30m43s, median: -36s
  • smb
└─$ smbclient -N -L //10.10.10.52 
Anonymous login successful

        Sharename       Type      Comment
        ---------       ----      -------
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to 10.10.10.52 failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
Unable to connect with SMB1 -- no workgroup available
  • rpc
└─$ rpcclient -U '' -N 10.10.10.52
rpcclient $> enumdomusers
result was NT_STATUS_ACCESS_DENIED
rpcclient $> querydispinfo
result was NT_STATUS_ACCESS_DENIED
rpcclient $>