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HTB | Job

Machine - https://app.hackthebox.com/machines/Jobarrow-up-right

IP - 10.129.234.73

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NMAP

└─$ nmap -sC -sV -p 25,80,445,3389,5985 10.129.234.73 -Pn -oA nmap_port_details
Starting Nmap 7.95 ( <https://nmap.org> ) at 2025-10-10 19:23 IST
Nmap scan report for 10.129.234.73
Host is up (1.4s latency).

PORT     STATE SERVICE       VERSION
25/tcp   open  smtp          hMailServer smtpd
| smtp-commands: JOB, SIZE 20480000, AUTH LOGIN, HELP
|_ 211 DATA HELO EHLO MAIL NOOP QUIT RCPT RSET SAML TURN VRFY
80/tcp   open  http          Microsoft IIS httpd 10.0
| http-methods: 
|_  Potentially risky methods: TRACE
|_http-server-header: Microsoft-IIS/10.0
|_http-title: Job.local
445/tcp  open  microsoft-ds?
3389/tcp open  ms-wbt-server Microsoft Terminal Services
|_ssl-date: 2025-10-10T13:56:08+00:00; 0s from scanner time.
| ssl-cert: Subject: commonName=job
| Not valid before: 2025-09-04T13:43:05
|_Not valid after:  2026-03-06T13:43:05
5985/tcp open  http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-title: Not Found
|_http-server-header: Microsoft-HTTPAPI/2.0
Service Info: Host: JOB; 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: 2025-10-10T13:55:37
|_  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 158.61 seconds

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Port 80

There is only a single webpage with an email career@job.local asking to send resume for hiring.

whatweb

dirsearch

Nothing interesting was there

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Port 25

We can try sending mail using sendmail

On the webpage it was mentioned that please send your cv as a libre office document So we will send the mail with malicious .odt file and try to get the ntlm hash

Let’s use thisarrow-up-right GitHub repo for creating .odt file

now it’s time for testing, it did not worked for some reason

Now I will try msfconsole for creating the .odt file

and I will start my smb listener and send the mail

on listner, I got the hash

let’s try to crack the hash, but not able to crack it

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foothold/ shell

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Shell as ?

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Getting shell via ODT file

I will use msfconsole for the exploit

Let’s download WyHDPdQBH and rename Invoke-PowerShellTcpEx.ps1 to WyHDPdQBH

Now let’s send the mail

found user.txt

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Privilege Escalation

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Shell as ?

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file upload on wwwroot

The user job\jack.black, who is a member of the JOB\developers group. This group is explicitly granted FullControl permissions on C:\\inetpub\\wwwroot

Let’s upload the shell.aspxarrow-up-right on wwwroot and load the page http://10.129.146.164/shell.aspxarrow-up-right and on the listener

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SeImpersonatePrivilege

It’s time to use the potato attack

and we are nt authority\\system

and we got the root.txt

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