Anubis

Verified writeups for the Anubis machine of Hack The Box

Anubis

$ tldr ASP SSTI → Chisel pivot → Software Portal abuse → AD

CVE / Bulletins: CVE-2021-42278 ↗ CVE-2021-42287 ↗

·	·
Operating system	Windows
Difficulty	Insane
Vector	Web
IP	10.10.11.102
Retirement date	2022-01-29
Skills	SSL Certificate Inspection - OpenSSL XSS (Cross-Site Scripting) ASP SSTI (Server Side Template Injection) (HackingDream ASP Resource) [RCE] InvokePowerShellTcp.ps1 - PowerShell Reverse Shell ConPtyShell (AntonioCoco Utility) - Shell Improvement Certificate Signing Request Inspection - OpenSSL Chisel + Remote Port Forwarding + Proxychains - Creating a SOCKS5 tunnel Abusing Software Portal Traffic inspection with Tcpdump and Tshark URL Host Manipulation Attack + Intercepting authentications with Netcat Playing with Responder to get a Net-NTLMv2 hash Cracking Hashes SMB enumeration with authenticated user Jamovi <=1.6.18 Exploitation - Malicious OMV File (XSS Vulnerability - Cross-Site Scripting Attack) XSS + NodeJS Command Injection + InvokePowerShellTcp.ps1 (Nishang) Reverse Shell ConPtyShell (AntonioCoco Utility) - Shell Improvement Abusing Certificate Services Playing with Certify.exe to find vulnerable templates PowerView.ps1 + ADCS.ps1 in order to generate a certificate request and get it approved by the CA ADCS.ps1 script manipulation (userprincipalname/samaccountname [Substitution Applied]) Listing certificates with gci command Attempting to obtain credentials with Rubeus (asktgt mode) [ERROR - No longer working] Exploiting CVE-2021-42278/CVE-2021-42287 (noPac.py) through Proxychains [Alternative Exploitation] Synchronizing our time with DC time (rdate) - Headers Information Leakage Getting an interactive console as the administrator user on the DC (noPac.py)

Writeups

Language	Author	Format	Link
🇪🇸 ES	S4vitar	Vídeo	Open
🇪🇸 ES	El Pingüino de Mario	Vídeo	Open
🇬🇧 EN	0xdf	Texto	Open
🇬🇧 EN	IppSec	Vídeo	Open

Skill resources

Curated documentation for each technique listed in the Skills column above. Sources: HackTricks, GTFOBins, PortSwigger, etc.

Skill	Source	Link
SSTI (Server-Side Template Injection)	PortSwigger	Open
Cross-Site Scripting (XSS)	HackTricks	Open
Cross-Site Scripting (XSS)	PortSwigger	Open
Information Leakage	HackTricks	Open
OS Command Injection	PortSwigger	Open
Cracking Hashes (hashcat / John)	HackTricks	Open
Port Forwarding / Pivoting	HackTricks	Open
SMB (139/445)	HackTricks	Open
Remote Code Execution (RCE)	HackTricks	Open

Related skills worth mastering

SQL Injection · Server-Side Request Forgery · Brute Force / Rate-Limit Bypass · EternalBlue (MS17-010) · MS08-067 (NetAPI) · Local File Inclusion (LFI) · Remote File Inclusion (RFI) · Shellshock (CVE-2014-6271)

If you liked this machine, try

• Nightmare — Linux, Insane
• Sniper — Windows, Medium
• Unbalanced — Linux, Hard
• CrossFit — Linux, Insane
• Acute — Windows, Hard

---

Comments & tips

Did the official writeup not work? Found a smarter trick? Share it here — comments live in GitHub Discussions.

Last updated: 2026-07-27