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Human Connection Challenge: Season 1 – Active Directory Official Walkthrough Guide (Community Version)

StefanApostol

Immerser

3 days ago

Time’s Up! Congratulations to everyone who completed Lab 7: Active Directory from the Human Connection Challenge: Season 1. In this walkthrough, I'll share some strategies for efficiently completin...

Updated 3 days ago

Version 2.0

community challenge

StefanApostol

Immerser

I've been in Offensive Cyber for over 10 years now. As a lead cybersecurity engineer here at Immersive, my job is to design and build content around infrastructure hacking and CTFs. Some of my collections you may know are: Windows Basics, Active Directory Basics, Post Exploitation with Metasploit, and the KWEEN Offensive CTF.

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Xat

Bronze III

2 days ago

Wait a minute! I just had to retry the lab again to make sure I wasn't going crazy. On step 1 my 'OffensiveAdmin' password was expired:

$ xfreerdp /v:10.102.57.161 /u:OffensiveAdmin /p:"It'sBlankAnyway" /cert-ignore +clipboard

[19:30:32:656] [56154:56155] [ERROR][com.freerdp.core] - nla_recv_pdu:freerdp_set_last_error_ex ERRCONNECT_PASSWORD_EXPIRED [0x0002000E]

I had to find another "hack" to bypass and login to RDP with expired password.

Did I break something? Or did StefanApostol give me a personal extra challenge?

steven
Silver II
2 days ago
https://arstechnica.com/security/2025/04/windows-rdp-lets-you-log-in-using-revoked-passwords-microsoft-is-ok-with-that/

I was able to just RDP into it:
xfreerdp /v:10.102.191.140 /u:'OffensiveAdmin' /dynamic-resolution /cert-ignore +clipboard +drives /drive:root,/home/kali
(and then filling in the pwd)
- Xat
  Bronze III
  2 days ago
  It works for me now too (should have been more clear). I had to get the above error from my logs. No idea what I did wrong back then (was a fun extra challenge).