7MS #693: Pwning Ninja Hacker Academy – Part 3
Update: 2025-09-19
Description
This week your pal and mine Joe “The Machine” Skeen kept picking away at pwning Ninja Hacker Academy. To review where we’ve been in parts 1 and 2:
- We found a SQL injection on a box called SQL, got a privileged Sliver beacon on it, and dumped mimikatz info
- From that dump, we used the SQL box hash to do a BloodHound run, which revealed that we had excessive permissions over the Computers OU
- We used
dacledit.py
to give ourselves too much permission on the Computers OU
Today we:
- Did an RBCD attack against the WEB box
- Requested a service ticket to give us local admin superpowers on WEB
- Performed a secretsdump against WEB
- Struggled to do a mimikatz dump at the end of the episode (after we ended the stream I realized I could’ve just done the mimikatz dump because I had local admin access! Oh well, we’ll pick things up again during part 4 next month!)
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