Use the Impacket suite tool GetNPUsers.py to check the users.txt list against the domain htb.local :
The scan results reveal the following:
The Privileged IT Accounts group belongs to the group.
The first step is identifying the attack surface. Since Forest is a Windows machine, we expect to see standard AD services. forest hackthebox walkthrough best
The DC allows , which is a critical configuration error. Using tools like enum4linux-ng or ldapsearch , you can dump the entire list of domain users without any credentials. One specific user often stands out: svc-alfresco . 2. Foothold: AS-REP Roasting
BloodHound is a standard tool for mapping attack paths in AD. Running the ingestor on the target provides data for analysis: powershell Invoke-BloodHound -CollectionMethod All Use code with caution. Step 2: Path Analysis
Users in "Server Operators" can interact with specific service configurations. In older or misconfigured Windows versions, this can allow for escalating privileges. However, a more direct route is often available. By checking group memberships again: powershell net user svc-account /domain Use code with caution. We see svc-account is in: Account Operators Server Operators Use the Impacket suite tool GetNPUsers
Using the Administrator hash, we can gain full control via psexec or simply log in via WinRM. evil-winrm -i 10.10.10.161 -u Administrator -H 'HASH' Use code with caution. Read the root.txt flag. Key Takeaways & Prevention
The initial phase requires discovering open ports and identifying active services on the target machine.
The script dumps the password hashes for all domain users, including the account: The DC allows , which is a critical configuration error
Using PowerView, one can grant the current user the rights to perform directory replication (DCSync): powershell
BloodHound reveals that svc-account is a member of the group. Exploiting Group Policy
Grab the user.txt flag from C:\Users\svc-alfresco\Desktop .
The mode for Kerberos 5 AS-REP is 18200 .