Safety researchers have launched GPOHound, a robust open-source device designed to research Group Coverage Objects (GPOs) in Energetic Listing environments for misconfigurations and privilege escalation dangers.
Developed by cybersecurity agency Cogiceo, the device automates the detection of insecure settings like uncovered credentials, weak registry permissions, and unauthorized group memberships that attackers might exploit.
Why GPOHound Issues
GPOs handle safety insurance policies throughout Home windows networks however usually include missed vulnerabilities. GPOHound streamlines evaluation by:
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- Dumping GPOs into structured JSON or tree codecs.
- Mapping affected domains, OUs, and containers.
- Enriching BloodHound’s Neo4j database with new edges (e.g., AdminTo, CanRDP) and node properties (e.g., smbSigningEnabled: false).
- Decrypting credentials from legacy protocols like VNC, FileZilla, and Group Coverage Preferences (GPP).
“GPOHound bridges a vital hole in Energetic Listing auditing,” mentioned a Cogiceo spokesperson. “It transforms uncooked GPO knowledge into actionable insights for pink and blue groups.”
Key Options
1. Privileged Group Evaluation
GPOHound flags customers added to high-risk native teams (e.g., Directors, Backup Operators) and detects renamed built-in teams. It additionally identifies spoofable variables like %ComputerName% in membership guidelines.
2. Registry and Protocol Checks
- Insecure SMB settings (disabled signing).
- NTLMv1 assist.
- Computerized logon passwords.
- Saved credentials for VNC, WinSCP, and TeamViewer.
3. Privilege Rights Escalation
The device highlights harmful rights assignments similar to SeDebugPrivilege or SeImpersonatePrivilege, which attackers abuse for SYSTEM-level entry.
4. BloodHound Integration
By importing GPOHound’s customqueries.json, defenders visualize GPO-derived assault paths alongside conventional BloodHound knowledge.
Getting Began
Set up:
pipx set up "git+https://github.com/cogiceo/GPOHound" Stipulations:
smbclient -U "userpercentpass" //DC_IP/SYSVOL -c "recurse; mget *" - Import BloodHound knowledge utilizing bloodhound.py or SharpHound.
Pattern Instructions:
# Dump GPOs to JSON
gpohound dump --json
# Analyze native group memberships
gpohound evaluation --processed --object group
# Enrich BloodHound’s Neo4j database
gpohound evaluation --enrichGPOHound at present doesn’t interpret WMI filters or simulate GPO conflicts, which can result in false positives. Future updates intention so as to add HTML reporting, LDAP/SMB integration, and battle decision.
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