Professional Methodology
Kerberos Penetration Testing Methodology
A comprehensive, step-by-step approach to conducting professional Kerberos penetration tests. This methodology covers everything from initial reconnaissance to advanced ticket manipulation attacks.
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Methodology Overview
Our proven 4-phase approach to Kerberos security testing
Reconnaissance
Information gathering and target identification
Authentication
Testing authentication mechanisms
Exploitation
Ticket manipulation and attacks
Delegation
Advanced delegation attacks
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1
Reconnaissance & Information Gathering
Identify Kerberos infrastructure and gather initial intelligence
Domain enumeration using BloodHound
Service Principal Name (SPN) discovery
Active Directory user enumeration
Kerberos service identification
2
Kerberos Authentication Testing
Test authentication mechanisms and identify weaknesses
ASREPRoasting attacks on accounts without pre-authentication
Kerberoasting service account attacks
Password spraying against Kerberos
Brute force authentication testing
3
Ticket Manipulation & Exploitation
Advanced ticket-based attacks and privilege escalation
Golden Ticket attack creation and usage
Silver Ticket attacks against specific services
Ticket renewal and manipulation
Cross-realm trust exploitation
4
Delegation Attacks
Exploit Kerberos delegation configurations
Unconstrained delegation abuse
Constrained delegation exploitation
Resource-based constrained delegation
S4U2Self and S4U2Proxy attacks
Essential Kerberos Testing Tools
Professional tools for comprehensive Kerberos security assessment
Reconnaissance Tools
- • BloodHound for AD enumeration
- • Kerbrute for user enumeration
- • PowerView for domain reconnaissance
- • ADRecon for comprehensive scanning
Attack Tools
- • Rubeus for Kerberos attacks
- • Impacket for protocol exploitation
- • Mimikatz for credential extraction
- • CrackMapExec for lateral movement
Analysis Tools
- • Wireshark for traffic analysis
- • Hashcat for password cracking
- • John the Ripper for hash cracking
- • Responder for network poisoning
Kerberos Auditing
Learn how to audit Kerberos configurations for security vulnerabilities
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Hardening Guide
Best practices for securing and hardening Kerberos deployments
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Attack Vectors
Common Kerberos attack techniques and exploitation methods
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