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S4U2proxy
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Exploiting Constrained Delegation Abuse
exploiting-constrained-delegation-abuse
mukul975/Anthropic-Cybersecurity-Skills
179
This technique details how to exploit misconfigurations within Kerberos Constrained Delegation (KCD) in Active Directory. By leveraging S4U2self and S4U2proxy extensions, attackers can impersonate highly privileged users (e.g., Domain Admins) to request service tickets, enabling lateral movement and full domain compromise during authorized red teaming or penetration testing.
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