Advanced Active Directory to Entra ID Lateral Movement Techniques

Dirk-jan Mollema

DEF CON 33 · Day 3 · Main Stage

Dirk-jan Mollema, founder of Outsider Security, presented new and advanced techniques for lateral movement from an on-premises Active Directory (AD) environment to Microsoft Entra ID (formerly Azure A

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Dirk-jan Mollema extends hybrid AD/Entra ID attack research with three new lateral movement techniques: PKI-based cloud authentication bridge via on-premises CA trust, Exchange hybrid service account credential extraction, and ImmutableID manipulation to take over cloud-only accounts — including break-glass admin accounts previously assumed safe from on-premises compromise.

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