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ESC17 - Beyond WSUS: Introduction and Threat Model
ESC17 is not a WSUS bug but a PKI trust problem in ADCS. The first part of a research series that maps out its attack surface.10 min read
ESC17 - Beyond WSUS: Intercepting Internal HTTPS
ESC17 forges a domain-trusted certificate. Against internal HTTPS, it surfaces credentials, session tokens, and Windows authentications in the clear.25 min read
Latest posts
All postsESC17 - Beyond WSUS: Hijacking Kerberos Sessions over LDAPS
ESC17 breaks LDAPS TLS, but authentication lives above it: cleartext bind capture and session hijacking, against NTLM as well as Kerberos, on the DC.
July 26, 2026 · 28 min read
ESC17 - Beyond WSUS: RDP Interception and NLA Bypass
ESC17 removes the RDP certificate warning. NLA downgrade no longer works against a modern client, but terminating CredSSP captures the password despite NLA.
July 26, 2026 · 17 min read