Syskey reuses keystream

Overview Versions of SYSKEY in use prior to December, 1999 leave the SAM database vulnerable to cryptanalytic attacks. Description SYSKEY is a utility introduced in Microsoft Windows NT 4.0 service pack 3 to provide strong cryptographic protection to the SAM password database. The protection SYSK...

bindview.syskey.txt

BindView Security Advisory -------- Windows NT's SYSKEY feature Issue date: December 16, 1999 Contact: Todd Sabin Topic: Vulnerability in Windows NT's SYSKEY encryption Overview: SYSKEY does not fully protect the SAM from off-line attacks. Specifically, dictionary and brute-force password crackin...