Back to Rule

Rule History

SID: 903203909 • Source: sslbl/ssl-fp-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1Jun 25, 2025, 11:40 AM

SSLBL: Malicious SSL certificate detected (ServHelper C&C)

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ServHelper C&C)"; tls_cert_fingerprint; content:"39:93:c8:5a:c1:78:8e:b4:e7:f3:6b:02:7f:13:5a:a6:55:57:3d:82"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/3993c85ac1788eb4e7f36b027f135aa655573d82/; sid:903203909; rev:1;)

Jun 25, 2025, 11:40 AM

Jun 25, 2025, 11:40 AM

Jul 17, 2025, 2:34 PM

Jul 17, 2025, 2:34 PM

sslblacklist_tls_cert.rules