Back to Rule

Rule History

SID: 903203853 • 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:"a6:4d:a9:de:2a:18:2f:c4:18:49:ff:c7:ed:8b:02:85:05:2a:30:31"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/a64da9de2a182fc41849ffc7ed8b0285052a3031/; sid:903203853; 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