Rule History

SID: 903202303 • Source: sslbl/ssl-fp-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Cobalt C&C)"; tls_cert_fingerprint; content:"39:47:d0:e9:fd:01:c4:85:ed:0b:61:66:2b:8f:69:93:fc:c4:26:7c"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/3947d0e9fd01c485ed0b61662b8f6993fcc4267c/; sid:903202303; rev:1;)

Created:

Jun 25, 2025, 11:40 AM

Updated:

Jun 25, 2025, 11:40 AM

DB Created:

Jul 17, 2025, 2:34 PM

DB Updated:

Jul 17, 2025, 2:34 PM

Filename:

sslblacklist_tls_cert.rules