Rule History

SID: 903204243 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"6c:8a:c0:9c:e6:68:d2:a4:b7:f3:c6:58:a5:ee:ce:30:65:02:5d:ef"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/6c8ac09ce668d2a4b7f3c658a5eece3065025def/; sid:903204243; 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