Rule History

SID: 903203756 • 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:"70:8f:3b:3a:f3:a2:02:71:15:a7:e7:3d:6e:f7:2d:69:a1:3e:37:fe"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/708f3b3af3a2027115a7e73d6ef72d69a13e37fe/; sid:903203756; 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