Rule History

SID: 903206598 • 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:"af:b2:67:1e:5b:33:5a:d6:42:19:7e:6d:3a:b0:7e:bb:96:cc:d6:c6"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/afb2671e5b335ad642197e6d3ab07ebb96ccd6c6/; sid:903206598; 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