Rule History

SID: 903203615 • 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:"c9:93:d8:81:ed:ee:5a:d2:eb:bf:e4:58:5d:3b:39:a3:9d:3e:fe:60"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c993d881edee5ad2ebbfe4585d3b39a39d3efe60/; sid:903203615; 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