Rule History

SID: 903204388 • 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:"83:18:86:1a:a6:90:c8:7c:2d:7a:1e:b6:52:12:ec:4c:bf:cb:73:e8"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/8318861aa690c87c2d7a1eb65212ec4cbfcb73e8/; sid:903204388; 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