Rule History

SID: 903207347 • 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:"aa:86:85:8b:ae:7f:af:aa:5d:3c:9c:b1:6f:39:cb:d2:be:c6:63:18"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/aa86858bae7fafaa5d3c9cb16f39cbd2bec66318/; sid:903207347; 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