Rule History

SID: 903202298 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

SSLBL: Malicious SSL certificate detected (Cobalt C&C)

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Cobalt C&C)"; tls_cert_fingerprint; content:"c6:e4:22:fd:5f:59:9e:ce:5d:0e:d6:51:12:00:5b:f2:18:92:ca:16"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/c6e422fd5f599ece5d0ed65112005bf21892ca16/; sid:903202298; 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