Rule History

SID: 903201485 • Source: sslbl/ssl-fp-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (Quakbot C&C)"; tls_cert_fingerprint; content:"25:fd:0b:a7:66:0d:05:52:47:45:d6:dc:ad:0c:bd:7d:8b:bc:b1:69"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/25fd0ba7660d05524745d6dcad0cbd7d8bbcb169/; sid:903201485; 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