Rule History

SID: 903203738 • Source: abuse.ch/sslbl-blacklist

Versions (3)

Version DetailsCurrent

Rev: 1 • Jun 25, 2025, 11:40 AM

Message:

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

Rule:

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (QuasarRAT C&C)"; tls_cert_fingerprint; content:"09:ae:8b:1d:55:28:38:b4:5f:cf:67:3c:bf:e0:1e:30:6e:bf:f6:4d"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/09ae8b1d552838b45fcf673cbfe01e306ebff64d/; sid:903203738; 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