Rule History

SID: 903205101 • 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:"20:d9:6d:b3:27:cf:bb:1a:03:37:0d:12:61:b2:d4:cd:f0:e7:7b:c0"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/20d96db327cfbb1a03370d1261b2d4cdf0e77bc0/; sid:903205101; 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