Rule History

SID: 903205943 • 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:"51:cb:1f:5a:5c:66:15:3c:4f:99:3f:7f:36:38:b3:5b:3a:75:97:b3"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/51cb1f5a5c66153c4f993f7f3638b35b3a7597b3/; sid:903205943; 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