Rule History

SID: 903207323 • 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:"1b:e2:b1:23:25:e8:56:5d:fb:9c:e6:91:1e:67:c5:75:bc:cf:d2:5f"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/1be2b12325e8565dfb9ce6911e67c575bccfd25f/; sid:903207323; 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