Rule History

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (VenomRAT/DcRAT)"; flow:established,to_client; tls.cert_issuer; content:"OU=qwqdanchun"; endswith; fast_pattern; reference:url,app.any.run/tasks/8d2b933d-fab2-44d0-9ea7-d6f1064373e0?malconf=true; classtype:trojan-activity; sid:2062498; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_05_21, deployment Perimeter, malware_family DCRat, malware_family VenomRAT, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag AI_Generated_Description, updated_at 2025_05_21;)