Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Certificate Base64 Encoded Executable Inbound"; flow:established,to_client; file.data; content:"-----BEGIN CERTIFICATE-----|0d 0a|TVqQ"; depth:100; fast_pattern; isdataat:1000,relative; classtype:trojan-activity; sid:2029280; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_15, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_01_15, reviewed_at 2024_04_30;)