Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET ATTACK_RESPONSE HTML Smuggling Powershell Payload In iframe"; flow:established,to_client; http.response_body; content:"|3c|iframe|20|src|3d 22 22|data|3a|text|2f|x|2d|powershell|3b|base64|2c|"; fast_pattern; classtype:trojan-activity; sid:2037887; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_02, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_12, reviewed_at 2024_01_26;)