ET ATTACK_RESPONSE HTML Smuggling Powershell Payload In iframe

Query · suricata

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;
Raw source ET ATTACK_RESPONSE HTML Smuggling Powershell Payload In iframe · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
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;
)

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