ET ATTACK_RESPONSE HTML Smuggling Powershell Payload In href

Query · suricata

flow:to_client,established;
http.response_body;
content:"|3c|a|20|href|3d 22|data|3a|text|2f|x|2d|powershell|3b|base64|2c|"; fast_pattern;
Raw source ET ATTACK_RESPONSE HTML Smuggling Powershell Payload In href · Suricata
Esc
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 href";
    flow:to_client,established;
    http.response_body;
    content:"|3c|a|20|href|3d 22|data|3a|text|2f|x|2d|powershell|3b|base64|2c|"; fast_pattern;
    reference:url,twitter.com/phage_nz/status/1552779565663387653;
    classtype:trojan-activity;
    sid:2037886; rev:2;
    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_05_08;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.