ET MALWARE Hyperion Obfuscator Payload Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"from|20|builtins|20|import|20 2a 3b|"; startswith;
content:"|5b 27 5c|x64|5c|x65|5c|x63|5c|x6f|5c|x6d|5c|x70|5c|x72|5c|x65|5c|x73|5c|x73|27 5d|"; distance:0; fast_pattern;
content:"|5b 27 5c|x65|5c|x76|5c|x61|5c|x6c|27 5d|"; distance:0;
Raw source ET MALWARE Hyperion Obfuscator Payload Inbound · 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 MALWARE Hyperion Obfuscator Payload Inbound";
    flow:established,to_client;
    http.response_body;
    content:"from|20|builtins|20|import|20 2a 3b|"; startswith;
    content:"|5b 27 5c|x64|5c|x65|5c|x63|5c|x6f|5c|x6d|5c|x70|5c|x72|5c|x65|5c|x73|5c|x73|27 5d|"; distance:0; fast_pattern;
    content:"|5b 27 5c|x65|5c|x76|5c|x61|5c|x6c|27 5d|"; distance:0;
    classtype:trojan-activity;
    sid:2039716; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_11_04, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_04, reviewed_at 2025_10_24;
)

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