ET MALWARE MSIL/G1 Stealer/GravityRAT Requesting Payload

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?Value=13&idPayload="; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET MALWARE MSIL/G1 Stealer/GravityRAT Requesting Payload · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MSIL/G1 Stealer/GravityRAT Requesting Payload";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?Value=13&idPayload="; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,783a48640c0776932fc81925962f273b;
    reference:url,blog.talosintelligence.com/2018/04/gravityrat-two-year-evolution-of-apt.html;
    classtype:trojan-activity;
    sid:2025539; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_26, deployment Perimeter, malware_family GravityRAT, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25;
)

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