ET MALWARE MSIL/G1 Stealer/GravityRAT Uploading File

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?Value=11&FileName="; fast_pattern;
content:"&FileSize="; distance:0;
content:"&Macid="; distance:0;
content:"&UserCode="; distance:0;
Raw source ET MALWARE MSIL/G1 Stealer/GravityRAT Uploading File · 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 Uploading File";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?Value=11&FileName="; fast_pattern;
    content:"&FileSize="; distance:0;
    content:"&Macid="; distance:0;
    content:"&UserCode="; distance:0;
    reference:md5,783a48640c0776932fc81925962f273b;
    reference:url,blog.talosintelligence.com/2018/04/gravityrat-two-year-evolution-of-apt.html;
    classtype:trojan-activity;
    sid:2025538; rev:3;
    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;
)

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.