ET MALWARE Win32/Uwamson.A!ml CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"|2f|LIC|3f|action|3d|USE|5f|BATCH|26|clientid|3d|"; startswith; fast_pattern;
content:"&modulesid="; distance:0;
content:"&BuildVersion="; distance:0;
content:"&clientcomputer="; distance:0;
http.header_names;
content:"|0d 0a|Host|0d 0a|Accept|0d 0a|User-Agent|0d 0a 0d 0a|"; startswith;
Raw source ET MALWARE Win32/Uwamson.A!ml CnC Checkin · 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 Win32/Uwamson.A!ml CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"|2f|LIC|3f|action|3d|USE|5f|BATCH|26|clientid|3d|"; startswith; fast_pattern;
    content:"&modulesid="; distance:0;
    content:"&BuildVersion="; distance:0;
    content:"&clientcomputer="; distance:0;
    http.header_names;
    content:"|0d 0a|Host|0d 0a|Accept|0d 0a|User-Agent|0d 0a 0d 0a|"; startswith;
    reference:md5,4b3866b5b5bb3a69c1e786c1ce19ff2d;
    classtype:command-and-control;
    sid:2043098; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_28, deployment Perimeter, malware_family Win32_Uwamson_A_ml, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_28, reviewed_at 2024_12_24;
)

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