ET MALWARE Go/PSW.Agent_AGen.A Data Exfil

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.content_type;
content:"multipart/form-data|3b 20|boundary="; startswith;
content:!"-"; distance:0;
http.user_agent;
content:"GRequests/0.10"; bsize:14;
http.request_body;
content:"|5c 5c 2f|arch|2e|zip|22 0d 0a|Content-Type|3a 20|application/octet-stream|0d 0a 0d 0a|PK|03 04|";
Raw source ET MALWARE Go/PSW.Agent_AGen.A Data Exfil · 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 Go/PSW.Agent_AGen.A Data Exfil";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.content_type;
    content:"multipart/form-data|3b 20|boundary="; startswith;
    content:!"-"; distance:0;
    http.user_agent;
    content:"GRequests/0.10"; bsize:14;
    http.request_body;
    content:"|5c 5c 2f|arch|2e|zip|22 0d 0a|Content-Type|3a 20|application/octet-stream|0d 0a 0d 0a|PK|03 04|";
    reference:md5,662002d61f1aebd64fc204ce40fd65f2;
    classtype:command-and-control;
    sid:2034315; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_01;
)

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