ET MALWARE Win32/Pterodo CnC Activity (POST)

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST /index.arc/"; startswith; fast_pattern;
content:!".php";
content:!".asp";
http.header_names;
content:!"Referer";
http.user_agent;
content:!"Linux";
content:!"Android";
http.request_body;
content:"username="; startswith;
content:"_"; distance:0;
content:"&cart="; distance:0;
Raw source ET MALWARE Win32/Pterodo CnC Activity (POST) · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Pterodo CnC Activity (POST)";
    flow:established,to_server;
    http.request_line;
    content:"POST /index.arc/"; startswith; fast_pattern;
    content:!".php";
    content:!".asp";
    http.header_names;
    content:!"Referer";
    http.user_agent;
    content:!"Linux";
    content:!"Android";
    http.request_body;
    content:"username="; startswith;
    content:"_"; distance:0;
    content:"&cart="; distance:0;
    reference:md5,0d7d8cc1756b932854e20dbe5d233afd;
    reference:url,twitter.com/h2jazi/status/1498017819539116033;
    classtype:trojan-activity;
    sid:2035311; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_28;
)

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