ET MALWARE OSX/Mami CnC Checkin

Query · suricata

flow:established,to_server;
urilen:1;
http.method;
content:"POST";
http.header;
content:"User-Agent|3a 20 0d 0a|"; fast_pattern;
http.request_body;
content:"r="; depth:2;
content:"&rc="; distance:0;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE OSX/Mami CnC Checkin · 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 OSX/Mami CnC Checkin";
    flow:established,to_server;
    urilen:1;
    http.method;
    content:"POST";
    http.header;
    content:"User-Agent|3a 20 0d 0a|"; fast_pattern;
    http.request_body;
    content:"r="; depth:2;
    content:"&rc="; distance:0;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    reference:url,objective-see.com/blog/blog_0x26.html;
    reference:md5,8482fc5dbc6e00da151bea3eba61e360;
    classtype:command-and-control;
    sid:2025199; rev:4;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2018_01_14, deployment Perimeter, malware_family Mami, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_03_11;
)

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