ET MALWARE Sakula/Mivast C2 Activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".asp?cstring="; fast_pattern;
content:"&tom=";
content:"&id="; distance:0;
http.request_body;
content:"|00 00 00 00|"; depth:4;
http.header_names;
content:!"Accept";
content:!"Referer|0d 0a|";
Raw source ET MALWARE Sakula/Mivast C2 Activity · 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 Sakula/Mivast C2 Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".asp?cstring="; fast_pattern;
    content:"&tom=";
    content:"&id="; distance:0;
    http.request_body;
    content:"|00 00 00 00|"; depth:4;
    http.header_names;
    content:!"Accept";
    content:!"Referer|0d 0a|";
    reference:md5,5acc539355258122f8cdc7f5c13368e1;
    classtype:command-and-control;
    sid:2020378; rev:4;
    metadata:created_at 2015_02_06, signature_severity Major, updated_at 2020_09_29;
)

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