ET MALWARE Backoff POS Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"POST"; nocase;
http.uri;
content:".php";
http.request_body;
content:"&op="; depth:4;
content:"&id=";
content:"&ui=";
content:"&wv="; fast_pattern;
content:"&bv=";
pcre:"/^&op=\d{1,2}&id=\w+?&ui=.+?&bv=\d{1,2}\.\d{1,2}($|&)/";
Raw source ET MALWARE Backoff POS 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Backoff POS Checkin";
    flow:to_server,established;
    http.method;
    content:"POST"; nocase;
    http.uri;
    content:".php";
    http.request_body;
    content:"&op="; depth:4;
    content:"&id=";
    content:"&ui=";
    content:"&wv="; fast_pattern;
    content:"&bv=";
    pcre:"/^&op=\d{1,2}&id=\w+?&ui=.+?&bv=\d{1,2}\.\d{1,2}($|&)/";
    reference:md5,d0c74483f20c608a0a89c5ba05c2197f;
    classtype:command-and-control;
    sid:2018857; rev:8;
    metadata:created_at 2014_03_06, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_25;
)

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