ET MALWARE Win32/PSW.WOW.NLZ CnC Activity

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /in/3/"; startswith;
content:"?d56tdrf2z="; distance:0; fast_pattern;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE Win32/PSW.WOW.NLZ CnC 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 Win32/PSW.WOW.NLZ CnC Activity";
    flow:established,to_server;
    http.request_line;
    content:"GET /in/3/"; startswith;
    content:"?d56tdrf2z="; distance:0; fast_pattern;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    reference:md5,2bf730c712910a18f09e4d53750594d2;
    classtype:command-and-control;
    sid:2033918; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_09_09, deployment Perimeter, malware_family Win32_PSW_WOW_NLZ, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_09;
)

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