ET MALWARE W32/Hicrazyk.A Downloader Install CnC Beacon

Query · suricata

flow:established,to_server;
http.uri;
content:"/setup/?name="; fast_pattern;
content:"&ini=";
content:"&v=";
http.user_agent;
content:"NSISDL/"; depth:7;
Raw source ET MALWARE W32/Hicrazyk.A Downloader Install CnC Beacon · 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 W32/Hicrazyk.A Downloader Install CnC Beacon";
    flow:established,to_server;
    http.uri;
    content:"/setup/?name="; fast_pattern;
    content:"&ini=";
    content:"&v=";
    http.user_agent;
    content:"NSISDL/"; depth:7;
    reference:url,www.microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=TrojanDownloader%3AWin32%2FHicrazyk.A&ThreatID=-2147281007;
    reference:md5,ddb8110ec415b7b6f43c0ef2b4076d45;
    classtype:command-and-control;
    sid:2018435; rev:9;
    metadata:attack_target Client_Endpoint, created_at 2014_04_30, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_09_24, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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