ET MALWARE OSX/WireLurker CnC Beacon

Query · suricata

flow:established,to_server;
flowbits:set,ET.WireLurkerUA;
http.method;
content:"GET";
http.uri;
content:"/getversion.php?sn="; fast_pattern;
http.header_names;
content:!"Accept|0d 0a|";
content:!"Referer|0d 0a|";

Rule dependencies

Feeds into

  • 1 rule read ET.WireLurkerUA · view all
Raw source ET MALWARE OSX/WireLurker CnC Beacon · 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 OSX/WireLurker CnC Beacon";
    flow:established,to_server;
    flowbits:set,ET.WireLurkerUA;
    http.method;
    content:"GET";
    http.uri;
    content:"/getversion.php?sn="; fast_pattern;
    http.header_names;
    content:!"Accept|0d 0a|";
    content:!"Referer|0d 0a|";
    reference:url,paloaltonetworks.com/content/dam/paloaltonetworks-com/en_US/assets/pdf/reports/Unit_42/unit42-wirelurker.pdf;
    classtype:command-and-control;
    sid:2019662; rev:5;
    metadata:attack_target Client_Endpoint, created_at 2014_11_06, deployment Perimeter, malware_family OSX_WireLurker, signature_severity Major, tag c2, updated_at 2020_09_28, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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