ET MALWARE W32/DownloaderAgent.fajk Successful Infection CnC Beacon

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/admin/count.php?isOnline=1";
Raw source ET MALWARE W32/DownloaderAgent.fajk Successful Infection 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 W32/DownloaderAgent.fajk Successful Infection CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/admin/count.php?isOnline=1";
    reference:url,www.securelist.com/en/descriptions/15316120/Trojan.Win32.Agent.fajk;
    classtype:command-and-control;
    sid:2016312; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2013_01_30, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_04_23, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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