ET MOBILE_MALWARE Android.KorBanker Fake Banking App Install CnC Beacon

Query · suricata

flow:established,to_server;
http.method;
content:"POST"; nocase;
http.uri;
content:"/send_sim_no.php"; fast_pattern; endswith;
http.request_body;
content:"_no="; depth:16;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MOBILE_MALWARE Android.KorBanker Fake Banking App Install 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 MOBILE_MALWARE Android.KorBanker Fake Banking App Install CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"POST"; nocase;
    http.uri;
    content:"/send_sim_no.php"; fast_pattern; endswith;
    http.request_body;
    content:"_no="; depth:16;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,www.fireeye.com/blog/technical/targeted-attack/2013/11/dissecting-android-korbanker.html;
    reference:md5,a68bbfe91fab666daaf2c070db00022f;
    classtype:command-and-control;
    sid:2017787; rev:5;
    metadata:affected_product Android, attack_target Client_Endpoint, created_at 2013_11_28, deployment Perimeter, signature_severity Major, tag Android, tag c2, updated_at 2020_10_28, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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