ET MOBILE_MALWARE Trojan-Spy.AndroidOS.Joker Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"POST"; nocase;
http.uri;
content:"/api/report"; fast_pattern;
http.user_agent;
content:"|3b 20|Android|20|";
http.request_body;
content:"eyJ"; depth:3;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MOBILE_MALWARE Trojan-Spy.AndroidOS.Joker Checkin · 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 Trojan-Spy.AndroidOS.Joker Checkin";
    flow:to_server,established;
    http.method;
    content:"POST"; nocase;
    http.uri;
    content:"/api/report"; fast_pattern;
    http.user_agent;
    content:"|3b 20|Android|20|";
    http.request_body;
    content:"eyJ"; depth:3;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,058865332bfae541e82b55e4a7e63aaf;
    reference:url,medium.com/csis-techblog/analysis-of-joker-a-spy-premium-subscription-bot-on-googleplay-9ad24f044451;
    classtype:trojan-activity;
    sid:2027965; rev:3;
    metadata:affected_product Android, attack_target Mobile_Client, created_at 2019_09_09, deployment Perimeter, malware_family Android_Joker, confidence High, signature_severity Major, tag Android, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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