ET MOBILE_MALWARE Android/Spy.Agent.AOX Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MOBILE_MALWARE Android/Spy.Agent.AOX Checkin";
    flow:to_server,established;
    http.method;
    content:"POST"; nocase;
    http.uri;
    content:"/ReadAllTracks.php"; fast_pattern;
    http.user_agent;
    content:"|3b 20|Android|20|";
    http.request_body;
    content:"{|22|contacts|22 3a|"; depth:12;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,www.welivesecurity.com/2019/08/22/first-spyware-android-ahmyth-google-play/;
    classtype:trojan-activity;
    sid:2027920; rev:3;
    metadata:affected_product Android, attack_target Mobile_Client, created_at 2019_08_27, deployment Perimeter, 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;
)