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;)