alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android/Smsilence.A Sending SMS Messages CnC Beacon"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/Android_SMS/receiving.php"; reference:url,blogs.mcafee.com/mcafee-labs/sms-trojan-targets-south-korean-android-devices; classtype:command-and-control; sid:2016513; rev:4; metadata:affected_product Android, attack_target Client_Endpoint, created_at 2013_03_01, deployment Perimeter, signature_severity Major, tag Android, 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;)