alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android/Locker.B Checkin 1"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"method=counter&app_key="; depth:23; http.header_names; content:!"Referer|0d 0a|"; reference:md5,28726f772f6b4b63fb40696a28afafc9; reference:url,malware.dontneedcoffee.com/2014/08/scarepackageknstant.html; classtype:trojan-activity; sid:2018945; rev:4; metadata:affected_product Android, attack_target Mobile_Client, created_at 2014_08_18, deployment Perimeter, signature_severity Major, tag Android, updated_at 2020_09_01, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)