alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MOBILE_MALWARE Android/FakeKakao checkin 2";
flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:"filter.php";
http.header_names;
content:!"User-Agent|0d 0a|"; nocase;
http.request_body;
content:"id="; depth:3;
reference:url,blog.fortinet.com/Fake-KakaoTalk-Security-Plug-in/;
classtype:trojan-activity;
sid:2018139; rev:3;
metadata:affected_product Android, attack_target Mobile_Client, created_at 2014_02_14, deployment Perimeter, signature_severity Major, tag Android, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_27, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)