alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Android/FakeKakao checkin"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"androidbugreport.php"; http.header_names; content:!"User-Agent|0d 0a|"; nocase; http.request_body; content:"md="; content:"&fo="; content:"&ds="; reference:url,blog.fortinet.com/Fake-KakaoTalk-Security-Plug-in/; classtype:command-and-control; sid:2018137; rev:4; metadata:created_at 2014_02_14, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_27;)