alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE DroidKungFu Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/search/sayhi.php"; http_uri; reference:url,extraexploit.blogspot.com/2011/06/droidkungfu-just-some-piece-of-code.html; reference:url,www.redmondpie.com/droidkungfu-new-hard-to-detect-android-malware-threat-on-the-loose-steals-user-data-and-more/; reference:url,www.fortiguard.com/encyclopedia/virus/android_droidkungfu.a!tr.html; classtype:trojan-activity; sid:2013020; rev:2; metadata:attack_target Mobile_Client, created_at 2011_06_13, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)