alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Worm.AndroidOS.Selfmite.a Checkin"; flow:established,to_server; urilen:12; http.method; content:"GET"; http.uri; content:"/message.php"; fast_pattern; http.user_agent; content:"|20|Android|20|"; http.header_names; content:!"Referer|0d 0a|"; reference:md5,54b715f6608d4457a9d22cfdd8bddbe6; reference:url,adaptivemobile.com/blog/selfmite-worm; reference:url,computerworld.com/s/article/9249430/Self_propagating_SMS_worm_Selfmite_targets_Android_devices; classtype:trojan-activity; sid:2018792; rev:5; metadata:affected_product Android, attack_target Mobile_Client, created_at 2014_07_28, deployment Perimeter, signature_severity Major, tag Android, updated_at 2020_09_25, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)