alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android JadeRAT CnC Beacon 2"; flow:to_server,established; dsize:22; content:"@!hi|3a|"; depth:5; fast_pattern; pcre:"/^\d{15}\r\n$/R"; reference:md5,9027f111377598362972745478e40311; reference:url,blog.lookout.com/mobile-threat-jaderat; classtype:command-and-control; sid:2024896; rev:1; metadata:affected_product Android, attack_target Client_Endpoint, created_at 2017_10_23, deployment Perimeter, malware_family Android_JadeRAT, confidence High, signature_severity Major, tag Android, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)