alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android/BasBanke CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"data=NewClient"; depth:14; fast_pattern; http.content_type; content:"application|2f|x-www-form-urlencoded"; http.header_names; content:!"Referer"; content:!"Accept"; content:!"User-Agent"; reference:md5,79cf391a3ae2477cd804c68850dba80d; reference:url,securelist.com/basbanke-trend-setting-brazilian-banking-trojan/90365/; classtype:command-and-control; sid:2027154; rev:2; metadata:affected_product Android, attack_target Mobile_Client, created_at 2019_04_04, deployment Perimeter, malware_family BasBanke, confidence High, signature_severity Major, tag Banker, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_28, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)