alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Trojan-Banker.AndroidOS.Ermak.a Checkin"; flow:to_server,established; http.method; content:"POST"; http.uri; content:".php/"; isdataat:!1,relative; http.request_body; content:"EaKOK77b+IomsbTNNPtmf"; depth:21; fast_pattern; http.header_names; content:!"Referer"; reference:md5,63374e65c9e2991adb56a7b9434e44c6; reference:url,twitter.com/0xrb/status/1564222855830597632; classtype:command-and-control; sid:2038635; rev:2; metadata:affected_product Android, attack_target Mobile_Client, created_at 2022_06_02, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_29;)