alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Win32.Banker.AAD CnC Communication"; flow:established,to_server; content:"filename=|22|C|3A 5C|WINDOWS|5C|system32"; nocase; http_header; content:"Content-Type|3A| C|3A 5C|WINDOWS|5C|system32"; nocase; http_header; reference:md5,8556aec7ff96824e2da9d1b948ed7029; classtype:command-and-control; sid:2012300; rev:4; metadata:created_at 2011_02_07, signature_severity Unknown, updated_at 2019_07_26;)