alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TROJ_PROX.AFV POST"; flow:to_server,established; http.method; content:"POST"; nocase; http.uri; content:".php"; nocase; http.request_body; content:"=|22|sid|22|"; nocase; content:"=|22|up|22|"; nocase; content:"=|22|wbfl|22|"; nocase; content:"=|22|v|22|"; nocase; content:"=|22|ping|22|"; nocase; content:"=|22|guid|22|"; nocase; reference:url,trendmicro.com/vinfo/virusencyclo/default5.asp?VName=TROJ%5FPROXY%2EAFV&VSect=T; classtype:trojan-activity; sid:2007728; rev:11; metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_04_22;)