alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"VIRUS INBOUND bad file attachment"; flow:to_server,established; content:"content-disposition|3a| attachment|3b|"; nocase; content:".zip|22|"; nocase; within:128; file_data; content:".pdf.exe"; within:64; sid:3000721; rev:1;)
#
alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ATTACK-RESPONSES directory listing"; flow:established; content:"Volume Serial Number"; sid:3001292; rev:1;)
