alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY PE EXE or DLL Windows file download Non-HTTP"; flow:established,to_client; content:"MZ"; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; within:4; app-layer-protocol:!http; classtype:policy-violation; sid:2000419; rev:24; metadata:created_at 2010_07_30, performance_impact Significant, confidence High, signature_severity Informational, updated_at 2023_04_12;)