Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET POLICY Binary Download Smaller than 1 MB Likely Hostile"; flow:established,from_server; content:"|0d 0a 0d 0a|MZ"; byte_jump:4,58,relative,little; content:"PE|00 00|"; distance:-64; within:4; pcre:"/\x0d\x0aContent-Length\x3a \d{0,6}\x0d\x0a/"; classtype:policy-violation; sid:2007671; rev:16; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2020_08_20;)