alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Possible URL List or Clickfraud URLs Delivered To Client"; flow:established,to_client; file.data; content:"http|3a|//"; startswith; fast_pattern; content:"|7C|http|3a|//"; distance:0; content:"|0D 0A|http|3a|//"; distance:0; content:"|7C|http|3a|//"; distance:0; classtype:misc-activity; sid:2014149; rev:8; metadata:attack_target Client_Endpoint, created_at 2012_01_24, deployment Perimeter, confidence Low, signature_severity Informational, updated_at 2024_04_08; target:dest_ip;)