alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED DRIVEBY Angler EK Apr 01 2014"; flow:established,to_client; content:"Expires|3a| Sat, 26 Jul 1997 05|3a|00|3a|00 GMT|0d 0a|Last-Modified|3a| Sat, 26 Jul 2040 05|3a|00|3a|00 GMT|0d 0a|"; fast_pattern:55,20; http_header; classtype:exploit-kit; sid:2019224; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Any, attack_target Client_Endpoint, created_at 2014_09_23, deployment Perimeter, malware_family Angler, signature_severity Major, tag Angler, tag DriveBy, tag Exploit_Kit, updated_at 2019_07_26;)