alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Angler EK Feb 04 2015 M2"; flow:established,from_server; content:"26 Jul 2040"; http_header; fast_pattern:only; content:"Expires|3a| Sat, 26 Jul"; http_header; pcre:"/Last-Modified\x3a\x20[A-Z][a-z]+, 26 Jul 2040/H"; classtype:exploit-kit; sid:2020356; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_02_04, deployment Perimeter, malware_family Angler, signature_severity Critical, tag Angler, tag Exploit_Kit, updated_at 2019_07_26;)