alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Angler EK Payload DL M2 Feb 06 2015"; flow:to_server,established; urilen:>48; content:"HTTP/1.1|0d 0a|Host|3a|"; fast_pattern:only; content:!"User-Agent|3a|"; http_header; content:!"Accept"; http_header; content:!"Referer"; http_header; content:"Connection|3a 20|Keep-Alive|0d 0a|"; http_header; pcre:"/^\/(?:[A-Za-z0-9-_]{4}){11,}(?:[A-Za-z0-9-_]{2}==|[A-Za-z0-9-_]{3}=)?$/U"; content:"GET"; http_method; classtype:exploit-kit; sid:2020399; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2015_02_12, deployment Perimeter, malware_family Angler, signature_severity Critical, tag Angler, tag Exploit_Kit, updated_at 2019_07_26;)