alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Angler EK Landing Jan 10 2014 2"; flow:established,to_client; file_data; content:"4MC8x"; fast_pattern:only; content:".GetUrl"; nocase; content:"aHR0cDo"; pcre:"/^[a-zA-Z0-9\/\+]+?4MC8x[a-zA-Z0-9\/\+]{18}(?:=|%3D){2}[\x22\x27]/R"; classtype:exploit-kit; sid:2017955; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_01_11, deployment Perimeter, malware_family Angler, signature_severity Critical, tag Angler, tag Exploit_Kit, updated_at 2019_07_26;)