alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED BlackHole EK Variant Payload Download"; flow:established,to_server; urilen:>48; content:".php?"; http_uri; fast_pattern:only; pcre:"/\.php\?[^=]+=(?:3[0-2a-e8-9]|[47][0-2]|2[d-j]|5[2-7]|6[c-e]){5}&[^=]+=(?:3[0-2a-e8-9]|[47][0-2]|2[d-j]|5[2-7]|6[c-e]){10}&/U"; flowbits:set,et.exploitkitlanding; classtype:exploit-kit; sid:2017076; rev:10; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_06_29, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)