Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED DRIVEBY Blackhole - Landing Page Requested - *.php?*=16HexCharacters in http_uri"; flow:to_server,established; urilen:>23; content:".php?"; http_uri; content:"="; within:8; http_uri; pcre:"/\?[a-z]{1,7}=[a-f0-9]{16}$/U"; pcre:"/=.*[a-f].*$/U"; flowbits:set,et.exploitkitlanding; flowbits:noalert; classtype:bad-unknown; sid:2014442; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Any, attack_target Client_Endpoint, created_at 2012_03_29, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag DriveBy, tag Blackhole, tag Exploit_Kit, updated_at 2020_08_20;)