Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED BlackHole EK Variant PDF Download"; flow:established,from_server; content:".pdf"; http_header; fast_pattern:only; file_data; content:"%PDF-"; within:100; flowbits:isset,et.BHEK.PDF; flowbits:set,et.exploitkitlanding; classtype:exploit-kit; sid:2017416; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_09_04, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)