alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Blackhole 2.0 Binary Get Request"; flow:established,to_server; content:"GET"; http_method; content:"Java/1."; http_user_agent; content:".php?"; http_uri; pcre:"/\.php\?\w{2,8}\=(0[0-9a-b]|3[0-9]){5,32}\&\w{2,9}\=(0[0-9a-b]|3[0-9]){10}\&\w{1,8}\=\d{2}\&\w{1,8}\=\w{1,8}\&\w{1,8}\=\w{1,8}$/U"; reference:url,fortknoxnetworks.blogspot.be/2012/10/blackhole-20-binary-get-request.html; classtype:successful-user; sid:2015836; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_10_24, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2020_08_20;)