alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Blackhole Eval Split String Obfuscation In Brackets"; flow:established,to_client; file_data; content:"[|22|e"; fast_pattern; content:"|22|+|22|"; within:11; content:"l|22|]"; within:11; pcre:"/\x7B\x22e(v|x22\x2B\x22)(v|x22\x2B\x22|a)(a|v|x22\x2B\x22)[^\x5D]*?l\x22\x5D/"; classtype:trojan-activity; sid:2015477; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_07_14, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)