alert tcp $HOME_NET any -> $EXTERNAL_NET 5500 (msg:"ET HUNTING Suspicious VNC Remote Admin Request"; flow:to_server,established; content:"|49 44 3a|"; depth:3; content:"temp"; nocase; fast_pattern; distance:0; content:"|52 46 42 20 30 30 33 2e 30 30 38 0a|"; distance:0; reference:md5,2faf3040e8286d506144a0585d8f4162; classtype:trojan-activity; sid:2024029; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_03_01, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2019_07_26;)