alert tcp $HOME_NET any -> $EXTERNAL_NET 5612 (msg:"ET MALWARE Win32/Pterodo CnC VNC Connect Request"; flow:established,to_server; content:"|49 44 3a|"; depth:3; pcre:"/^\d+?\x00/R"; content:"|3a 5c|"; distance:0; content:"\\Contacts|00|Driver"; fast_pattern; distance:0; content:"Hood.exe"; distance:0; within:10; reference:url,symantec-enterprise-blogs.security.com/blogs/threat-intelligence/shuckworm-gamaredon-espionage-ukraine; classtype:command-and-control; sid:2036293; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_21, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_14;)