alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Shuckworm CnC Exfil M1"; flow:established,to_server; http.uri; content:"/baby.php"; startswith; content:"/baby"; endswith; http.user_agent; content:"Mozilla/5.0 (Windows NT 10.0)"; startswith; content:"::/.beagle/."; endswith; fast_pattern; reference:url,symantec-enterprise-blogs.security.com/blogs/threat-intelligence/shuckworm-gamaredon-espionage-ukraine; classtype:trojan-activity; sid:2036291; 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;)