alert tcp-pkt $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Rust HackTool CnC Activity (Inbound)"; flow:established,to_client; dsize:<60; content:"|01 02 04 02 05 04|"; startswith; content:"|00 00|Welcome|20 3a 29|"; endswith; fast_pattern; reference:url,twitter.com/Gi7w0rm/status/1767161955733696771; reference:md5,08d0d02dde4e20b9d48c782f48de64ab; classtype:trojan-activity; sid:2051642; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_13, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_13;)