alert tcp-pkt $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET MALWARE SVCStealer CnC Checkin Confirmation"; flow:established,to_client; dsize:12; content:"UID_RECEIVED"; reference:url,x.com/naumovax/status/1932001327455797326; reference:md5,804abee66ca7c07365c191a87532e137; reference:md5,91e9d8beed1cd93b5d4845bbbcda70df; classtype:command-and-control; sid:2062830; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_06_09, deployment Perimeter, confidence High, signature_severity Critical, tag c2, updated_at 2025_06_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel; target:dest_ip;)