alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/ProcessKiller CnC Initialization M2"; flow:established,to_server; dsize:3; content:"|36 34 00|"; fast_pattern; stream_size:client, =, 4; reference:md5,50ebb1dbea9bf98e789af1431e5bc4a6; classtype:trojan-activity; sid:2053749; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2024_06_20, deployment Perimeter, malware_family ProcessKiller, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_06_20; target:src_ip;)