alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ZenRAT Tasking CnC Response M2"; flow:established,to_client; flowbits:isset,ET.ZenRATTasking; dsize:9; content:"|04 09 00 00 00 00 00 00 00|"; reference:md5,6f809b1c82d9fb6cd277c6b645ecaf84; classtype:trojan-activity; sid:2047765; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_08_25, deployment Perimeter, malware_family ZenRAT, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_14; target:dest_ip;)