alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE Win32/NetDooka Framework RAT Sending Session ID"; flow:established,to_server; dsize:12; content:"|e8 03 00 00 00 00 00 00 10 00 00 00|"; startswith; fast_pattern; flowbits:set,ET.Netbooka.SessionIDSent; reference:url,www.trendmicro.com/en_us/research/22/e/netdooka-framework-distributed-via-privateloader-ppi.html; reference:md5,e13d4a4b5eaef60643ce56013fe94344; classtype:trojan-activity; sid:2036613; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_18, deployment Perimeter, malware_family NetDooka, performance_impact Low, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_29, reviewed_at 2023_09_01;)