Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE Godlua Backdoor Stage-3 Client Heartbeat (Jul 2020- Jan 2021) (set)"; flow:established,to_server; flowbits:set,ET.Godlua.heartbeat; flowbits:noalert; dsize:7; content:"|02 00 04 5f|"; depth:4; fast_pattern; reference:url,blog.netlab.360.com/an-analysis-of-godlua-backdoor-en/; classtype:trojan-activity; sid:2027674; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_Endpoint, created_at 2019_07_03, deployment Perimeter, malware_family Godlua, performance_impact Moderate, confidence High, signature_severity Major, tag Backdoor, updated_at 2019_07_26;)