alert tcp-pkt $EXTERNAL_NET 38242 -> $HOME_NET any (msg:"ET MALWARE GorillaBot CnC Magic-Byte Response (Bot Configuration)"; flow:established,to_client; flowbits:isset,ET.GorillaBot.Probe; flowbits:set,ET.GorillaBot.Config; dsize:4; reference:url,any.run/cybersecurity-blog/gorillabot-malware-analysis/; classtype:command-and-control; sid:2062887; rev:1; metadata:affected_product Linux, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_06_11, deployment Perimeter, malware_family Gorillabot, confidence Low, signature_severity Major, updated_at 2025_06_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1095, mitre_technique_name Non_Application_Layer_Protocol; target:dest_ip;)