Rule History

alert http any any -> $HOME_NET any (msg:"ET USER_AGENTS WinRM User Agent Detected - Possible Lateral Movement"; flow:established,to_server; http.user_agent; content:"Microsoft|20|WinRM|20|Client"; depth:22; fast_pattern; endswith; reference:url,attack.mitre.org/techniques/T1028/; classtype:bad-unknown; sid:2026850; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_01_23, deployment Internal, performance_impact Low, confidence Medium, signature_severity Minor, tag WinRM, updated_at 2023_04_14, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1021, mitre_technique_name Remote_Services;)