""ET USER_AGENTS WinRM User Agent Detected - Possible Lateral Movement""
SID: 2026850
Revision: 3
Class Type: bad-unknown
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, 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
Reference:
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
- Value: "|0d 0a|User-Agent|3a 20|Microsoft|20|WinRM|20|Client|0d 0a|"
Within:
PCRE:
Special Options: