title: Metasploit SMB Authentication author: Chakib Gzenayi (@Chak092), Hosni Mribah date: 2020/05/06 description: Alerts on Metasploit host's authentications on the domain. detection: SELECTION_1: EventID: 4625 SELECTION_2: EventID: 4624 SELECTION_3: LogonType: 3 SELECTION_4: AuthenticationPackageName: NTLM SELECTION_5: WorkstationName|re: ^[A-Za-z0-9]{16}$ SELECTION_6: ProcessName|re: ^$ SELECTION_7: EventID: 4776 SELECTION_8: Workstation|re: ^[A-Za-z0-9]{16}$ condition: (((SELECTION_1 or SELECTION_2) and SELECTION_3 and SELECTION_4 and SELECTION_5) or (SELECTION_6 and SELECTION_7 and SELECTION_8)) falsepositives: - Linux hostnames composed of 16 characters. id: 72124974-a68b-4366-b990-d30e0b2a190d level: high logsource: product: windows service: security modified: 2021/07/07 references: - https://github.com/rapid7/metasploit-framework/blob/master/lib/rex/proto/smb/client.rb tags: - attack.lateral_movement - attack.t1077 - attack.t1021.002 yml_filename: win_metasploit_authentication.yml yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/builtin