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NTDS or SAM Database File Copied
editNTDS or SAM Database File Copied
editIdentifies a copy operation of the Active Directory Domain Database (ntds.dit) or Security Account Manager (SAM) files. Those files contain sensitive information including hashed domain and/or local credentials.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 33
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Credential Access
Version: 8
Rule authors:
- Elastic
- Austin Songer
Rule license: Elastic License v2
Investigation guide
editRule query
editprocess where event.type in ("start", "process_started") and
(
(process.pe.original_file_name in ("Cmd.Exe", "PowerShell.EXE", "XCOPY.EXE") and
process.args : ("copy", "xcopy", "Copy-Item", "move", "cp", "mv")
) or
(process.pe.original_file_name : "esentutl.exe" and process.args : ("*/y*", "*/vss*", "*/d*"))
) and
process.args : ("*\\ntds.dit", "*\\config\\SAM", "\\*\\GLOBALROOT\\Device\\HarddiskVolumeShadowCopy*\\*", "*/system32/config/SAM*")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: OS Credential Dumping
- ID: T1003
- Reference URL: https://attack.mitre.org/techniques/T1003/
-
Sub-technique:
- Name: Security Account Manager
- ID: T1003.002
- Reference URL: https://attack.mitre.org/techniques/T1003/002/