Transferring Files with Credential Data via Network Shares


Description

Transferring files with well-known filenames (sensitive files with credential data) using network shares

Query · sigma

selection_eid:
  EventID: 5145
selection_object:
- RelativeTargetName|contains:
  - \mimidrv
  - \lsass
  - \windows\minidump\
  - \hiberfil
  - \sqldmpr
- RelativeTargetName:
  - Windows\NTDS\ntds.dit
  - Windows\System32\config\SAM
  - Windows\System32\config\SECURITY
  - Windows\System32\config\SYSTEM
condition: all of selection_*

Known false positives

  • Transferring sensitive files for legitimate administration work by legitimate administrator
Raw source Transferring Files with Credential Data via Network Shares · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Transferring Files with Credential Data via Network Shares
id: 910ab938-668b-401b-b08c-b596e80fdca5
related:
    - id: 2e69f167-47b5-4ae7-a390-47764529eff5
      type: similar
status: test
description: Transferring files with well-known filenames (sensitive files with credential data) using network shares
references:
    - https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment
author: Teymur Kheirkhabarov, oscd.community
date: 2019-10-22
modified: 2025-07-11
tags:
    - attack.credential-access
    - attack.t1003.002
    - attack.t1003.001
    - attack.t1003.003
logsource:
    product: windows
    service: security
detection:
    selection_eid:
        EventID: 5145
    selection_object:
        - RelativeTargetName|contains:
              - '\mimidrv'
              - '\lsass'
              - '\windows\minidump\'
              - '\hiberfil'
              - '\sqldmpr'
        - RelativeTargetName:
              - 'Windows\NTDS\ntds.dit'
              - 'Windows\System32\config\SAM'
              - 'Windows\System32\config\SECURITY'
              - 'Windows\System32\config\SYSTEM'
    condition: all of selection_*
falsepositives:
    - Transferring sensitive files for legitimate administration work by legitimate administrator
level: medium

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