Detection rules › Sigma
Transferring Files with Credential Data via Network Shares
Transferring files with well-known filenames (sensitive files with credential data) using network shares
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access | T1003.001 OS Credential Dumping: LSASS Memory, T1003.002 OS Credential Dumping: Security Account Manager, T1003.003 OS Credential Dumping: NTDS |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Security-Auditing | Event ID 5145 | A network share object was checked to see whether client can be granted desired access. |
Rule body yaml
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
Stages and Predicates
Stage 0: condition
all of selection_*Stage 1: selection_eid
selection_eid:
EventID: 5145
Stage 2: selection_object
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'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
RelativeTargetName | eq |
|
RelativeTargetName | match |
|