Detection rules › Sigma
Transferring Files with Credential Data via Network Shares - Zeek
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 |
Rule body yaml
title: Transferring Files with Credential Data via Network Shares - Zeek
id: 2e69f167-47b5-4ae7-a390-47764529eff5
related:
- id: 910ab938-668b-401b-b08c-b596e80fdca5
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: '@neu5ron, Teymur Kheirkhabarov, oscd.community'
date: 2020-04-02
modified: 2021-11-27
tags:
- attack.credential-access
- attack.t1003.002
- attack.t1003.001
- attack.t1003.003
logsource:
product: zeek
service: smb_files
detection:
selection:
name:
- '\mimidrv'
- '\lsass'
- '\windows\minidump\'
- '\hiberfil'
- '\sqldmpr'
- '\sam'
- '\ntds.dit'
- '\security'
condition: selection
falsepositives:
- Transferring sensitive files for legitimate administration work by legitimate administrator
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
name:
- '\mimidrv'
- '\lsass'
- '\windows\minidump\'
- '\hiberfil'
- '\sqldmpr'
- '\sam'
- '\ntds.dit'
- '\security'
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 |
|---|---|---|
name | eq |
|