Detection rules › Sigma
Writing Local Admin Share
Aversaries may use to interact with a remote network share using Server Message Block (SMB). This technique is used by post-exploitation frameworks.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1546.002 Event Triggered Execution: Screensaver |
| Privilege Escalation | T1546.002 Event Triggered Execution: Screensaver |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 11 | FileCreate |
Rule body yaml
title: Writing Local Admin Share
id: 4aafb0fa-bff5-4b9d-b99e-8093e659c65f
status: test
description: |
Aversaries may use to interact with a remote network share using Server Message Block (SMB).
This technique is used by post-exploitation frameworks.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1021.002/T1021.002.md#atomic-test-4---execute-command-writing-output-to-local-admin-share
author: frack113
date: 2022-01-01
modified: 2022-08-13
tags:
- attack.privilege-escalation
- attack.persistence
- attack.lateral-movement
- attack.t1546.002
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename|contains|all:
- '\\\\127.0.0'
- '\ADMIN$\'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
TargetFilename|contains|all:
- '\\\\127.0.0'
- '\ADMIN$\'
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 |
|---|---|---|
TargetFilename | match |
|