Detection rules › Sigma
Changing Existing Service ImagePath Value Via Reg.EXE
Adversaries may execute their own malicious payloads by hijacking the Registry entries used by services. Adversaries may use flaws in the permissions for registry to redirect from the originally specified executable to one that they control, in order to launch their own code at Service start. Windows stores local service configuration information in the Registry under HKLM\SYSTEM\CurrentControlSet\Services
MITRE ATT&CK coverage
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: Changing Existing Service ImagePath Value Via Reg.EXE
id: 9b0b7ac3-6223-47aa-a3fd-e8f211e637db
status: test
description: |
Adversaries may execute their own malicious payloads by hijacking the Registry entries used by services.
Adversaries may use flaws in the permissions for registry to redirect from the originally specified executable to one that they control, in order to launch their own code at Service start.
Windows stores local service configuration information in the Registry under HKLM\SYSTEM\CurrentControlSet\Services
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1574.011/T1574.011.md#atomic-test-2---service-imagepath-change-with-regexe
author: frack113
date: 2021-12-30
modified: 2024-03-13
tags:
- attack.privilege-escalation
- attack.persistence
- attack.execution
- attack.stealth
- attack.t1574.011
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\reg.exe'
CommandLine|contains|all:
- 'add '
- 'SYSTEM\CurrentControlSet\Services\'
- ' ImagePath '
selection_value:
CommandLine|contains|windash: ' -d '
condition: all of selection*
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
all of selection*Stage 1: selection
selection:
Image|endswith: '\reg.exe'
CommandLine|contains|all:
- 'add '
- 'SYSTEM\CurrentControlSet\Services\'
- ' ImagePath '
Stage 2: selection_value
selection_value:
CommandLine|contains|windash: ' -d '
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 |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|