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Detection rules › Sigma

Disable Exploit Guard Network Protection on Windows Defender

Status
test
Severity
medium
Log source
category registry_set, product windows
Author
Austin Songer @austinsonger
Source
github.com/SigmaHQ/sigma

Detects disabling Windows Defender Exploit Guard Network Protection

MITRE ATT&CK coverage

TacticTechniques
Defense Impairment

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 13: RegistryEvent (Value Set)

Rule body

title: Disable Exploit Guard Network Protection on Windows Defender
id: bf9e1387-b040-4393-9851-1598f8ecfae9
status: test
description: Detects disabling Windows Defender Exploit Guard Network Protection
references:
    - https://www.tenforums.com/tutorials/105533-enable-disable-windows-defender-exploit-protection-settings.html
author: Austin Songer @austinsonger
date: 2021-08-04
modified: 2023-08-17
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|contains: 'SOFTWARE\Policies\Microsoft\Windows Defender Security Center\App and Browser protection\DisallowExploitProtectionOverride'
        Details: 'DWORD (00000001)'
    condition: selection
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetObject|contains: 'SOFTWARE\Policies\Microsoft\Windows Defender Security Center\App and Browser protection\DisallowExploitProtectionOverride'
    Details: 'DWORD (00000001)'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
Detailseq
  • DWORD (00000001)
field:"Details" kind:eq value:"DWORD (00000001)"
TargetObjectmatch
  • SOFTWARE\Policies\Microsoft\Windows Defender Security Center\App and Browser protection\DisallowExploitProtectionOverride
field:"TargetObject" kind:match value:"SOFTWARE\Policies\Microsoft\Windows Defender Security Center\App and Browser protection\DisallowExploitProtectionOverride"