Disabled IE Security Features


Description

Detects command lines that indicate unwanted modifications to registry keys that disable important Internet Explorer security features

Query · sigma

selection1:
  CommandLine|contains|all:
  - ' -name IEHarden '
  - ' -value 0 '
selection2:
  CommandLine|contains|all:
  - ' -name DEPOff '
  - ' -value 1 '
selection3:
  CommandLine|contains|all:
  - ' -name DisableFirstRunCustomize '
  - ' -value 2 '
condition: 1 of selection*

Known false positives

  • Unknown
Raw source Disabled IE Security Features · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Disabled IE Security Features
id: fb50eb7a-5ab1-43ae-bcc9-091818cb8424
status: test
description: Detects command lines that indicate unwanted modifications to registry keys that disable important Internet Explorer security features
references:
    - https://unit42.paloaltonetworks.com/operation-ke3chang-resurfaces-with-new-tidepool-malware/
author: Florian Roth (Nextron Systems)
date: 2020-06-19
modified: 2021-11-27
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: process_creation
    product: windows
detection:
    selection1:
        CommandLine|contains|all:
            - ' -name IEHarden '
            - ' -value 0 '
    selection2:
        CommandLine|contains|all:
            - ' -name DEPOff '
            - ' -value 1 '
    selection3:
        CommandLine|contains|all:
            - ' -name DisableFirstRunCustomize '
            - ' -value 2 '
    condition: 1 of selection*
falsepositives:
    - Unknown
level: high

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