Suspicious Tasklist Discovery Command


Description

Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software/applications running on systems within the network

Query · sigma

selection:
- CommandLine|contains: tasklist
- Image|endswith: \tasklist.exe
- OriginalFileName: tasklist.exe
condition: selection

Known false positives

  • Likely from users, administrator and different internal and third party applications.
Raw source Suspicious Tasklist Discovery Command · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Suspicious Tasklist Discovery Command
id: 63332011-f057-496c-ad8d-d2b6afb27f96
status: test
description: Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software/applications running on systems within the network
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1057/T1057.md#atomic-test-2---process-discovery---tasklist
author: frack113
date: 2021-12-11
modified: 2022-12-25
tags:
    - attack.discovery
    - attack.t1057
    - detection.threat-hunting
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - CommandLine|contains: 'tasklist'
        - Image|endswith: '\tasklist.exe'
        - OriginalFileName: 'tasklist.exe'
    condition: selection
falsepositives:
    - Likely from users, administrator and different internal and third party applications.
level: informational

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