Detection rules › Sigma
Suspicious Tasklist Discovery Command
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
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery | T1057 Process Discovery |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
Rule body yaml
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
- CommandLine|contains: 'tasklist'
- Image|endswith: '\tasklist.exe'
- OriginalFileName: 'tasklist.exe'
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 |
|
OriginalFileName | eq |
|