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Sigma detection rules

2 rules indexed · SIEM-agnostic detection content
Sigma is the open generic signature format for SIEM systems. Each rule below converts to native syntax for Splunk, Elastic, Sentinel, and other SIEMs. Expand any rule to see its raw YAML.

Detection rules

2 shown of 2
low
Fsutil Drive Enumeration
Attackers may leverage fsutil to enumerated connected drives.
status test author Christopher Peacock '@securepeacock', SCYTHE '@scythe_io' id 63de06b9-a385-40b5-8b32-73f2b9ef84b6
view Sigma YAML
title: Fsutil Drive Enumeration
id: 63de06b9-a385-40b5-8b32-73f2b9ef84b6
status: test
description: Attackers may leverage fsutil to enumerated connected drives.
references:
    - Turla has used fsutil fsinfo drives to list connected drives.
    - https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/discovery_peripheral_device.toml
author: Christopher Peacock '@securepeacock', SCYTHE '@scythe_io'
date: 2022-03-29
modified: 2022-07-14
tags:
    - attack.discovery
    - attack.t1120
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\fsutil.exe'
        - OriginalFileName: 'fsutil.exe'
    selection_cli:
        CommandLine|contains: 'drives'
    condition: all of selection_*
falsepositives:
    - Certain software or administrative tasks may trigger false positives.
level: low
low
Powershell Suspicious Win32_PnPEntity
Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system.
status test author frack113 id b26647de-4feb-4283-af6b-6117661283c5
view Sigma YAML
title: Powershell Suspicious Win32_PnPEntity
id: b26647de-4feb-4283-af6b-6117661283c5
status: test
description: Adversaries may attempt to gather information about attached peripheral devices and components connected to a computer system.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1120/T1120.md
author: frack113
date: 2021-08-23
modified: 2022-12-25
tags:
    - attack.discovery
    - attack.t1120
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains: Win32_PnPEntity
    condition: selection
falsepositives:
    - Admin script
level: low
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