Suspicious Execution of Systeminfo

Status: test
Severity: low
Log source: category process_creation, product windows
Author: frack113
Source: github.com/SigmaHQ/sigma

Detects usage of the "systeminfo" command to retrieve information

MITRE ATT&CK coverage

Tactic	Techniques
Discovery	`T1082` System Information Discovery

Telemetry coverage

Provider	Record / event type
Sysmon	Event ID 1: Process creation

Rule body

title: Suspicious Execution of Systeminfo
id: 0ef56343-059e-4cb6-adc1-4c3c967c5e46
status: test
description: Detects usage of the "systeminfo" command to retrieve information
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1082/T1082.md#atomic-test-1---system-information-discovery
    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/systeminfo
author: frack113
date: 2022-01-01
modified: 2022-07-14
tags:
    - attack.discovery
    - attack.t1082
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\systeminfo.exe'
        - OriginalFileName: 'sysinfo.exe'
    condition: selection
falsepositives:
    - Unknown
level: low

Stages and Predicates

Stage 0: `condition`

selection

Stage 1: `selection`

selection:
    - Image|endswith: '\systeminfo.exe'
    - OriginalFileName: 'sysinfo.exe'

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`Image`	ends_with	`\systeminfo.exe` corpus 11 (sigma 11)	`field:"Image" kind:ends_with value:"\systeminfo.exe"`
`OriginalFileName`	eq	`sysinfo.exe` corpus 2 (sigma 2)	`field:"OriginalFileName" kind:eq value:"sysinfo.exe"`

Suspicious Execution of Systeminfo

MITRE ATT&CK coverage

Telemetry coverage

Rule body

Stages and Predicates

Stage 0: condition

Stage 1: selection

Indicators

Stage 0: `condition`

Stage 1: `selection`