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Detection rules › Sigma

Suspicious Execution of Systeminfo

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

Detects usage of the "systeminfo" command to retrieve information

MITRE ATT&CK coverage

TacticTechniques
DiscoveryT1082 System Information Discovery

Event coverage

ProviderEventTitle
SysmonEvent ID 1Process creation

Rule body yaml

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

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.

FieldKindValues
Imageends_with
  • \systeminfo.exe corpus 11 (sigma 11)
OriginalFileNameeq
  • sysinfo.exe corpus 2 (sigma 2)