Application Removed Via Wmic.EXE

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

Detects the removal or uninstallation of an application via "Wmic.EXE".

MITRE ATT&CK coverage

Tactic	Techniques
Execution	`T1047` Windows Management Instrumentation

Telemetry coverage

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

Rule body

title: Application Removed Via Wmic.EXE
id: b53317a0-8acf-4fd1-8de8-a5401e776b96
related:
    - id: 847d5ff3-8a31-4737-a970-aeae8fe21765 # Uninstall Security Products
      type: derived
status: test
description: Detects the removal or uninstallation of an application via "Wmic.EXE".
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1047/T1047.md#atomic-test-10---application-uninstall-using-wmic
author: frack113
date: 2022-01-28
modified: 2024-07-02
tags:
    - attack.execution
    - attack.t1047
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\WMIC.exe'
        - OriginalFileName: 'wmic.exe'
    selection_cli:
        CommandLine|contains|all:
            - 'call'
            - 'uninstall'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium
simulation:
    - type: atomic-red-team
      name: Application uninstall using WMIC
      technique: T1047
      atomic_guid: c510d25b-1667-467d-8331-a56d3e9bc4ff
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_wmic_uninstall_application/info.yml

Stages and Predicates

Stage 0: `condition`

all of selection_*

Stage 1: `selection_img`

selection_img:
    - Image|endswith: '\WMIC.exe'
    - OriginalFileName: 'wmic.exe'

Stage 2: `selection_cli`

selection_cli:
    CommandLine|contains|all:
        - 'call'
        - 'uninstall'

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`CommandLine`	match	`call` corpus 8 (sigma 6, splunk 2) `uninstall` corpus 2 (sigma 2)	`field:"CommandLine" kind:match`
`Image`	ends_with	`\WMIC.exe` corpus 62 (sigma 62)	`field:"Image" kind:ends_with value:"\WMIC.exe"`
`OriginalFileName`	eq	`wmic.exe` corpus 80 (sigma 38, elastic 24, splunk 18)	`field:"OriginalFileName" kind:eq value:"wmic.exe"`

Application Removed Via Wmic.EXE

MITRE ATT&CK coverage

Telemetry coverage

Rule body

Stages and Predicates

Stage 0: condition

Stage 1: selection_img

Stage 2: selection_cli

Indicators

Stage 0: `condition`

Stage 1: `selection_img`

Stage 2: `selection_cli`