Detection rules › Sigma

Application Removed Via Wmic.EXE

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

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

MITRE ATT&CK coverage

Event coverage

ProviderEventTitle
SysmonEvent ID 1Process creation

Rule body yaml

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

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

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
CommandLinematch
  • call corpus 8 (sigma 6, splunk 2)
  • uninstall corpus 2 (sigma 2)
Imageends_with
  • \WMIC.exe corpus 60 (sigma 60)
OriginalFileNameeq
  • wmic.exe corpus 61 (sigma 36, splunk 18, elastic 7)