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Newest: 2.0.2

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Active Rule

Forfiles Command Execution

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Forfiles Command Execution

Using Splunk · Default · sigma-cli 2.0.2

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion2.0.2

title: Forfiles Command Execution
id: 9aa5106d-bce3-4b13-86df-3a20f1d5cf0b
related:
    - id: a85cf4e3-56ee-4e79-adeb-789f8fb209a8
      type: obsolete
    - id: fa47597e-90e9-41cd-ab72-c3b74cfb0d02
      type: obsolete
status: test
description: |
    Detects the execution of "forfiles" with the "/c" flag.
    While this is an expected behavior of the tool, it can be abused in order to proxy execution through it with any binary.
    Can be used to bypass application whitelisting.
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Forfiles/
    - https://pentestlab.blog/2020/07/06/indirect-command-execution/
author: Tim Rauch, Elastic, E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
date: 2022-06-14
modified: 2024-03-05
tags:
    - attack.execution
    - attack.t1059
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\forfiles.exe'
        - OriginalFileName: 'forfiles.exe'
    selection_cli:
        CommandLine|contains|windash: ' -c '
    condition: all of selection_*
falsepositives:
    - Legitimate use via a batch script or by an administrator.
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_forfiles_proxy_execution_.yml