PUA - RunXCmd Execution

testhigh
log source: windows · process_creationauthor Florian Roth (Nextron Systems)date 2022-01-24
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description

What this is, in brief.

Detects the use of the RunXCmd tool to execute commands with System or TrustedInstaller accounts

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tags

attack.executionattack.t1569.002attack.s0029
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rule source (YAML)

title: PUA - RunXCmd Execution
id: 93199800-b52a-4dec-b762-75212c196542
status: test
description: Detects the use of the RunXCmd tool to execute commands with System or TrustedInstaller accounts
references:
    - https://www.d7xtech.com/free-software/runx/
    - https://www.winhelponline.com/blog/run-program-as-system-localsystem-account-windows/
author: Florian Roth (Nextron Systems)
date: 2022-01-24
modified: 2023-02-14
tags:
    - attack.execution
    - attack.t1569.002
    - attack.s0029
logsource:
    category: process_creation
    product: windows
detection:
    selection_account:
        CommandLine|contains:
            - ' /account=system '
            - ' /account=ti '
    selection_exec:
        CommandLine|contains: '/exec='
    condition: all of selection_*
falsepositives:
    - Legitimate use by administrators
level: high
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detects techniques (1)

ATT&CK techniques this enables or maps to.

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software named (1)

Malware and tools associated with this.

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references

External citations — patches, advisories, analysis.