HackTool - Empire PowerShell UAC Bypass

stablecritical
log source: windows · process_creationauthor Eccodate 2019-08-30
01

description

What this is, in brief.

Detects some Empire PowerShell UAC bypass methods

02

tags

attack.privilege-escalationattack.t1548.002car.2019-04-001
03

rule source (YAML)

title: HackTool - Empire PowerShell UAC Bypass
id: 3268b746-88d8-4cd3-bffc-30077d02c787
status: stable
description: Detects some Empire PowerShell UAC bypass methods
references:
    - https://github.com/EmpireProject/Empire/blob/e37fb2eef8ff8f5a0a689f1589f424906fe13055/data/module_source/privesc/Invoke-EventVwrBypass.ps1#L64
    - https://github.com/EmpireProject/Empire/blob/e37fb2eef8ff8f5a0a689f1589f424906fe13055/data/module_source/privesc/Invoke-FodHelperBypass.ps1#L64
author: Ecco
date: 2019-08-30
modified: 2023-02-21
tags:
    - attack.privilege-escalation
    - attack.t1548.002
    - car.2019-04-001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains:
            - ' -NoP -NonI -w Hidden -c $x=$((gp HKCU:Software\Microsoft\Windows Update).Update)'
            - ' -NoP -NonI -c $x=$((gp HKCU:Software\Microsoft\Windows Update).Update);'
    condition: selection
falsepositives:
    - Unknown
level: critical
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.