UAC Bypass Using Iscsicpl - ImageLoad


Description

Detects the "iscsicpl.exe" UAC bypass technique that leverages a DLL Search Order hijacking technique to load a custom DLL's from temp or a any user controlled location in the users %PATH%

Query · sigma

selection:
  Image: C:\Windows\SysWOW64\iscsicpl.exe
  ImageLoaded|endswith: \iscsiexe.dll
filter:
  ImageLoaded|contains|all:
  - C:\Windows\
  - iscsiexe.dll
condition: selection and not filter

Known false positives

  • Unknown
Raw source UAC Bypass Using Iscsicpl - ImageLoad · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: UAC Bypass Using Iscsicpl - ImageLoad
id: 9ed5959a-c43c-4c59-84e3-d28628429456
status: test
description: Detects the "iscsicpl.exe" UAC bypass technique that leverages a DLL Search Order hijacking technique to load a custom DLL's from temp or a any user controlled location in the users %PATH%
references:
    - https://github.com/hackerhouse-opensource/iscsicpl_bypassUAC
    - https://twitter.com/wdormann/status/1547583317410607110
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-17
modified: 2022-07-25
tags:
    - attack.privilege-escalation
    - attack.t1548.002
logsource:
    product: windows
    category: image_load
detection:
    selection:
        Image: C:\Windows\SysWOW64\iscsicpl.exe
        ImageLoaded|endswith: '\iscsiexe.dll'
    filter:
        ImageLoaded|contains|all:
            - 'C:\Windows\'
            - 'iscsiexe.dll'
    condition: selection and not filter
falsepositives:
    - Unknown
level: high

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