sigmahighHunting

UAC Bypass Using Iscsicpl - ImageLoad

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%

MITRE ATT&CK

T1548.002

defense-evasionprivilege-escalation

Detection Query

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

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-07-17

Data Sources

windowsImage Load Events

Platforms

windows

References

Tags

attack.defense-evasionattack.privilege-escalationattack.t1548.002

Raw Content

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.defense-evasion
    - 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