1200KM / sigma-rule

UAC Bypass Using Iscsicpl - ImageLoad — Sigma Rule

Sigma rule 9ed5959a-c43c-4c59-84e3-d28628429456. UAC Bypass Using Iscsicpl - ImageLoad — Sigma Rule. 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%

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: high. Source dates: 2022-07-17 / 2022-07-25.

{
  "product": "windows",
  "category": "image_load"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 7b14637bb611b7c6fd02409be3b7c3071135be73ea0e9d379259928f2e62657c

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

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

Original YAML and metadata in JSON

False positives

Unknown

Source references

Connected ecosystem references

Exact source-tagged techniques

T1548.002 · Bypass User Account Control · Detection rules & anomalies

Telemetry review

Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.

Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.