File Download And Execution Via IEExec.EXE

Description

Detects execution of the IEExec utility to download and execute files

Query · sigma

selection_img:
- Image|endswith: \IEExec.exe
- OriginalFileName: IEExec.exe
selection_cli:
  CommandLine|contains:
  - http://
  - https://
condition: all of selection_*

Known false positives

  • Unknown
Raw source File Download And Execution Via IEExec.EXE · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: File Download And Execution Via IEExec.EXE
id: 9801abb8-e297-4dbf-9fbd-57dde0e830ad
status: test
description: Detects execution of the IEExec utility to download and execute files
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Ieexec/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-05-16
modified: 2023-11-09
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\IEExec.exe'
        - OriginalFileName: 'IEExec.exe'
    selection_cli:
        CommandLine|contains:
            - 'http://'
            - 'https://'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

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