CVE-2021-44077 POC Default Dropped File

Description

Detects the creation of "msiexec.exe" in the "bin" directory of the ManageEngine SupportCenter Plus (Related to CVE-2021-44077) and public POC available (See references section)

Query · sigma

selection:
  TargetFilename|endswith: \ManageEngine\SupportCenterPlus\bin\msiexec.exe
condition: selection

Known false positives

  • Unlikely
Raw source CVE-2021-44077 POC Default Dropped File · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: CVE-2021-44077 POC Default Dropped File
id: 7b501acf-fa98-4272-aa39-194f82edc8a3
status: test
description: Detects the creation of "msiexec.exe" in the "bin" directory of the ManageEngine SupportCenter Plus (Related to CVE-2021-44077) and public POC available (See references section)
references:
    - https://thedfirreport.com/2022/06/06/will-the-real-msiexec-please-stand-up-exploit-leads-to-data-exfiltration/
    - https://github.com/horizon3ai/CVE-2021-44077/blob/b7a48e25824e8ead95e028475c7fd0e107e6e6bf/exploit.py
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-06-06
tags:
    - attack.execution
    - cve.2021-44077
    - detection.emerging-threats
logsource:
    category: file_event
    product: windows
detection:
    selection:
        TargetFilename|endswith: '\ManageEngine\SupportCenterPlus\bin\msiexec.exe'
    condition: selection
falsepositives:
    - Unlikely
level: high

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