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Potential CVE-2022-22954 Exploitation Attempt - VMware Workspace ONE Access Remote Code Execution
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Potential CVE-2022-22954 Exploitation Attempt - VMware Workspace ONE Access Remote Code Execution
Using Splunk · Default · pySigma 1.3.3
Translation controls
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title: Potential CVE-2022-22954 Exploitation Attempt - VMware Workspace ONE Access Remote Code Execution
id: 5660d8db-6e25-411f-b92f-094420168a5d
status: test
description: |
Detects potential exploitation attempt of CVE-2022-22954, a remote code execution vulnerability in VMware Workspace ONE Access and Identity Manager.
As reported by Morphisec, part of the attack chain, threat actors used PowerShell commands that executed as a child processes of the legitimate Tomcat "prunsrv.exe" process application.
references:
- https://blog.morphisec.com/vmware-identity-manager-attack-backdoor
- https://github.com/DrorDvash/CVE-2022-22954_VMware_PoC
author: '@kostastsale'
date: 2022-04-25
tags:
- attack.execution
- attack.initial-access
- attack.t1059.006
- attack.t1190
- cve.2022-22954
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection_parent:
ParentImage|endswith: '\prunsrv.exe'
selection_payload_pwsh:
Image|endswith: '\powershell.exe'
selection_payload_cmd:
Image|endswith: '\cmd.exe'
CommandLine|contains: '/c powershell'
condition: selection_parent and 1 of selection_payload_*
falsepositives:
- Some false positives are possible as part of a custom script implementation from admins executed with cmd.exe as the child process.
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2022/Exploits/CVE-2022-22954/proc_creation_win_exploit_cve_2022_22954_vmware_workspace_one_rce.yml