Potential Exploitation of CVE-2024-37085 - Suspicious Creation Of ESX Admins Group

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About the rule

Rule Type

Standard

Rule Description

Detects execution of the "net.exe" command in order to add a group named "ESX Admins". This could indicates a potential exploitation attempt of CVE-2024-37085, which allows an attacker to elevate their privileges to full administrative access on an domain-joined ESXi hypervisor. VMware ESXi hypervisors joined to an Active Directory domain consider any member of a domain group named "ESX Admins" to have full administrative access by default.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ((PROCESSNAME endswith "\net.exe,\net1.exe" OR ORIGINALFILENAME = "net.exe,net1.exe") AND (COMMANDLINE contains "/add" AND COMMANDLINE contains "/domain" AND COMMANDLINE contains "ESX Admins" AND COMMANDLINE contains "group")) OR ((PROCESSNAME endswith "\PowerShell.exe,\pwsh.exe" OR ORIGINALFILENAME = "PowerShell.exe,pwsh.dll") AND (COMMANDLINE contains "New-ADGroup" AND COMMANDLINE contains "ESX Admins")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113