← Back to SOC feed Coverage →

AntiVM checks for VirtualBox

yara LOW Yara-Rules
community
This rule was pulled from an open-source repository and enriched with AI. Validate in a test environment before deploying to production.
View original rule at Yara-Rules →
Retrieved: 2026-04-19T09:00:00Z · Confidence: medium

Hunt Hypothesis

The hypothesis is that an adversary is checking for the presence of a VirtualBox virtual machine to avoid detection within a virtual environment. A SOC team should proactively hunt for this behavior in Azure Sentinel to identify potential adversarial evasion tactics and uncover hidden malware execution contexts.

YARA Rule

rule antivm_virtualbox {
    meta:
        author = "x0r"
        description = "AntiVM checks for VirtualBox"
	version = "0.1"
    strings:
        $s1 = "VBoxService.exe" nocase
    condition:
        any of them
}

Deployment Notes

This YARA rule can be deployed in the following contexts:

This rule contains 1 string patterns in its detection logic.

False Positive Guidance

Original source: https://github.com/Yara-Rules/rules/blob/main/antidebug_antivm/antidebug_antivm.yar