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VBOXv42MTE

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: 2026-09-18T23:00:01Z · Confidence: medium

Hunt Hypothesis

This hypothesis targets the presence of VBOXv42MTE, a YARA signature likely associated with specific malware families or exploit kits that may be used for initial access or lateral movement. Proactively hunting for this indicator in Azure Sentinel allows the SOC team to identify compromised endpoints or suspicious file artifacts before they progress to more advanced stages of the kill chain, such as command and control or data exfiltration.

YARA Rule

rule VBOXv42MTE
{
      meta:
		author="malware-lu"
strings:
		$a0 = { 8C E0 0B C5 8C E0 0B C4 03 C5 74 00 74 00 8B C5 }

condition:
		$a0 at pe.entry_point
}

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/packers/packer.yar