SID 1:63299

Report a false positive

Rule Category

MALWARE-OTHER --

Alert Message

MALWARE-OTHER MultiOS.Backdoor.UPSTYLE payload download

Rule Explanation

This rule looks for bytes known to be specific to a MultiOS.Backdoor.UPSTYLE payload. This backdoor has been observed being dropped in exploitation of CVE-2024-3400.

What To Look For

This rule fires on the dowloading of a file known to be a variant of a MultiOS.Backdoor.UPSTYLE payload.

Known Usage

Attacks/Scans seen in the wild

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2024-3400

Additional Links

security.paloaltonetworks.com/CVE-2024-3400
www.volexity.com/blog/2024/04/12/zero-day-exploitation-of-unauthenticated-remote-code-execution-vulnerability-in-globalprotect-cve-2024-3400

Rule Vulnerability

N/A

Not Applicable

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2024-3400
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