34 matches found
concealed_position
Concealed Position Concealed Position is a local privilege escalation attack against Windows using the concept of "Bring Your Own Vulnerability". Specifically, Concealed Position CP uses the as designed package point and print logic in Windows that allows a low privilege user to stage and install...
Silver Fox Targets Japanese Manufacturer with 3-Driver BYOVD Chain and ValleyRAT
The Chinese cybercrime group known as Silver Fox has been observed using new drivers as part of bring your own vulnerable driver BYOVD attacks targeting a Japanese organization in the industrial manufacturing sector to ultimately deliver ValleyRAT aka Winos 4.0 for persistent remote access. "In...
Xalgorix Autonomous AI Pentesting Agent 4.5.67
Most scanners detect. Xalgorix proves. An autonomous LLM agent works a full pentest methodology, then an independent verifier re-exploits every finding before it's reported - so you get proof, not a pile of maybes to triage. Self-hosted, private, and bring-your-own-LLM. Built in Go + TypeScript...
Vendor-signed UEFI applications found vulnerable to Secure Boot bypass
Overview Multiple vendor-signed UEFI applications are vulnerable to Secure Boot bypass via a "Bring Your Own Vulnerable Driver" BYOVD-style attack. If a target system trusts the affected vendor’s certificate, an attacker can exploit these applications to execute arbitrary code during the early...
Microsoft-signed UEFI shim bootloaders vulnerable to Secure Boot bypass
Overview Microsoft-signed UEFI bootloaders of the open-source shim project, primarily from version 0.9 and earlier, were identified as vulnerable to Secure Boot bypass. To mitigate this risk, the affected bootloaders will be added to the Microsoft UEFI Forbidden Signature Database DBX. Once the D...
Qilin and Warlock Ransomware Use Vulnerable Drivers to Disable 300+ EDR Tools
Threat actors associated with Qilin and Warlock ransomware operations have been observed using the bring your own vulnerable driver BYOVD technique to silence security tools running on compromised hosts, according to findings from Cisco Talos and Trend Micro. Qilin attacks analyzed by Talos have...
CVE-2025-14963
A vulnerability identified in the HX Agent driver file fekern.sys allowed a threat actor with local user access the ability to gain elevated system privileges. Utilization of a Bring Your Own Vulnerable Driver BYOVD was leveraged to gain access to the critical Windows process memory lsass.exe Loc...
PT-2026-21777
Name of the Vulnerable Software and Affected Versions Trellix HX Agent affected versions not specified Description A security issue exists in the Trellix HX Agent driver file fekern.sys that could allow a local user to gain elevated system privileges. Exploitation involved leveraging a Bring Your...
Exploit for CVE-2026-0828
💀 0xKern3lCrush-M4te-CVE-2026-0828 Windows BYOVD Research &...
EUVD-2022-15239
Malicious code in bioql PyPI...
EUVD-2025-4964
Malicious code in bioql PyPI...
VulnCheck KEV: CVE-2024-51324
An issue in the BdApiUtil driver of Baidu Antivirus v5.2.3.116083 allows attackers to terminate arbitrary process via executing a BYOVD Bring Your Own Vulnerable Driver attack...
[SECURITY] Fedora 42 Update: python-h11-0.14.0-7.fc42
This is a little HTTP/1.1 library written from scratch in Python, heavily inspired by hyper-h2. It is a "bring-your-own-I/O" library; h11 contains no IO code whatsoever. This means you can hook h11 up to your favorite network API, and that could be anything you want: synchronous, threaded,...
Hackers Repurpose RansomHub's EDRKillShifter in Medusa, BianLian, and Play Attacks
A new analysis has uncovered connections between affiliates of RansomHub and other ransomware groups like Medusa, BianLian, and Play. The connection stems from the use of a custom tool that's designed to disable endpoint detection and response EDR software on compromised hosts, according to ESET...
Paragon Software Hard Disk Manager product line contains five memory vulnerabilities within its BioNTdrv.sys driver that allow for privilege escalation and denial-of-service (DoS) attacks
Overview The Paragon Software Hard Disk Manager HDM product line contains a vulnerable driver titled BioNTdrv.sys. The driver, versions 10.1.X.Y and older, 1.0.0.0, 1.1.0.0, 1.3.0.0, 1.4.0.0, and 1.5.1.0, contain five vulnerabilities. These include arbitrary kernel memory mapping and write...
CVE-2024-51324
An issue in the BdApiUtil driver of Baidu Antivirus v5.2.3.116083 allows attackers to terminate arbitrary process via executing a BYOVD Bring Your Own Vulnerable Driver attack...
CVE-2024-51324
An issue in the BdApiUtil driver of Baidu Antivirus v5.2.3.116083 allows attackers to terminate arbitrary process via executing a BYOVD Bring Your Own Vulnerable Driver attack...
CVE-2024-51324
An issue in the BdApiUtil driver of Baidu Antivirus v5.2.3.116083 allows attackers to terminate arbitrary process via executing a BYOVD Bring Your Own Vulnerable Driver attack...
January 14, 2025—KB5050013 (OS Build 10240.20890) - EXPIRED
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Exploring vulnerable Windows drivers
This post is the result of research into the real-world application of the Bring Your Own Vulnerable Driver BYOVD technique along with Cisco Talos' series of posts about malicious Windows drivers. Some of this research was presented at the AVAR conference in Chennai at the beginning of December...