Xenserver Storage: Comprehensive Guide

Introduction This article will assist you in resolving issues with unavailable VDI Virtual Disk Image. Overview of the Issue In different situations, XenServer experiences issues with starting VM’s , taking a snapshot or scan of SR’s and failing with error “VDI is not available ”. This article wi...

Importing an Existing vDisk in Provisioning Services Console Causes Error

When importing a vDisk using theProvisioning Services PVSServer Console, the error “Invalid disk file for . Cannot add disk” appears. The SoapServer.log displays the following text, if Info level logging is enabled: INFO Mapi.Command - Get UndefinedDisks: Disk is not valid, needs to be a base .vh...

Alternate Method to Reverse Image Provisioning Services vDisks (XenServer Direct VHD Boot)

This article describes an alternate method to Reverse Image Provisioning Services vDisks XenServer Direct VHD Boot. Note : Reverse imaging a Provisioning Services PVS vDisk is not the only way to get a vDisk back to your hypervisor for updates. This article explains the versatility associated wit...

N. Korea-linked Kimsuky Shifts to Compiled HTML Help Files in Ongoing Cyberattacks

The North Korea-linked threat actor known as Kimsuky aka Black Banshee, Emerald Sleet, or Springtail has been observed shifting its tactics, leveraging Compiled HTML Help CHM files as vectors to deliver malware for harvesting sensitive data. Kimsuky, active since at least 2012, is known to target...

The Updated APT Playbook: Tales from the Kimsuky threat actor group

Co-authors are Christiaan Beek and Raj Samani Within Rapid7 Labs we continually track and monitor threat groups. This is one of our key areas of focus as we work to ensure that our ability to protect customers remains constant. As part of this process, we routinely identify evolving tactics from...

PT-2024-20739 · Revoworks · Revoworks Scvx +1

Name of the Vulnerable Software and Affected Versions: RevoWorks SCVX versions prior to scvimage4.10.21 1013 RevoWorks Browser versions prior to 2.2.95 Description: A protection mechanism failure issue exists, potentially allowing malware to escape the sandboxed environment if data containing...

Difference between vhd and vhdx

What's the difference between vhd and vhdx?...

PT-2023-3163 · Microsoft · Windows Resilient File System +1

Name of the Vulnerable Software and Affected Versions: Windows Resilient File System ReFS affected versions not specified Description: The issue is related to insufficient input validation in the Windows Resilient File System ReFS, which can be exploited by setting up a specially crafted VHD file...

ChromeLoader Malware Targeting Gamers via Fake Nintendo and Steam Game Hacks

A new ChromeLoader malware campaign has been observed being distributed via virtual hard disk VHD files, marking a deviation from the ISO optical disc image format. "These VHD files are being distributed with filenames that make them appear like either hacks or cracks for Nintendo and Steam games...

Virtuozzo Hybrid Infrastructure 5.4 (5.4.0-133)

In this release, Virtuozzo Hybrid Infrastructure provides a range of new features that cover compute services, management node high availability, monitoring and alerts, and the user interface. Additionally, this release delivers stability improvements and addresses issues found in previous...

Evasion Techniques Uncovered: An Analysis of APT Methods

By Christiaan Beek, with special thanks to Matt Green DLL search order hijacking is a technique used by attackers to elevate privileges on the compromised system, evade restrictions, and/or establish persistence on the system. The Windows operating system uses a common method to look for required...

BlueNoroff introduces new methods bypassing MoTW

BlueNoroff group is a financially motivated threat actor eager to profit from its cyberattack capabilities. We have published technical details of how this notorious group steals cryptocurrency before. We continue to track the groups activities and this October we observed the adoption of new...

CVE-2022-41992

PowerISO 8.3 is affected by CVE-2022-41992 due to a memory corruption in the VHD File Format CXSPARSE record parsing. The vulnerability arises because the Num of blocks value from the CXSPARSE record is not validated, allowing an attacker to control the loop counter and trigger an out-of-bounds w...

CVE-2022-41992

A memory corruption vulnerability exists in the VHD File Format parsing CXSPARSE record functionality of PowerISO PowerISO 8.3. A specially-crafted file can lead to an out-of-bounds write. A victim needs to open a malicious file to trigger this vulnerability...

CVE-2022-41992

A memory corruption vulnerability exists in the VHD File Format parsing CXSPARSE record functionality of PowerISO PowerISO 8.3. A specially-crafted file can lead to an out-of-bounds write. A victim needs to open a malicious file to trigger this vulnerability...

CVE-2022-41992

A memory corruption vulnerability exists in the VHD File Format parsing CXSPARSE record functionality of PowerISO PowerISO 8.3. A specially-crafted file can lead to an out-of-bounds write. A victim needs to open a malicious file to trigger this vulnerability...

CVE-2022-41992

A memory corruption vulnerability exists in the VHD File Format parsing CXSPARSE record functionality of PowerISO PowerISO 8.3. A specially-crafted file can lead to an out-of-bounds write. A victim needs to open a malicious file to trigger this vulnerability...

Memory corruption

A memory corruption vulnerability exists in the VHD File Format parsing CXSPARSE record functionality of PowerISO PowerISO 8.3. A specially-crafted file can lead to an out-of-bounds write. A victim needs to open a malicious file to trigger this vulnerability...

Vulnerability Spotlight: Memory corruption vulnerability discovered in PowerISO

Piotr Bania of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered a memory corruption vulnerability in PowerISO. TALOS-2022-1644 CVE-2022-41992 is a memory corruption vulnerability that exists in the VHD File Format parsing functionality of PowerISO 8.3. A specially crafte...

PowerISO 缓冲区错误漏洞

PowerISO is a powerful CD/DVD/BD image file manipulation tool from PowerISO that can open, extract, burn, create, edit, compress, encrypt, split and convert ISO files, and mount ISO files using internal virtual drives. A buffer error vulnerability exists in PowerISO version 8.3, which stems from...