Lazarus Group Brings APT Tactics to Ransomware

Targeted ransomware attacks are on the rise, usually perpetrated by financially motivated threat gangs, which often work in concert together. However, researchers said that a recent strain of ransomware, called VHD, can be linked to an unusual source: The Lazarus Group APT. According to researche...

Lazarus on the hunt for big game

We may only be six months in, but theres little doubt that 2020 will go down in history as a rather unpleasant year. In the field of cybersecurity, the collective hurt mostly crystallized around the increasing prevalence of targeted ransomware attacks. By investigating a number of these incidents...

Lazarus Group Surfaces with Advanced Malware Framework

The North Korea-linked APT known as Lazarus Group has debuted an advanced, multipurpose malware framework, called MATA, to target Windows, Linux and macOS operating systems. Kaspersky researchers uncovered a series of attacks utilizing MATA so-called because the malware authors themselves call...

Acquiring a VHD to Investigate

In a previous post we described some of the differences between on-premises/physical forensics and cyber investigations and those performed in the cloud, and how this can make cloud forensics challenging. That blog post described a method of creating and maintaining a VM image which can be...

Acquiring a VHD to Investigate

In a previous post we described some of the differences between on-premises/physical forensics and cyber investigations and those performed in the cloud, and how this can make cloud forensics challenging. That blog post described a method of creating and maintaining a VM image which can be...

Acquiring a VHD to Investigate

In a previous post we described some of the differences between on-premises/physical forensics and cyber investigations and those performed in the cloud, and how this can make cloud forensics challenging. That blog post described a method of creating and maintaining a VM image which can be...

Citrix Provisioning Console Error: 0x00000057 - Invalid Parameter

Citrix Provisioning does not support VHD based vDisks on 4K storage in any Citrix Provisioning product version. Microsoft's VHD file specification only supports a disk logical sector size of 512 bytes. A read/write access VHD on 4K disk will trigger read-modify-write emulation, which results in...

Backing Up Hyper-V Guest Cluster Based on VHD Set

Challenge VHD Set is a new shared Virtual Disk model for guest clusters in Windows Server 2016 and later. VHD Set files can be included in application-consistent checkpoints and backed up, but there are some limitations. Cause Please make sure the following requirements are met: Each guest VM...

Update Rollup 13 for System Center 2012 R2 Virtual Machine Manager

Update Rollup 13 for System Center 2012 R2 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 13 for Microsoft System Center 2012 R2 Virtual Machine Manager. There are two updates available for Virtual Machine Manager, one for the Virtual Machin...

Update Rollup 4 for System Center 2012 R2 Virtual Machine Manager

Update Rollup 4 for System Center 2012 R2 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 4 for Microsoft System Center 2012 R2 Virtual Machine Manager VMM. There are two updates available for System Center 2012 R2 Virtual Machine Manager. On...

Update Rollup 3 for System Center 2012 R2 Virtual Machine Manager

Update Rollup 3 for System Center 2012 R2 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 3 for Microsoft System Center 2012 R2 Virtual Machine Manager. Two updates are available for System Center 2012 R2 Virtual Machine Manager. One update i...

Description of Update Rollup 2 for System Center 2012 R2 Service Provider Foundation

Description of Update Rollup 2 for System Center 2012 R2 Service Provider Foundation Summary This article describes the issues that are fixed in Update Rollup 2 for Microsoft System Center 2012 R2 Service Provider Foundation SPF. Additionally, this article contains the installation instructions f...

Microsoft Windows - VHDMP ZwDeleteFile Arbitrary File Deletion Privilege Escalation (MS16-138)

Microsoft Windows - VHDMP ZwDeleteFile Arbitrary File Deletion Privilege Escalation MS16-138 / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=915 Windows: VHDMP ZwDeleteFile Arbitrary File Deletion EoP Platform: Windows 10 10586 and 14393. No idea about 7 or 8.1 versions. Class...

CVE-2016-7226

Virtual Hard Disk Driver in Windows 10 Gold, 1511, and 1607 and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation of Privilege Vulnerability."...

CVE-2016-7226

Virtual Hard Disk Driver in Windows 10 Gold, 1511, and 1607 and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation of Privilege Vulnerability."...

CVE-2016-7225

Virtual Hard Disk Driver in Windows 10 Gold, 1511, and 1607 and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation of Privilege Vulnerability."...

CVE-2016-7223

Virtual Hard Disk Driver in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation...

CVE-2016-7223

Virtual Hard Disk Driver in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation...

Privilege escalation

Virtual Hard Disk Driver in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation...

CVE-2016-7225

Virtual Hard Disk Driver in Windows 10 Gold, 1511, and 1607 and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation of Privilege Vulnerability."...