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Category: Windows Security

Commando VM: Introduction

Commando VM: Introduction

Windows Offensive VM from Mandiant FireEye What is Commando VM? Commando VM is a Windows testing platform, created by Mandiant FireEye, meant for penetration testers who are more comfortable with Windows as an operating system. Commando VM is essentially the sister to Kali, a Linux testing platform widely used throughout the penetration testing community. These testing platforms are packaged with all the common tools and scripts that a tester would need to utilize during an engagement. Commando VM can be…

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What is Unstructured Data?

What is Unstructured Data?

Data is what drives business, and businesses are generating and consuming more data all of the time. The explosion of collaboration tools and big data analytics has only accelerated the desire for more employees to share more data across the enterprise. So it’s no surprise to IT teams that we are being asked to retain more data, of all types, make it freely available to employees in different departments and with outside business partners and, oh yeah, secure it all,…

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WDigest Clear-Text Passwords: Stealing More Than a Hash

WDigest Clear-Text Passwords: Stealing More Than a Hash

What happens when a malicious user has access to more than just an NTLM hash? What is WDigest? Digest Authentication is a challenge/response protocol that was primarily used in Windows Server 2003 for LDAP and web-based authentication. It utilizes Hypertext Transfer Protocol (HTTP) and Simple Authentication Security Layer (SASL) exchanges to authenticate. At a high level, a client requests access to something, the authenticating server challenges the client, and the client responds to the challenge by encrypting its response with…

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RID Hijacking: When Guests Become Admins

RID Hijacking: When Guests Become Admins

Securing Windows workstations and servers should be a priority for any organization; preventing a machine from getting compromised and being used to move laterally within an environment is a major concern. What happens when a machine is already compromised? A persistence method called ‘RID Hijacking’ is a way for an attacker to persist within your environment by granting the Guest account, or another local account, local administrator privileges by ‘hijacking’ the RID (relative identifier) of the Administrator account. Creating persistence…

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