EulerOS 2.0 SP8 : samba (EulerOS-SA-2020-1882)

According to the version of the samba packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory...

SharpHose - Asynchronous Password Spraying Tool In C# For Windows Environments

SharpHose is a C password spraying tool designed to be fast, safe, and usable over Cobalt Strike's execute-assembly. It provides a flexible way to interact with Active Directory using domain-joined and non-joined contexts, while also being able to target specific domains and domain controllers...

Stopping Active Directory attacks and other post-exploitation behavior with AMSI and machine learning

When attackers successfully breach a target network, their typical next step is to perform reconnaissance of the network, elevate their privileges, and move laterally to reach specific machines or spread as widely as possible. For these activities, attackers often probe the affected network’s...

Local Administrator Password Solution (LAPS) 導入ガイド (日本語版)

Active Directory 管理者のみなさん、Local Administrator Password Solution LAPS ツールはご存じですか? LAPS ツールは、Active Directory AD に参加して...

The vulnerability of the LDAP server of the Samba networking software, which is configured as an Active Directory domain controller, allows a hacker to cause a service failure.

The vulnerability of the LDAP server of the Samba networking software, which is configured as an Active Directory domain controller, relates to a buffer overflow vulnerability. Exploiting this vulnerability allows a malicious actor to cause service interruptions...

How do I implement a Zero Trust security model for my Microsoft remote workforce?

Digital empathy should guide your Zero Trust implementation Zero Trust has always been key to maintaining business continuity. And now, it’s become even more important during the COVID-19 pandemic to helping enable the largest remote workforce in history. While organizations are empowering people...

PurpleSharp - C# Adversary Simulation Tool That Executes Adversary Techniques With The Purpose Of Generating Attack Telemetry In Monitored Windows Environments

Defending enterprise networks against attackers continues to present a difficult challenge for blue teams. Prevention has fallen short; improving detection & response capabilities has proven to be a step in the right direction. However, without the telemetry produced by adversary behavior, buildi...

CVE-2020-1472 aka Zerologon

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol MS-NRPC. An attacker who successfully exploited the vulnerability could run a specially crafted application on a...

PowerSharpPack - Many usefull offensive CSharp Projects wraped into Powershell for easy usage

Many usefull offensive CSharp Projects wraped into Powershell for easy usage. Why? In my personal opinion offensive Powershell is not dead because of AMSI, Script-block-logging, Constrained Language Mode or other protection features. Any of these mechanisms can be bypassed. Since most new...

Active Directory Federation Server Denial of Service Vulnerability

This CVE was issued by the MITRE CVE Numbering Athority. Microsoft is providing its CVSS assessment based on the analysis that we did on the vulnerability at the time that it was reported to us...

USN-4454-2 samba vulnerability

USN-4454-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT...

USN-4454-1 samba vulnerability

Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT server. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service...

PT-2020-3920 · Microsoft · Active Directory Integrated Dns +1

Name of the Vulnerable Software and Affected Versions: Microsoft Windows Active Directory integrated DNS ADIDNS affected versions not specified Description: An information disclosure issue exists due to the mishandling of objects in memory by Active Directory integrated DNS ADIDNS. This could all...

PT-2020-3917 · Microsoft · Windows Active Directory Integrated Dns +1

Name of the Vulnerable Software and Affected Versions: Windows Active Directory integrated DNS ADIDNS affected versions not specified Description: A remote code execution issue exists due to Active Directory integrated DNS ADIDNS mishandling objects in memory. An authenticated attacker could...

Dictionary Attacks

samba is vulnerable to dictionary attacks. The vulnerability exists in the way it handles a user password change or a new password for a samba user. The Samba Active Directory Domain Controller can be configured to use a custom script to check for password complexity. This configuration can fail ...

Denial Of Service (DoS)

samba is vulnerable to denial of service. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an attacker is able to cause a stack overflow leading to an application crash...

CVE-2020-13793

Unsafe storage of AD credentials in Ivanti DSM netinst 5.1 due to a static, hard-coded encryption key...

Building a lab with Server 2019 Server Core and PowerShell …then attacking it!

A lot of people want to get into red teaming but dont know how. Our Andy Gill / @ZephrFish has written about that. One of the most important skills a red teamer needs to have is a plan to fail mentality. By planning to fail you can plan for all eventualities. This is a very common military tactic...

Extract and Use Custom Attributes from Active Directory for NetScaler Appliance

Although Active Directory AD username and realm/domain attributes are often sufficient for identifying a user, at times you need even more details of the user. For example, "UserPrincipalName" that contains the user’s domain might represent a forest level realm and not the organization to which t...

samba: NULL pointer de-reference and use-after-free in Samba AD DC LDAP Server with ASQ, VLV and paged_results

A NULL pointer dereference, or possible use-after-free flaw was found in the Samba AD LDAP server. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to...