Vectra and Microsoft join forces to step up detection and response

This blog post is part of the Microsoft Intelligent Security Association MISA guest blog series. Click here to learn more about MISA. Traditional security operations center SOC processes typically involve a wide variety of disparate event notification tools that force overworked analysts to battl...

Windows TCPIP Finger Command - C2 Channel and Bypassing Security Software

Title: Windows TCPIP Finger Command - C2 Channel and Bypassing Security Software Author: John Page aka hyp3rlinx Date: 2020-09-16 Website: hyp3rlinx.altervista.org Source: http://hyp3rlinx.altervista.org/advisories/WindowsTCPIPFingerCommandC2ChannelandBypassingSecuritySoftware.txt...

Microsoft Windows Finger Security Bypass / C2 Channel Exploit

Microsoft Windows TCPIP Finger Command finger.exe that ships with the OS, can be used as a file downloader and makeshift C2 channel. Legitimate use of Windows Finger Command is to send Finger Protocol queries to remote Finger daemons to retrieve user information. However, the finger client can al...

CVE-2020-0951

A security feature bypass vulnerability exists in Windows Defender Application Control WDAC which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC. To exploit the...

CVE-2020-0951

A security feature bypass vulnerability exists in Windows Defender Application Control WDAC which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC. To exploit the...

Security feature bypass

A security feature bypass vulnerability exists in Windows Defender Application Control WDAC which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC. To exploit the...

CVE-2020-0951 Windows Defender Application Control Security Feature Bypass Vulnerability

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CVE-2020-0951

The CVE-2020-0951 issue is a security feature bypass in Windows Defender Application Control (WDAC). The vulnerability could allow an attacker with local admin access to bypass WDAC enforcement and execute PowerShell commands that WDAC would normally block. Exploitation requires an administrator ...

Windows Defender Application Control Security Feature Bypass Vulnerability

A security feature bypass vulnerability exists in Windows Defender Application Control WDAC which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could execute PowerShell commands that would be blocked by WDAC. To exploit the...

PT-2020-3927 · Microsoft +1 · Windows Defender Application Control +3

Name of the Vulnerable Software and Affected Versions: Windows Defender Application Control WDAC affected versions not specified Description: A security feature bypass issue exists in Windows Defender Application Control WDAC, allowing an attacker to bypass WDAC enforcement and execute arbitrary...

KLA11956 Multiple vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code, bypass security restrictions. Below is a complete list of vulnerabilities: 1. An elevation of privilege vulnerability in Diagnostics Hub...

Microsoft Windows Defender Elevation of Privilege Vulnerability (CVE-2020-1163 & CVE-2020-1170)

The version of Microsoft Windows Defender component MpCmdRun.exe installed on the remote Windows host is prior to 4.18.2005.1. It is, therefore, affected by a elevation of privilege vulnerability which could allow an attacker who successfully exploited this vulnerability to elevate privileges on...

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...

Lazarus Group Targets Cryptocurrency Firms Via LinkedIn Messages

The nation-state threat operator Lazarus Group is being tied to a recent phishing campaign that targeted admins at a cryptocurrency firm via LinkedIn messages. Researchers say that the recently identified a series of incident that were part of a broader campaign targeting businesses worldwide...

OneDrive DLL hijack privilege escalation

There exists a dll hijacking vulnerability in Onedrive versions after 20.073. Recent assessments: bwatters-r7 at July 31, 2020 9:04pm UTC reported: EDIT: This is not a privilege escalation per se. This overwrites the dll and gains injection, but it relies on a second user with greater privileges ...

Microsoft Guidance for Addressing Security Feature Bypass in GRUB

Executive Summary Microsoft is aware of a vulnerability in the GRand Unified Boot Loader GRUB, commonly used by Linux. This vulnerability, known as “There’s a Hole in the Boot”, could allow for Secure Boot bypass. To exploit this vulnerability, an attacker would need to have administrative...

Microsoft Defender Elevation of Privilege Vulnerability (Jul 2020)

This host is missing an important security update according to Microsoft July-2020 monthly updates. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...

The vulnerability of the MpSigStub.exe executable of Microsoft Windows Defender allows a hacker to delete files in certain parts of the file system.

The vulnerability of the MpSigStub.exe executable file of Microsoft’s Windows Defender is related to privilege management errors. Exploiting this vulnerability could allow a malicious actor to delete files in certain parts of the file system remotely...

Seeing the big picture: Deep learning-based fusion of behavior signals for threat detection

The application of deep learning and other machine learning methods to threat detection on endpoints, email and docs, apps, and identities drives a significant piece of the coordinated defense delivered by Microsoft Threat Protection. Within each domain as well as across domains, machine learning...

CVE-2020-1461

An elevation of privilege vulnerability exists when the MpSigStub.exe for Defender allows file deletion in arbitrary locations.To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Defender Elevation of Privilege Vulnerability'...