August 30, 2018—KB4343889 (OS Build 15063.1292)

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ThreatList: Ransomware Attacks Down, Fileless Malware Up in 2018

The use of fileless malware in attacks continues to grow and now represents 42 out of 1,000 endpoint attacks, according to an analysis of 2018 data by one security firm. The uptick represents a 94 percent increase in the use of fileless-based attacks between January and June 2018. The study,...

Microsoft Windows - Advanced Local Procedure Call (ALPC) Local Privilege Escalation

Microsoft Windows - Advanced Local Procedure Call ALPC Local Privilege Escalation Note: PoC will now hijack the print spooler service - spoolsv.exe - as it required less code then hijacking printfilterpipelinesvc.exe, which was shown in the original video demo Description of the vulnerability The...

Microsoft Windows - Advanced Local Procedure Call (ALPC) Local Privilege Escalation

Note: PoC will now hijack the print spooler service - spoolsv.exe - as it required less code then hijacking printfilterpipelinesvc.exe, which was shown in the original video demo Description of the vulnerability The task scheduler service has an alpc endpoint, supporting the method...

Threat Analysis: Recent Attack Technique Leveraging cmd.exe and PowerShell Demonstrates How Attackers Are Using Trusted Microsoft Applications for Malicious Behavior

An attack leveraging cmd.exe and PowerShell was recently investigated by Cb ThreatSight analysts. Our initial investigation discovered that a batch file was executed on the targeted system. This batch file then invoked PowerShell with a base64 encoded command. Decoding the command revealed a seri...

AdvisorsBot Downloader Emerges in Raft of Malware Campaigns

A new downloader was disclosed today, sporting significant anti-analysis features and increasingly sophisticated distribution techniques. Researchers at Proofpoint have been tracking the downloader as a first-stage payload in campaigns since May 2018. Dubbed AdvisorsBot due to early...

Active Directory Privilege Relationships: BloodHound

BloodHound is a single page Javascript web application, built on top of Linkurious , compiled with Electron , with a Neo4j database fed by a PowerShell ingestor . BloodHound uses graph theory to reveal the hidden and often unintended relationships within an Active Directory environment. Attacks c...

WinRM Service cannot process the Request

Challenge When attempting to add an On-Prem or Hybrid organization to Veeam Backup for Office 365 the following error occurs: The WinRM service cannot process the request because the request needs to be sent to a different machine. Use the redirect information to send the request to a new machine...

PowerSploit

This is an offensive tool for Windows PowerShell exploitation. It is a collection of PowerShell scripts that can be used to exploit vulnerabilities in Windows systems. The repository contains several modules, including AntivirusBypass, CodeExecution, and others. The AntivirusBypass module contain...

CVE-2018-8200

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session, aka "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

CVE-2018-8200

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session, aka "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

CVE-2018-8204

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session, aka "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

CVE-2018-8204

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session, aka "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

Security feature bypass

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session, aka "Device Guard Code Integrity Policy Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

CVE-2018-8200

CVE-2018-8200 is a local security bypass in Windows Device Guard, enabling an attacker to inject malicious code into a PowerShell session by bypassing the Code Integrity Policy. Affected: Windows Server 2016, Windows 10 (and variants). Root cause: Device Guard Code Integrity Policy bypass vulnera...

Microsoft Windows Device Guard Local Security Bypass Vulnerability (CNVD-2018-19386)

Microsoft Windows is a set of operating systems developed by Microsoft Corporation in the U.S. Windows uses a graphical model GUI. A local security bypass vulnerability exists in Microsoft Windows Device Guard. An attacker can exploit this vulnerability to inject malicious code into a Windows...

Microsoft Windows Device Guard Local Security Bypass Vulnerability (CNVD-2018-19387)

Microsoft Windows is a set of operating systems developed by Microsoft Corporation in the U.S. Windows uses a graphical mode GUI. A local security bypass vulnerability exists in Microsoft Windows Device Guard. An attacker can exploit this vulnerability to inject malicious code into a Windows...

Device Guard Code Integrity Policy Security Feature Bypass Vulnerability

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session. An attacker who successfully exploited this vulnerability could inject code into a trusted PowerShell process to bypass the Device Guard Code...

Device Guard Code Integrity Policy Security Feature Bypass Vulnerability

A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session. An attacker who successfully exploited this vulnerability could inject code into a trusted PowerShell process to bypass the Device Guard Code...

KB4343892: Windows 10 August 2018 Security Update (Foreshadow)

The remote Windows host is missing security update 4343892. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an...