Carbon Black Report: Tools of Choice

Quarterly Incident Response Threat Report PowerShell and WMI Remain Tools of Choice for Cyberattacks We’ve long known that PowerShell has been abused, but it is still significant that 100% of respondents say they believe the tool most often helps facilitate lateral movements, followed by WMI at...

PowerShell Front-End for Windows Debugger Engine: DbgShell

The main impetus for DbgShell is that it’s just waaaay too hard to automate anything in the debugger. There are facilities today to assist in automating the debugger, of course. But in my opinion they are not meeting people’s needs. Using the built-in scripting language is arcane, limited,...

Ghostscript - Failed Restore Command Execution (Metasploit)

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule /dev/tty' include Msf::Exploit::FILEFORMAT include Msf::Exploit::CmdStager include Msf::Exploit::Powershell def initializeinfo =...

Threat Actors Eyeing IQY Files To Peddle Malspam

More threat actors are pushing weaponized Excel web query IQY files to deliver malicious code – as seen in recent campaigns by several major malspam distributors. Researchers at IBM X-Force this week disclosed that both the Necurs Botnet, as well as DarkHydrus and the threat actor behind the Mara...

Threat Roundup for August 31 to September 7

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Aug. 31 and Sept. 7. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we’ve observed b...

Ghostscript Failed Restore Command Execution Exploit

This Metasploit module exploits a -dSAFER bypass in Ghostscript to execute arbitrary commands by handling a failed restore grestore in PostScript to disable LockSafetyParams and avoid invalidaccess. This vulnerability is reachable via libraries such as ImageMagick, and this module provides the...

iBombShell: A Dynamic Post-Exploitation Remote Shell

PenTestIT RSS Feed Consider you have a shell on a system and other post-exploitation do not work for you as they are being caught by a security solution on the system. Worry not as we now have iBombShell, a dynamic remote shell that can be run on any system that supports PowerShell. The reason th...

The vulnerability of the components of Device Guard in Windows operating systems allows a hacker to bypass code integrity checks.

The vulnerability of the Device Guard component of Windows operating systems is related to improperly implemented security checks. Exploiting this vulnerability allows an attacker to bypass code integrity checks by injecting malicious code into the trusted PowerShell process...

The vulnerability of the components of Device Guard in Windows operating systems allows a hacker to bypass code integrity checks.

The vulnerability of the Device Guard component of Windows operating systems is related to improperly implemented security checks. Exploiting this vulnerability allows an attacker to bypass code integrity checks by injecting malicious code into the trusted PowerShell process...

Carbon Black Report: 46% of Incident Response Professionals Experience Counter Incident Response

Quarterly Incident Response Threat Report Executive Summary/Highlights Proactive Incident Response Even as a steady drumbeat of headlines keeps the world’s attention focused on cybercrimes such as ransomware and cryptojacking, in the dark corners of the internet, attackers are busy refining their...

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...