CVE-2017-0199: analysis Microsoft Office RTF vulnerability-vulnerability warning-the black bar safety net

FireEye recently detected using CVE-2017-0199 security vulnerabilities malicious Microsoft Office RTF document, be aware of CVE-2017-0199, but had not been disclosed vulnerability. When the user opens that contains the exploit Code of the document, the malicious code will download and execute the...

CVE-2017-0199 Used as Zero Day to Distribute FINSPY Espionage Malware and LATENTBOT Cyber Crime Malware

FireEye recently identified a vulnerability – CVE-2017-0199 – that allows a malicious actor to download and execute a Visual Basic script containing PowerShell commands when a user opens a Microsoft Office RTF document containing an embedded exploit. We worked with Microsoft and published the...

Office Zero Day Delivering FINSPY Spyware to Victims in Russia

Since at least January, unidentified state-sponsored attackers have been targeting victims in Russia with FINSPY spyware delivered in exploits for an Office and WordPad zero-day vulnerability patched on Tuesday by Microsoft. Separately, the same zero-day has been leveraged in financially motivate...

CVE-2017-0199 Used as Zero Day to Distribute FINSPY Espionage Malware and LATENTBOT Cyber Crime Malware

FireEye recently identified a vulnerability – CVE-2017-0199 – that allows a malicious actor to download and execute a Visual Basic script containing PowerShell commands when a user opens a Microsoft Office RTF document containing an embedded exploit. We worked with Microsoft and published the...

CVE-2017-0199 Used as Zero Day to Distribute FINSPY Espionage Malware and LATENTBOT Cyber Crime Malware

FireEye recently identified a vulnerability – CVE-2017-0199 – that allows a malicious actor to download and execute a Visual Basic script containing PowerShell commands when a user opens a Microsoft Office RTF document containing an embedded exploit. We worked with Microsoft and published the...

PoshC2 - Powershell C2 Server and Implants

PoshC2 is a proxy aware C2 framework written completely in PowerShell to aid penetration testers with red teaming, post-exploitation and lateral movement. The tools and modules were developed off the back of our successful PowerShell sessions and payload types for the Metasploit Framework...

CVE-2017-0199: In the Wild Attacks Leveraging HTA Handler

FireEye recently detected malicious Microsoft Office RTF documents that leverage CVE-2017-0199, a previously undisclosed vulnerability. This vulnerability allows a malicious actor to download and execute a Visual Basic script containing PowerShell commands when a user opens a document containing ...

Security and Quality Rollup for the .NET Framework 2.0 Service Pack 2, 4.5.2, and 4.6 updates for Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2: April 11, 2017

Security and Quality Rollup for the .NET Framework 2.0 Service Pack 2, 4.5.2, and 4.6 updates for Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2: April 11, 2017 Note Known issues in this security update After you apply this security update, the PowerShell v3.0+ stop-computer...

Against DeviceGuard: in-depth analysis of the CVE-2017-0007-vulnerability warning-the black bar safety net

Over the past few months, I'm happy and Matt Graeber and Casey Smith together with the study Device Guard user-mode integrity UMCI around it. If you are not familiar with Device Guard, you can read: https://technet.microsoft.com/en-us/itpro/windows/keep-secure/device-guard-deployment-guide the. I...

Windows PowerShell LLMNR/NBNS spoofer: Inveigh

Windows PowerShell LLMNR/NBNS spoofer Inveigh is a Windows PowerShell LLMNR/NBNS spoofer designed to assist penetration testers that find themselves limited to a Windows system. This can commonly occur while performing phishing attacks, USB drive attacks, VLAN pivoting, or simply being restricted...

'Events data collection failure' Issue

Challenge Veeam ONE raises Events data collection failure against Veeam Backup & Replication or Hyper-V server. Cause Permissions, UAC configuration, and firewall settings need to be configured. Solution Troubleshooting Checks Verify that the account used to connect to Veeam Backup & Replication ...

Sherlock - Tool to find missing Windows patches for Local Privilege Escalation Vulnerabilities

PowerShell script to quickly find missing Microsoft patches for local privilege escalation vulnerabilities. Currently looks for: MS10-015 : User Mode to Ring KiTrap0D MS10-092 : Task Scheduler MS13-053 : NTUserMessageCall Win32k Kernel Pool Overflow MS13-081 : TrackPopupMenuEx Win32k NULL Page...

The vulnerability of the Windows operating system, which allows a hacker to bypass the certificate verification process

The vulnerability of the PowerShell script for the Windows operating system exists due to insufficient checking of input data. Exploiting this vulnerability allows a local attacker to bypass certificate verification...

Microsoft Windows PowerShell Security Feature Bypass Vulnerability (CVE-2017-0007)

Over the past few months, I have had the pleasure to work side-by-side with Matt Graeber @mattifestation and Casey Smith @subtee in their previous job roles, researching Device Guard user mode code integrity UMCI bypasses. If you aren't familiar with Device Guard, you can read more about it here:...

WMI Based Agentless Post-Exploitation PowerShell RAT: WMImplant

WMImplant is a PowerShell based tool that leverages WMI to both perform actions against targeted machines, but also as the C2 channel for issuing commands and receiving results. WMImplant will likely require local administrator permissions on the targeted machine. It is designed to run both...

Dissecting One of APT29’s Fileless WMI and PowerShell Backdoors (POSHSPY)

Mandiant has observed APT29 using a stealthy backdoor that we call POSHSPY. POSHSPY leverages two of the tools the group frequently uses: PowerShell and Windows Management Instrumentation WMI. In the investigations Mandiant has conducted, it appeared that APT29 deployed POSHSPY as a secondary...

Dissecting One of APT29’s Fileless WMI and PowerShell Backdoors (POSHSPY)

Mandiant has observed APT29 using a stealthy backdoor that we call POSHSPY. POSHSPY leverages two of the tools the group frequently uses: PowerShell and Windows Management Instrumentation WMI. In the investigations Mandiant has conducted, it appeared that APT29 deployed POSHSPY as a secondary...

Github Repository Owners Targeted by Data-Stealing Malware

Phishing emails zeroing in on developers who own Github repositories were infecting victims with malware capable of stealing data through keyloggers and modules that would snag screenshots. Researchers at Palo Alto Networks this week said that in mid-January, an unknown number of developers were...

Can't create the PVS connector - error returned at Test Credentials - "Failed to validate the Domain User and Password."

Configuration settings appeared correct but reviewing the unidesk-pvs-connector.log.json displayed the below: HandlerHelper: 'Application Error while processing 'Command' 'CreatePowerShellSessionCommand'': 'DefaultTitle="", MessageID="PowerShellCreateSession",...

Malware That Targets Both Microsoft, Apple Operating Systems Found

Researchers came across a malicious Word document last week that doesn’t discriminate between OS platforms. The malicious Word document is designed to spread malware on either Mac OS X or Microsoft Windows, depending on where it’s opened. Like many other strains of malware these days, the sample,...