wePWNise - Generates Architecture Independent VBA Code To Be Used In Office Documents Or Templates And Automates Bypassing Application Control And Exploit Mitigation Software

wePWNise is proof-of-concept Python script which generates VBA code that can be used in Office macros or templates. It was designed with automation and integration in mind, targeting locked down environment scenarios. The tool enumerates Software Restriction Policies SRPs and EMET mitigations and...

Olympic Destroyer Returns to Target Biochemical Labs

Olympic Destroyer, the threat actor that caused a crippling sabotage attack on the networks supporting this year’s Winter Games in Pyeongchang, South Korea, has resurfaced with a spy campaign – and with a wider target range. The new campaign began last month and is ongoing, employing spear-phishi...

Malware analysis: decoding Emotet, part 1

Emotet Banking Trojan malware has been around for quite some time now. As such, infosec researchers have made several attempts to develop tools to de-obfuscate and even decrypt the AES-encrypted code belonging to this malware. The problem with these tools is that they target active versions of th...

SpookFlare v2.0 - Loader, Dropper Generator With Multiple Features For Bypassing Client-Side And Network-Side Countermeasures

SpookFlare has a different perspective to bypass security measures and it gives you the opportunity to bypass the endpoint countermeasures at the client-side detection and network-side detection. SpookFlare is a loader/dropper generator for Meterpreter, Empire, Koadic etc. SpookFlare has...

Threat Analysis: Recent Attack Technique Attempts to Bypass Whitelisting by Leveraging MS Office Document Macros, MSBuild, Certutil

Carbon Black continues to monitor and track evolving techniques that attackers leverage. Over the last several years, there has been an increase in attackers leveraging open source frameworks and proof of concept POC techniques that are released publically by researchers. A document was recently...

Description of the security update for Excel 2016: March 13, 2018

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Targeted Attacks In The Middle East

This blog post is authored by Paul Rascagneres with assistance of Martin Lee. Executive Summary Talos has identified a targeted attacks affecting the Middle East. This campaign contains the following elements, which are described in detail in this article. The use of allegedly confidential decoy...

Automatize Obfuscation and Generation of MS Office Documents: macro_pack

The macropack is a tool used to automatize obfuscation and generation of MS Office documents for pentest, demo, and social engineering assessments. The goal of macropack is to simplify antimalware solutions bypass and automatize the process from vba generation to final Office document generation...

MS-Word Payload Delivery: Macro Creator

Invoke-MacroCreator is a powershell Cmdlet that allows for the creation of an MS-Word document embedding a VBA macro with various payload delivery and execution capabilities. Description Basically the script supports three types of payload that you MUST specify using the -t argument: 1. shellcode...

MS Office Built-In Feature Could be Exploited to Create Self-Replicating Malware

Earlier this month a cybersecurity researcher shared details of a security loophole with The Hacker News that affects all versions of Microsoft Office, allowing malicious actors to create and spread macro-based self-replicating malware. Macro-based self-replicating malware, which basically allows...

“Cyber Conflict” Decoy Document Used In Real Cyber Conflict

This post was authored by Warren Mercer, Paul Rascagneres and Vitor VenturaUpdate 10/23: CCDCOE released a statement today on their websiteIntroductionCisco Talos discovered a new malicious campaign from the well known actor Group 74 aka Tsar Team, Sofacy, APT28, Fancy Bear…. Ironically the decoy...

Microsoft Office Word free macro command execution flaw vulnerability 0day-vulnerability warning-the black bar safety net

If we inform you that in MS-Word on the presence of a Royal Decree to fulfill the vulnerability flaws of the bug, which unnecessary any macro maybe memory overflow? Windows for use between the stop data transfer supply a variety of transmission methods, this one is called static swap agreements, ...

Description of the security update for Excel 2016: September 12, 2017

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Threat Round Up for Aug 25 - Sep 1

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between August 25 and September 1. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavior...

Threat Analysis: Word Documents with Embedded Macros Leveraging Emotet Trojan

Many customers have recently asked how Carbon Black's solutions detect macros and droppers specifically referencing Emotet dropper files. Customers often say that macros and droppers are an ongoing problem in their environments. They are also seen day-to-day by most practitioners. The analysis...

oletools - Tools to analyze MS OLE2 files and MS Office documents, for malware analysis, forensics and debugging

oletools is a package of python tools to analyze Microsoft OLE2 files also called Structured Storage, Compound File Binary Format or Compound Document File Format, such as Microsoft Office documents or Outlook messages, mainly for malware analysis, forensics and debugging. It is based on the...

Microsoft VBA Hidden Modules

Credits: Maxim Tomashevich / Thegrideon Software Website: https://www.thegrideon.com/ Details: https://www.thegrideon.com/vba-internals.html Vendor: --------------------- Microsoft Product: --------------------- Visual Basic for Applications VBA 6.5 - 7.1 x32 / x64 Vulnerability Details:...

New Fileless Malware Uses DNS Queries To Receive PowerShell Commands

It is no secret that cybercriminals are becoming dramatically more adept, innovative, and stealthy with each passing day. While new forms of cybercrime are on the rise, traditional activities seem to be shifting towards more clandestine techniques that involve the exploitation of standard system...

Malware Evades Detection with Novel Technique

Researchers have found a new strain of document-based macro malware that evades discovery by lying dormant when it detects a security researcher’s test environment. The malware, according to researcher Caleb Fenton with security firm SentinelOne, evades detection simply by counting the number of...

MS16-107: Description of the security update for Office 2013: September 13, 2016

MS16-107: Description of the security update for Office 2013: September 13, 2016 Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Microsoft Office file. To learn more about these vulnerabilities, s...