Friday, March 29, 2024

New Zero Day Attack Discovered in MS Word Document Uses to Hack your PC – Still Not yet Patched

[jpshare]

MS word Document is on of the main Vector to easily spread the Macro viruses to the Victims. an undisclosed vulnerability has been Discovered in  Microsoft Office RTF( Rich Text Format) Document.

FireEye Security Researchers Said, This vulnerability allows a malicious actor to execute a Visual Basic script when the user opens a document containing an embedded exploit.This vulnerability found as Windows Object Linking and Embedding (OLE) based attack.

Different Well-known  Families  Malware payload inject into the Office documents and exploiting the vulnerability that downloads and executes within it.

Attack Method

According to the FireEye, attack involves a threat actor emailing a Microsoft Word document to a targeted user with an embedded OLE2link object.

This Malware basically spreading through the Email with Attached Malware Embedded Word Document files. Once victims Click the Document file, will automatically Execute the Payload into Victims Machine, winword.exe issues a HTTP request and Establish a connection with Command & Control Server where Attackers Control the Victims machine.

winword.exe. Included in Microsoft’s Office Suite, Word is a powerful word processor. Primarily a tool for typing and editing documents, Word can export into many formats and included many add-ons from Microsoft. 

Once loads and executes the malicious script, it will automatically terminate the winword.exe process and drop the additional payload, FireEye said.

The original winword.exe process is terminated in order to hide a user prompt generated by the OLE2link.

This Zero Day Critical Vulnerability has been Reported by FireEye to Microsoft Security Team and Still patch not yet Ready To Publically disclose the Technical Analysis of this Vulnerability.

Also Read:

Website

Latest articles

Beware Of Weaponized Air Force invitation PDF Targeting Indian Defense And Energy Sectors

EclecticIQ cybersecurity researchers have uncovered a cyberespionage operation dubbed "Operation FlightNight" targeting Indian government...

WarzoneRAT Returns Post FBI Seizure: Utilizing LNK & HTA File

The notorious WarzoneRAT malware has made a comeback, despite the FBI's recent efforts to...

Google Revealed Kernel Address Sanitizer To Harden Android Firmware And Beyond

Android devices are popular among hackers due to the platform’s extensive acceptance and open-source...

Compromised SaaS Supply Chain Apps: 97% of Organizations at Risk of Cyber Attacks

Businesses increasingly rely on Software as a Service (SaaS) applications to drive efficiency, innovation,...

IT and security Leaders Feel Ill-Equipped to Handle Emerging Threats: New Survey

A comprehensive survey conducted by Keeper Security, in partnership with TrendCandy Research, has shed...

How to Analyse .NET Malware? – Reverse Engineering Snake Keylogger

Utilizing sandbox analysis for behavioral, network, and process examination provides a foundation for reverse...

GoPlus’s Latest Report Highlights How Blockchain Communities Are Leveraging Critical API Security Data To Mitigate Web3 Threats

GoPlus Labs, the leading Web3 security infrastructure provider, has unveiled a groundbreaking report highlighting...
Balaji
Balaji
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Mitigating Vulnerability Types & 0-day Threats

Mitigating Vulnerability & 0-day Threats

Alert Fatigue that helps no one as security teams need to triage 100s of vulnerabilities.

  • The problem of vulnerability fatigue today
  • Difference between CVSS-specific vulnerability vs risk-based vulnerability
  • Evaluating vulnerabilities based on the business impact/risk
  • Automation to reduce alert fatigue and enhance security posture significantly

Related Articles