Mageia: Security Advisory (MGASA-2021-0160)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CosaNostra Builder Insecure Permissions

Discovery / credits: Malvuln - malvuln.com c 2022 Original source: https://malvuln.com/advisory/61285c988de52b7c067fb2e703f2ab83.txt Contact: [email protected] Media: twitter.com/malvuln Threat: CosaNostra Builder Vulnerability: Insecure Permissions Description: The malware creates PE files wit...

WinVerifyTrust Signature Validation Vulnerability

Why is Microsoft republishing a CVE from 2013? We are republishing CVE-2013-3900 in the Security Update Guide to update the Security Updates table and to inform customers that the EnableCertPaddingCheck is available in all currently supported versions of Windows 10 and Windows 11. While the forma...

KLA12432 RCE vulnerability in Microsoft Products (ESU)

Remote code execution vulnerability was found in Microsoft Products Extended Security Update. Malicious users can exploit this vulnerability to execute arbitrary code. Original advisories CVE-2013-3900 Exploitation Public exploits exist for this vulnerability. Related products Microsoft-Windows...

KLA12421 Multiple vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to cause denial of service, gain privileges. Below is a complete list of vulnerabilities: 1. Denial of service vulnerability in .NET Framework can be exploited remotely to cause...

Microsoft WinVerifyTrust function Remote Code Execution

A remote code execution vulnerability exists in the way that the WinVerifyTrust function handles Windows Authenticode signature verification for PE files...

Skrull - A Malware DRM, That Prevents Automatic Sample Submission By AV/EDR And Signature Scanning From Kernel

Skrull is a malware DRM, that prevents Automatic Sample Submission by AV/EDR and Signature Scanning from Kernel. It generates launchers that can run malware on the victim using the Process Ghosting technique. Also, launchers are totally anti-copy and naturally broken when got submitted. It's a...

DLLHijackingScanner - This Is A PoC For Bypassing UAC Using DLL Hijacking And Abusing The "Trusted Directories" Verification

This is a PoC for bypassing UAC using DLL hijacking and abusing the "Trusted Directories" verification. Generate Header from CSV The python script CsvToHeader.py can be used to generate a header file. By default it will use the CSV file dllhijackingcandidates.csv that can be found here:...

Backdoor.Win32.Agent.ad Insecure Credential Storage

Discovery / credits: Malvuln - malvuln.com c 2021 Original source: https://malvuln.com/advisory/d2b933ebadd5c808ca4c68ae173e2d62.txt Contact: [email protected] Media: twitter.com/malvuln Threat: Backdoor.Win32.Agent.ad Vulnerability: Insecure Credential Storage Description: The malware listens ...

Heap-based Buffer Overflow in zyantific/zydis

As discussed in the report at https://www.huntr.dev/bounties/96b0a482-7041-45b1-9327-c6a4a8f32d3a/, I am re-opening the report here for proper tracking. Description Hello, we hope you're doing well during these challenging times. Whilst testing zydis built from commit 077b185 with Clang12 + ASan ...

DCOM abuse and lateral movement with Cobalt Strike

Introduction When researching lateral movement techniques I came across a post from Raphael Mudge of Cobalt Strike fame. He details scripting an Aggressor Script for Matt Nelson’s MMC20.Application Lateral Movement technique. Reading that post spurred me to make my own DCOM based lateral movement...

Heap-based Buffer Overflow in zyantific/zydis

Description Hello, we hope you're doing well during these challenging times. Whilst testing zydis built from commit 077b185 with Clang12 + ASan on Ubuntu 18.04, we discovered a crafted PE file that when fed to ZydisPE triggers a heap-buffer-overflow, READ of size 1. Proof of Concept POC Base64...

Trickbot module descriptions

Trickbot aka TrickLoader or Trickster, is a successor of the Dyre banking Trojan that was active from 2014 to 2016 and performed man-in-the-browser attacks in order to steal banking credentials. Trickbot was first discovered in October 2016. Just like Dyre, its main functionality was initially th...

ImpulsiveDLLHijack - C# Based Tool Which Automates The Process Of Discovering And Exploiting DLL Hijacks In Target Binaries

C based tool which automates the process of discovering and exploiting DLL Hijacks in target binaries. The Hijacked paths discovered can later be weaponized during RedTeam Operations to evade EDR's. 1. Methodological Approach : The tool basically acts on automating following stages performed for...

What is an .exe file? Is it the same as an executable?

You may often see .exe files but you may not know what they are. Is it the same as an executable file? The short answer is no. So whats the difference? What is an .exe file? Exe in this context is a file extension denoting an executable file for Microsoft Windows. Windows file names have two part...

KLA12318 Multiple vulnerabilities in Adobe Acrobat and Adobe Acrobat Reader

Multiple vulnerabilities were found in Adobe Acrobat and Adobe Acrobat Reader. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges. Below is a complete list of vulnerabilities: 1. Out of bounds write vulnerability can be exploited to execute arbitrary code...

KLA12314 Multiple vulnerabilities in Microsoft Server Software

Multiple vulnerabilities were found in Microsoft Server Software. Malicious users can exploit these vulnerabilities to gain privileges, spoof user interface, execute arbitrary code, cause denial of service. Below is a complete list of vulnerabilities: 1. An elevation of privilege vulnerability in...

KLA12330 Multiple vulnerabilities in Oracle VirtualBox

Multiple vulnerabilities were found in Oracle VirtualBox. Malicious users can exploit these vulnerabilities to obtain sensitive information, cause denial of service, bypass security restrictions, gain privileges. Below is a complete list of vulnerabilities: 1. Security vulnerability in Core...

Google Warns of a New Way Hackers Can Make Malware Undetectable on Windows

Cybersecurity researchers have disclosed a novel technique adopted by a threat actor to deliberately evade detection with the help of malformed digital signatures of its malware payloads. "Attackers created malformed code signatures that are treated as valid by Windows but are not able to be...

PYSEC-2021-324

An issue was discovered in LIEF through 0.11.4. A heap-buffer-overflow exists in the function main located in pereader.c. It allows an attacker to cause code Execution...