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:...

binutils:fuzz_objcopy: Heap-buffer-overflow in bfd_getl32

Detailed Report: https://oss-fuzz.com/testcase?key=6679365765693440 Project: binutils Fuzzing Engine: libFuzzer Fuzz Target: fuzzobjcopy Job Type: libfuzzerasanbinutils Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x7f272f58e200 Crash State: bfdgetl32...

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 ...

binutils:fuzz_addr2line: Dynamic-stack-buffer-overflow in error_handler_internal

Detailed Report: https://oss-fuzz.com/testcase?key=4529864160444416 Project: binutils Fuzzing Engine: afl Fuzz Target: fuzzaddr2line Job Type: aflasanbinutils Platform Id: linux Crash Type: Dynamic-stack-buffer-overflow READ 8 Crash Address: 0x7fff95da1338 Crash State: errorhandlerinternal...

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...

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...

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...

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...

UBUNTU-CVE-2021-32297

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...

LIEF 缓冲区错误漏洞

Lief is a cross-platform library from the individual developer Romain Thomas. It is used to parse, modify and abstract Elf, Pe and MachO formats. A security vulnerability exists in LIEF, which stems from a heap buffer overflow in the main function in pe reader.c. This vulnerability can be exploit...

PT-2021-19695

Name of the Vulnerable Software and Affected Versions: LIEF versions prior to 0.11.5 is not mentioned, but since 0.11.4 is the last version mentioned as vulnerable, we can say LIEF versions prior to 0.11.5 Description: A heap-buffer-overflow issue exists in the function main located in pe reader....

PT-2021-27797

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description A heap-buffer-overflow READ 1 crash has been reported. The crash involves the functions pe get section full name, pe load, and yr modules load. No...