Announcing the Fourth Annual Flare-On Challenge

The fourth annual Flare-On Challenge – the FireEye Labs Advanced Reverse Engineering FLARE team’s yearly reverse engineering contest – is scheduled to kick off on Sept. 1, 2017, at 8pm ET. This is a CTF-style challenge for all active and aspiring reverse engineers, malware analysts, and security...

Announcing the Fourth Annual Flare-On Challenge

The fourth annual Flare-On Challenge – the FireEye Labs Advanced Reverse Engineering FLARE team’s yearly reverse engineering contest – is scheduled to kick off on Sept. 1, 2017, at 8pm ET. This is a CTF-style challenge for all active and aspiring reverse engineers, malware analysts, and security...

Bytecode Viewer - A Java 8 Jar & Android Apk Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

Bytecode Viewer is an Advanced Lightweight Java Bytecode Viewer, GUI Java Decompiler, GUI Bytecode Editor, GUI Smali, GUI Baksmali, GUI APK Editor, GUI Dex Editor, GUI APK Decompiler, GUI DEX Decompiler, GUI Procyon Java Decompiler, GUI Krakatau, GUI CFR Java Decompiler, GUI FernFlower Java...

Python Pentesting Framework: PytheM

pythem is a multi-purpose pentest framework written in Python. It has been developed to be used by security researchers and security professionals. The tool intended to be used only for acts within the law. I am not liable for any undue and unlawful act practiced by this tool, for more informatio...

PyREBox - Python scriptable Reverse Engineering Sandbox

PyREBox is a Python scriptable Reverse Engineering sandbox. It is based on QEMU, and its goal is to aid reverse engineering by providing dynamic analysis and debugging capabilities from a different perspective. PyREBox allows to inspect a running QEMU VM, modify its memory or registers, and to...

The Windows Malware Analysis Distribution: flare-vm

FLARE VM is a freely available and open sourced Windows-based security distribution designed for reverse engineers, malware analysts, incident responders, forensicators, and penetration testers. Inspired by open-source Linux-based security distributions like Kali Linux, REMnux and others, FLARE V...

Hacking Slot Machines by Reverse-Engineering the Random Number Generators

Interesting story: The venture is built on Alex's talent for reverse engineering the algorithms -- known as pseudorandom number generators, or PRNGs -- that govern how slot machine games behave. Armed with this knowledge, he can predict when certain games are likeliest to spit out money­insight...

FLARE VM: The Windows Malware Analysis Distribution You’ve Always Needed!

As a reverse engineer on the FLARE Team I rely on a customized Virtual Machine VM to perform malware analysis. The Virtual Machine is a Windows installation with numerous tweaks and tools to aid my analysis. Unfortunately trying to maintain a custom VM like this is very laborious: tools frequentl...

PyREBox, a Python Scriptable Reverse Engineering Sandbox

This post was authored by Xabier Ugarte PedreroIn Talos, we are continuously trying to improve our research and threat intelligence capabilities. As a consequence, we not only leverage standard tools for analysis, but we also focus our efforts on innovation, developing our own technology to...

Threat Actors Target Chinese Language News Sites

A California-based news website covering China, called China Digital Times, was targeted in a spying campaign that involved phishing lures and the use of the NetWire remote access Trojan. The attacks began in February 2017 and were part of a wider campaign of phishing, reconnaissance and malware...

Reverse Engineering Framework: radare2

Reverse Engineering Framework: radare2 r2 is a rewrite from scratch of radare in order to provide a set of libraries and tools to work with binary files Radare project started as a forensics tool, a scriptable command-line hexadecimal editor able to open disk files, but later support for analyzin...

Reverse Engineering MacOS: HookCase

Reverse Engineering MacOS HookCase is a tool for debugging and reverse engineering applications on macOS aka OS X, and the operating system itself. It re-implements and extends Apple’s DYLDINSERTLIBRARIES functionality . It can be used to hook any method defined in any module’s symbol table,...

GDB Exploit Development & Reverse Engineering: pwndbg

GDB Exploit Development & Reverse Engineering pwndbg /poʊndbæg/ is a GDB plug-in that makes debugging with GDB suck less, with a focus on features needed by low-level software developers, hardware hackers, reverse-engineers and exploit developers. Vanilla GDB is terrible to use for reverse...

Researchers Disclose Intel AMT Flaw Research

On Friday, just as Intel released additional information regarding a critical flaw found earlier this week in a subset of its business-class PCs, the researchers behind the initial vulnerability discovery, Embedi, also published their research on the flaw. Intel warned Monday of a firmware...

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:...

Introduction to Reverse Engineering Cocoa Applications

While not as common as Windows malware, there has been a steady stream of malware discovered over the years that runs on the OS X operating system, now rebranded as macOS. February saw three particularly interesting publications on the topic of macOS malware: a Trojan Cocoa application that sends...

Linux/x86-64 - Reverse Shell Shellcode (84 bytes)

Linux/x86-64 - Reverse Shell Shellcode 84 bytes. Shellcode exploit for Linux platform / Title: Linux/x86-64 - Reverse TCP shellcode - 84 bytes Author: Manuel Mancera @sinkmanu Tested on: 3.16.0-4-amd64 1 SMP Debian 3.16.39-1 2016-12-30 x8664 GNU/Linux ----------------- Assembly code...

MS16-104: Internet Explorer URL files Security Feature Bypass (CVE-2016-3353)

On September 13th, 2016 Microsoft released security bulletin MS16-104 1, which addresses several vulnerabilities affecting Internet Explorer. One of those vulnerabilities is CVE-2016-3353, a security feature bypass bug in the way .URL files are handled. This security issue does not allow for remo...

CVE-2016-9353

An issue was discovered in Advantech SUISAccess Server Version 3.0 and prior. The admin password is stored in the system and is encrypted with a static key hard-coded in the program. Attackers could reverse the admin account password for use...

ScratchABit - Easily retargetable and hackable interactive disassembler with IDAPython-compatible plugin API

ScratchABit is an interactive incremental disassembler with data/control flow analysis capabilities. ScratchABit is dedicated to the efforts of the OpenSource reverse engineering community reverse engineering to produce OpenSource drivers/firmware for hardware not properly supported by vendors...