[SECURITY] Fedora 31 Update: radare2-4.5.0-1.fc31

The radare2 is a reverse-engineering framework that is multi-architecture, multi-platform, and highly scriptable. Radare2 provides a hexadecimal editor, wrapped I/O, file system support, debugger support, diffing between two functions or binaries, and code analysis at opcode, basic block, and...

[SECURITY] Fedora 31 Update: cutter-re-1.11.0-1.fc31

Cutter is a Qt and C++ GUI for radare2. Its goal is making an advanced, customizable and FOSS reverse-engineering platform while keeping the user experience at mind. Cutter is created by reverse engineers for reverse engineers...

Announcing the Seventh Annual Flare-On Challenge

The Front Line Applied Research & Expertise FLARE team is honored to announce that the popular Flare-On challenge will return for a triumphant seventh year. Ongoing global events proved no match against our passion for creating challenging and fun puzzles to test and hone the skills of aspiring a...

TikTok is being discouraged and the app may be banned

In recent news retail giant Amazon sent a memo to employees telling them to delete the popular social media app TikTok from their phones. In the memo it stated that the app would pose a security risk without going into details. Later the memo was withdrawn without an explanation except that it wa...

GReAT thoughts: Awesome IDA Pro plugins

The Global Research & Analysis Team here at Kaspersky has a tradition of meeting up once a month and sharing cutting-edge research, interesting techniques and useful tools. We recently took the unprecedented decision to make our internal meetings public for a few months and present them as a seri...

capa: Automatically Identify Malware Capabilities

capa is the FLARE team’s newest open-source tool for analyzing malicious programs. Our tool provides a framework for the community to encode, recognize, and share behaviors that we’ve seen in malware. Regardless of your background, when you use capa, you invoke decades of cumulative reverse...

Configuring a Windows Domain to Dynamically Analyze an Obfuscated Lateral Movement Tool

We recently encountered a large obfuscated malware sample that offered several interesting analysis challenges. It used virtualization that prevented us from producing a fully-deobfuscated memory dump for static analysis. Statically analyzing a large virtualized sample can take anywhere from...

h1-ctf: @shakedko H1-2006 CTF writeup

TL;DR Flag is: ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$. Thank you for this awesome challenge! Introduction I have participated in this CTF as I wanted to see how far I'd be able to get considering the fact that I'm doing bug bounty for a relatively short time. Coming from the software...

Dynamic Data Resolver (DDR) — IDA Plugin 1.0 beta

By Holger Unterbrink Executive summaryStatic reverse-engineering in IDA can often be problematic. Certain values are calculated at run time, which makes it difficult to understand what a certain basic block is doing. If you try to perform dynamic analysis by debugging a piece of malware, the...

Reverse Engineering a 5g ‘Bioshield’

Six months ago the UK's Glastonbury Town Council set up a 5g Advisory Committee to explore the safety of the technology, and last month the local paper reported their findings. This statement is in their recommended measures report page 31 of this PDF: 5G Bioshield https://5gbioshield.com/ We use...

Analyzing Dark Crystal RAT, a C# Backdoor

The FireEye Mandiant Threat Intelligence Team helps protect our customers by tracking cyber attackers and the malware they use. The FLARE Team helps augment our threat intelligence by reverse engineering malware samples. Recently, FLARE worked on a new C variant of Dark Crystal RAT DCRat that the...

Speaking at security events

I don't claim to be an amazing speaker; I'm still in awe of great infosec speakers such as Mikko Hypponen, Charlie Miller, Mudge and many others. However, I do keep being invited back to speak at events, so I guess I'm doing something right. Sometimes it's a minor slot at a big event, but the...

Part two: Reverse engineering and patching with Ghidra

In the first installment of our three-part blog series we learned how to root the Flashforge Finder 3D printer and acquire its firmware. In this post, we will delve into reverse engineering and patching the software using the new open source NSA tool Ghidra, which rivals its expensive competitors...

What does it take to become a good reverse engineer?

How much money and effort does it take to become a good reverse engineer? Do you even need to be one? There are no universally acceptable answers to these questions. Software reverse engineering RE is not a science but a skillset combined with specific knowledge and backed by a lot of experience...

FakeNet Genie: Improving Dynamic Malware Analysis with Cheat Codes for FakeNet-NG

As developers of the network simulation tool FakeNet-NG, reverse engineers on the FireEye FLARE team, and malware analysis instructors, we get to see how different analysts use FakeNet-NG and the challenges they face. We have learned that FakeNet-NG provides many useful features and solutions of...

Turning an OBD-II reader into a USB / NFC attack tool

One of my favourite sorts of hardware hacking is making a device do something it was never intended for. It's creative, disruptive, and fun. Everyone has their own way of going about things. Different methodologies, habits, and skill sets mean that approaches will be diverse. This is how I work...

Critical Patch Released for 'Wormable' SMBv3 Vulnerability — Install It ASAP!

Microsoft today finally released an emergency software update to patch the recently disclosed very dangerous vulnerability in SMBv3 protocol that could let attackers launch wormable malware, which can propagate itself from one vulnerable computer to another automatically. The vulnerability, track...

ABD - Course Materials For Advanced Binary Deobfuscation

Advanced Binary Deobfuscation This repository contains the course materials of Advanced Binary Deobfuscation at the Global Cybersecurity Camp GCC Tokyo in 2020. Course Abstract Reverse engineering is not easy, especially if a binary code is obfuscated. Once obfuscation performed, the binary would...

[SECURITY] Fedora 31 Update: cutter-re-1.10.1-3.fc31

Cutter is a Qt and C++ GUI for radare2. Its goal is making an advanced, customizable and FOSS reverse-engineering platform while keeping the user experience at mind. Cutter is created by reverse engineers for reverse engineers...

[SECURITY] Fedora 31 Update: radare2-4.2.1-2.fc31

The radare2 is a reverse-engineering framework that is multi-architecture, multi-platform, and highly scriptable. Radare2 provides a hexadecimal editor, wrapped I/O, file system support, debugger support, diffing between two functions or binaries, and code analysis at opcode, basic block, and...