The leap of a Cycldek-related threat actor

Introduction In the nebula of Chinese-speaking threat actors, it is quite common to see tools and methodologies being shared. One such example of this is the infamous "DLL side-loading triad": a legitimate executable, a malicious DLL to be sideloaded by it, and an encoded payload, generally dropp...

uEmu - Tiny Cute Emulator Plugin For IDA Based On Unicorn.

uEmu is a tiny cute emulator plugin for IDA based on unicorn engine. Supports following architectures out of the box: x86 , x64 , ARM , ARM64 , MIPS , MIPS64 What is it GOOD for? Emulate bare metal code bootloaders, embedded firmware etc Emulate standalone functions What is it BAD for? Emulate...

uafuzz

This is an offensive tool for Binary Analysis. The repository, cherrywb/uafuzz, is a directed fuzzer dedicated to Use-After-Free UAF bugs at the binary level. It aims to detect UAF bugs, which appear when a heap element is used after having been freed. The tool uses a combination of static...

COM-Code-Helper - Two IDAPython Scripts Help You To Reconstruct Microsoft COM (Component Object Model) Code

Two IDAPython Scripts help you to reconstruct Microsoft COM Component Object Model Code Especially malware reversers will find this useful, as COM Code is still regularly found in malware. ClassAndInterfaceToNames.py This IDAPython script scans an idb file for class and interfaces UUIDs and creat...

kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c

A memory leak problem was found in ipmibmcregister in drivers/char/ipmi/ipmimsghandler.c in Intelligent Platform Management Interface IPMI which is used for incoming and outgoing message routing purpose. This flaw may allow an attacker with minimal privilege to cause a denial of service by...

Talos tools of the trade

By Andrea Marcelli and Holger Unterbrink. If you're looking for something to keep you busy while we're all stuck inside during the holidays, Cisco Talos has a few tools for you you can play with in the coming days and weeks. We recently updated GhIDA to work with the latest version of IDA and we...

Reverse Engineering Tools: Evaluating the True Cost

When sourcing software for business needs, what criteria should you follow? Price typically tops the list. And sure, free software, like the Linux OS, delivers cost savings, stability, flexibility and ongoing development. No argument there. But when it comes to decompilers, which are used for...

kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c

A memory leak problem was found in ipmibmcregister in drivers/char/ipmi/ipmimsghandler.c in Intelligent Platform Management Interface IPMI which is used for incoming and outgoing message routing purpose. This flaw may allow an attacker with minimal privilege to cause a denial of service by...

kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c

A memory leak problem was found in ipmibmcregister in drivers/char/ipmi/ipmimsghandler.c in Intelligent Platform Management Interface IPMI which is used for incoming and outgoing message routing purpose. This flaw may allow an attacker with minimal privilege to cause a denial of service by...

kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c

A memory leak problem was found in ipmibmcregister in drivers/char/ipmi/ipmimsghandler.c in Intelligent Platform Management Interface IPMI which is used for incoming and outgoing message routing purpose. This flaw may allow an attacker with minimal privilege to cause a denial of service by...

Iblessing - An iOS Security Exploiting Toolkit, It Mainly Includes Application Information Collection, Static Analysis And Dynamic Analysis

iblessing iblessing is an iOS security exploiting toolkit, it mainly includes application information collection , static analysis and dynamic analysis. iblessing is based on unicorn engine and capstone engine. Features Cross-platform: Tested on macOS and Ubuntu. iOS App static info extract,...

UEFI_RETool - A Tool For UEFI Firmware Reverse Engineering

A tool for UEFIfirmware reverse engineering. UEFI firmware analysis withuefiretool.py script Usage: Copy idaplugin/uefianalyser.py script and idaplugin/uefianalyser directory to IDA plugins directory Edit config.json file PEDIR is a directory that contains all executable images from the UEFI...

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...

How to unc0ver a 0-day in 4 hours or less

By Brandon Azad, Project Zero At 3 PM PDT on May 23, 2020, the unc0ver jailbreak was released for iOS 13.5 the latest signed version at the time of release using a zero-day vulnerability and heavy obfuscation. By 7 PM, I had identified the vulnerability and informed Apple. By 1 AM, I had sent App...

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...

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...

Thinking Outside the Bochs: Code Grafting to Unpack Malware in Emulation

This blog post continues the FLARE script series with a discussion of patching IDA Pro database files IDBs to interactively emulate code. While the fastest way to analyze or unpack malware is often to run it, malware won’t always successfully execute in a VM. I use IDA Pro’s Bochs integration in...

PT-2020-20605 · Isomorphic · Smartclient

Name of the Vulnerable Software and Affected Versions: SmartClient version 12.0 Description: An issue was discovered in SmartClient where an unauthenticated attacker can make a POST request to "/tools/developerConsoleOperations.jsp" or "/isomorphic/IDACall" with malformed XML data in the...

Cisco Prime Infrastructure runrshell Local Privilege Escalation Vulnerability

Cisco Prime Infrastructure CPI is a wired and wireless network management software suite that consists of different networking applications from Cisco Systems. The system is used across various industries, from healthcare, manufacturing, government, IT, etc. A vulnerability was found in the...