# ttd

Published articles for ttd.

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## Introduction to SpiderMonkey exploitation.

DevFeed: [Introduction to SpiderMonkey exploitation.](<https://devfeed.tech/articles/introduction-to-spidermonkey-exploitation-39707.md>)

Original publisher: [Read original article](<https://doar-e.github.io/blog/2018/11/19/introduction-to-spidermonkey-exploitation/>)

Author: Axel "0vercl0k" Souchet

Published: 2018-11-19T16:25:00Z

Content type: article

Language: en

Sources: [Diary of a reverse-engineer](<https://devfeed.tech/sources/diary-of-a-reverse-engineer.md>)

Topics: [Exploit](<https://devfeed.tech/topics/exploit.md>), [spidermonkey](<https://devfeed.tech/topics/spidermonkey.md>), [Firefox](<https://devfeed.tech/topics/firefox.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [JIT](<https://devfeed.tech/topics/jit.md>), [Windows](<https://devfeed.tech/topics/windows.md>), [Shell](<https://devfeed.tech/topics/shell.md>), [ctf](<https://devfeed.tech/topics/ctf.md>)

Tags: [blazefox](<https://devfeed.tech/tags/blazefox.md>), [ctf](<https://devfeed.tech/tags/ctf.md>), [exploit](<https://devfeed.tech/tags/exploit.md>), [exploitation](<https://devfeed.tech/tags/exploitation.md>), [firefox](<https://devfeed.tech/tags/firefox.md>), [interpreter](<https://devfeed.tech/tags/interpreter.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [jit](<https://devfeed.tech/tags/jit.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [payload](<https://devfeed.tech/tags/payload.md>), [spidermonkey](<https://devfeed.tech/tags/spidermonkey.md>), [ttd](<https://devfeed.tech/tags/ttd.md>), [windows](<https://devfeed.tech/tags/windows.md>)

### AI overview

This blog post explains the development of three exploits targeting the SpiderMonkey JavaScript engine and Mozilla Firefox on 64-bit Windows. It progresses from a WinDbg JavaScript extension and a build-specific interpreter exploit to dynamically resolving targets and using the baseline JIT to generate ROP gadgets or native code payloads.

### Source excerpt

Introduction This blogpost covers the development of three exploits targeting SpiderMonkey JavaScript Shell interpreter and Mozilla Firefox on Windows 10 RS5 64-bit from the perspective of somebody that has never written a browser exploit nor looked closely at any JavaScript engine codebase. As you have probably noticed, there has been ...

## Debugger data model, Javascript & x64 exception handling

DevFeed: [Debugger data model, Javascript & x64 exception handling](<https://devfeed.tech/articles/debugger-data-model-javascript-x64-exception-handling-39703.md>)

Original publisher: [Read original article](<https://doar-e.github.io/blog/2017/12/01/debugger-data-model/>)

Author: Axel "0vercl0k" Souchet

Published: 2017-12-01T14:59:00Z

Content type: tutorial

Language: en

Sources: [Diary of a reverse-engineer](<https://devfeed.tech/sources/diary-of-a-reverse-engineer.md>)

Topics: [debugging](<https://devfeed.tech/topics/debugging.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Exception handling](<https://devfeed.tech/topics/exception-handling.md>), [Microsoft](<https://devfeed.tech/topics/microsoft.md>), [Tooling](<https://devfeed.tech/topics/tooling.md>), [Reverse Engineering](<https://devfeed.tech/topics/reverse-engineering.md>)

Tags: [debugging](<https://devfeed.tech/tags/debugging.md>), [debugging-tools](<https://devfeed.tech/tags/debugging-tools.md>), [exception](<https://devfeed.tech/tags/exception.md>), [exception-handling](<https://devfeed.tech/tags/exception-handling.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [microsoft](<https://devfeed.tech/tags/microsoft.md>), [reverse-engineering](<https://devfeed.tech/tags/reverse-engineering.md>), [seh](<https://devfeed.tech/tags/seh.md>), [time-travel-debugging](<https://devfeed.tech/tags/time-travel-debugging.md>), [ttd](<https://devfeed.tech/tags/ttd.md>), [windbg](<https://devfeed.tech/tags/windbg.md>)

### AI overview

This tutorial explores the WinDbg Preview debugger data model, JavaScript extensions, and Microsoft's time travel debugging tools. It explains how these features can be used to enumerate x64 try/except handlers in JavaScript.

### Source excerpt

Introduction The main goal of today's post is to show a bit more of what is now possible with the latest Windbg (currently branded "WinDbg Preview" in the Microsoft store) and the time travel debugging tools that Microsoft released a few months ago. When these finally got released, a bit ...