HookCase

HookCase HookCase 是一款用于调试和逆向工程 macOS（即 OS X）应用程序以及操作系统本身的工具。它重新实现并扩展了 Apple 的 DYLDINSERTLIBRARIES 功能。它可以钩取任何模块中的任何方法（即使是未导出的方法，甚至是在其自身模块的符号表中没有条目方法）。在一次操作中，它可以应用于父进程及其所有子进程，无论子进程是否继承其父进程的环境。它支持监视点（watchpoints）。因此，HookCase 比 DYLDINSERTLIBRARIES 强大得多。它也没有 Apple 对 DYLDINSERTLIBRARIES 施加的限制。例如，HookCa...

CVE-2019-9857

A flaw in the inotify subsystem can allow a local attacker to create a denial of service DOS situation in which the memory use of watches on existing watchpoints were not accounted for correctly...

WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free

WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free / While fuzzing JavaScriptCore, I encountered the following simplified and commented JavaScript program which crashes jsc from current HEAD and release: / function v9 // Some watchpoint on the LexicalEnvironment is triggered he...

WebKit JavaScriptCore - createRegExpMatchesArray Type Confusion

WebKit JavaScriptCore - createRegExpMatchesArray Type Confusion / Prerequisites ------------- In JavaScriptCore, JSObjects have an associated Structure: an object describing various aspects of the JSObject such as its type, its properties, and the type of elements being stored e.g. unboxed double...

WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free

/ While fuzzing JavaScriptCore, I encountered the following simplified and commented JavaScript program which crashes jsc from current HEAD and release: / function v9 // Some watchpoint on the LexicalEnvironment is triggered here // during the 2nd invocation which jettisons the CodeBlock for v9. ...

WebKit JavaScriptCore - 'createRegExpMatchesArray' Type Confusion

/ Prerequisites ------------- In JavaScriptCore, JSObjects have an associated Structure: an object describing various aspects of the JSObject such as its type, its properties, and the type of elements being stored e.g. unboxed double or JSValues. Whenever a property is added to an object or some...

WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free Exploit

WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free Exploit / While fuzzing JavaScriptCore, I encountered the following simplified and commented JavaScript program which crashes jsc from current HEAD and release: / function v9 // Some watchpoint on the LexicalEnvironment is...

rVMI: Perform Full System Analysis with Ease

Manual dynamic analysis is an important concept. It enables us to observe the behavior of a sophisticated malware sample or exploit by executing it in a controlled environment. The information gathered through this process is often crucial in gaining a full understanding of a sample. When...