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fixobjc idc script for IDA Pro

2013年1月5日 2 条评论

This is an attempt to improve the original fixobjc.idc script by Willem Jan Hengeveld.
For now it’s only compatible with Mach-O 32bits binaries for Mac OS X.
My goal is to make it compatible with all Mac OS X and iOS binaries.
fG!

Link:https://github.com/gdbinit/fixobjc

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IDA Create Unicode String（English）

2012年12月28日没有评论

IDA对Unicode的处理不能说很烂，但是有的时候却比较蛋疼。例如神马中文之类的，但是除此之外，对于英文的字符串处理在部分地方也是有问题的，例如上面的内容。

同样在idb刚创建的时候对于unicode字符串的解析也存在问题，例如下面的内容：

真正的字符串内容应该是ReadFromRegistry。但是ida很蛋疼的把第一个R当作dw给处理掉了，于是剩下了一个眉头的身子。

在创建string之后默认是采用的当前idb数据库的字符串格式，如果想要创建正确的字符串需要用到SetAsciiStyle（http://www.hex-rays.com/products/ida/support/idadoc/613.shtml）。

破解/汇编『Crack/Asm』

IDA Pro 6.3 ELF Anti-Debugging / Reversing Patcher

2012年12月26日没有评论

/*
*
* IDA Pro 6.3 (crash due an internal error)
* ELF anti-debugging/reversing patcher
*
* Published @ IOActive Labs Research blog:
* http://blog.ioactive.com/2012/12/striking-back-gdb-and-ida-debuggers.html
*
* - nitr0us [ http://twitter.com/nitr0usmx ]
*
* Tested under:
* IDA Pro Starter License 6.3.120531 (Mac OS X)
* IDA Pro Demo 6.3.120730 (Ubuntu Linux 9.04)
* IDA Pro Demo 6.3.120730 (Mac OS X 10.7.3)
* IDA Pro Demo 6.3.120730 (Windows Vista Home Premium SP2)
*
* Bug found using Frixyon fuzzer (my ELF file format fuzzer still in development)
*
* Timeline:
* 21/11/2012 The bug was found on IDA Demo 6.3
* 22/11/2012 The bug was tested on IDA Pro Starter License 6.3.120531 (32-bit)
* 22/11/2012 The bug was reported through the official Hex-Rays contact emails
* 23/11/2012 Hex-Rays replied and agreed that the bug leads to an unrecoverable
* state and it will be fixed on the next release
*

**************** TECHNICAL DETAILS ***********************
nitr0us@burial:~$ gdb -q idaq
(gdb) r a.out
(no debugging symbols found) 

Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 0xb6860760 (LWP 3638)]
0xb55f7694 in default_notification_handler (reader=@0xbfbffae0,
 notif=reader_t::err_shstrndx) at reader.cpp:33
33 reader.cpp: No such file or directory.
 in reader.cpp
Current language: auto; currently c++
(gdb)

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