Reverse Engineering Questions, Problems & Solutions : TransWikia.com ~ Page 27

How can i extract u-boot image from fgt90d.out firmware and install Openwrt image?

I have a lot of out of licensed Fortigate90D devices so i want to reuse and run Openwrt/pfsense on them.I have dumped and decoded the bios and got some...

Asked on 03/11/2021 by hergeleci

0 answer

Advanced Anti-Debugging Techniques

I was wondering what are some advanced AntiDebugging techniques that more advanced than the basic ones like IsDebuggerPresent and CheckRemoteDebuggerPresent?...

Asked on 03/10/2021 by 0x58

1 answer

How to check in IDApython that if a call is an API/Library call or not?

I want to check for every call instruction whether its an API call or library call (statically linked that flirt recognized) The only solution i found is this : ...

Asked on 03/10/2021

0 answer

Remapping Branch Instructions After Obfuscation

Recently I've been working on a project. I've already got a hint for a problem that I had here: (Garbage Assembly Code Generationat at random offsets)however, the accepted...

Asked on 03/07/2021 by rustam Shirinov

0 answer

HexRay API - Programatically rebaseing program on firmware

I am working on several firmwares (mostly ARM and PPC) that have no structure that IDA can decipher and so far I have been guessing BASE address until the functions...

Asked on 03/06/2021

0 answer

How to read firmware from an STC microcontroller?

I have some printed circuit boards of a device that is no longer manufactured. I need to repair these boards but there is no replacement for them. I can make...

Asked on 03/04/2021

2 answer

What is a non-virtual thunk?

In real code I have encountered some "non-virtual thunk" functions:; `non-virtual thunk to'QTextCodecPlugin::create(QString const&) EXPORT _ZThn8_N16QTextCodecPlugin6createERK7QString_ZThn8_N16QTextCodecPlugin6createERK7QString SUB.W R0, R0, #8 ...

Asked on 03/03/2021 by 18446744073709551615

2 answer

Reverse engineer compressed iOS app file

I want to find out the compression method used by an iOS app used for music notation to store its files. The files of its OSX counterpart are zipped files....

Asked on 03/03/2021

1 answer

how to calculate max possible stack size utilization

Is there any elegant way to calculate the maximum possible stack depth utilization of a program, using IDAPython? currently my best approach is iterating through all functions and counting stack-increasing...

Asked on 03/03/2021 by Yoav Danieli

1 answer

Checking if a call is a API/Library call in IDApython?

I asked the question a while ago but found no answer so I'm trying my luck again the only solution is this : Finding all API calls in a...

Asked on 03/02/2021

0 answer

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