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A family of instruction set architectures based on a RISC architecture developed by British company ARM Holdings. Heavily used in embedded devices such as mobile phones, tablets, set-top boxes, ...
2
votes
0
answers
115
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Understanding Hex-Rays syntax
I have a Ida decompiled function that invokes another function through a function pointer but I'm really confused how it calculates it's address. I'm new to hex-rays syntax.
int __fastcall SUB_XXXX(in …
0
votes
0
answers
128
views
Emulator that emulates arm hardware
I want to hook arm instructions as they executes but most of the emulators are based on VirtualBox that uses houdini to translate arm instructions to x86, and i really can't hook a native JNI lib, moreover …
1
vote
0
answers
1k
views
Instruction trace using frida in android emulator
i have a emulator named "Ldplayer" in my windows os and I'm trying to log all instructions executed by the app that uses ARM JNI libraries. basically, the app is running in an x86 emulator and only has … arm JNI Libs, so emulation is used for the ARM Libs.
import frida, sys
ss = """
Java.perform(function() {
const System = Java.use('java.lang.System');
const Runtime = Java.use('java.lang.Runtime …
1
vote
0
answers
188
views
Replacing bytes from start of every function with IDA Pro
It's an ARM 32 shared library, I know it doesn't matter here but specified for goodness sake. …