fridaMemoryAccessTrace
android memory access trace utility powered by frida framework
Start
usage: main.py [-h] -l LENGTH [-n NAME] [-lp] (-b BREAK | -o OFFSET | -s SYMBOL)
optional arguments:
-h, --help show this help message and exit
-l LENGTH, --length LENGTH
breakpoint length can not over pagesize
-n NAME, --name NAME process name
-lp, --listproc list process
-b BREAK, --break BREAK
absolute address, eg. 0x12345678
-o OFFSET, --offset OFFSET
relative address, eg. libxxx.so@0x1234
-s SYMBOL, --symbol SYMBOL
get address by symbol eg. libxxx.so@test_value
Test Native Code
_Noreturn void* thread_1(void * arg){
while (true){
for (int i =0;i<4;i++){
*((char *)&test_value+i) = *((char *)&my_test+i);
}
test_value++;
sleep(1);
}
}
pthread_create(&thread1, nullptr, thread_1, nullptr);Test example
- need to install hexdump module
#64 bit architecture
adb install -t ./app-debug64.apk
python3 ./main.py -s libnative-lib.so@test_value -l 4 -n "My Application"
#32 bit architecture
adb install -t ./app-debug32.apk
python3 ./main.py -s libmyapplication32.so@test_value -l 4 -n MyApplication3264 bit architecture
32 bit architecture
Known problem
- crash probably when multi thread access
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