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How to use the pin.get_pointer function in pin

To help you get started, we’ve selected a few pin examples, based on popular ways it is used in public projects.

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github blankwall / Python_Pin / examples / heap_check_uaf.py View on Github external
def malloc_after(everything):
    global last_allocated_size
    address = everything['return']
    #print "MALLOC " + hex((pin.get_pointer(everything['reg_gax'])))

    pin.set_pointer((pin.get_pointer(everything['reg_gax'])), last_allocated_size)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+16+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+24+8, canary)
    pin.set_pointer((pin.get_pointer(everything['reg_gax'])+last_allocated_size+32+8), canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8+last_allocated_size+32+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+16+last_allocated_size+32+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+24+last_allocated_size+32+8, canary)

    pin.set_pointer(everything['reg_gax'], pin.get_pointer(everything['reg_gax'])+guard_size)
github blankwall / Python_Pin / examples / heap_check_uaf.py View on Github external
def free(everything):
    global low,high
    #print "FREE " + hex(everything['arg_0'])
    addr = everything['arg_0']
    if addr == 0:
        return

    size = pin.get_pointer(pin.get_pointer(everything['reg_gdi'])-guard_size)
    free_list.append((addr,size+guard_size))

    if low == -1:
        low = addr
    high = addr+size+guard_size
    pin.set_pointer(everything['reg_gdi'], 0)
github blankwall / Python_Pin / examples / heap_check_uaf.py View on Github external
def realloc_after(everything):
    global real
    if real == 1:
        pin.set_pointer((pin.get_pointer(everything['reg_gax'])), last_allocated_size)
        pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8, canary)
        pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8+8, canary)
        pin.set_pointer(pin.get_pointer(everything['reg_gax'])+16+8, canary)
        pin.set_pointer(pin.get_pointer(everything['reg_gax'])+24+8, canary)
        pin.set_pointer((pin.get_pointer(everything['reg_gax'])+last_allocated_size+32+8), canary)
        pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8+last_allocated_size+32+8, canary)
        pin.set_pointer(pin.get_pointer(everything['reg_gax'])+16+last_allocated_size+32+8, canary)
        pin.set_pointer(pin.get_pointer(everything['reg_gax'])+24+last_allocated_size+32+8, canary)

        pin.set_pointer(everything['reg_gax'], pin.get_pointer(everything['reg_gax'])+40)
    real = 0
github blankwall / Python_Pin / examples / heap_check_uaf.py View on Github external
def malloc_after(everything):
    global last_allocated_size
    address = everything['return']
    #print "MALLOC " + hex((pin.get_pointer(everything['reg_gax'])))

    pin.set_pointer((pin.get_pointer(everything['reg_gax'])), last_allocated_size)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+16+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+24+8, canary)
    pin.set_pointer((pin.get_pointer(everything['reg_gax'])+last_allocated_size+32+8), canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+8+last_allocated_size+32+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+16+last_allocated_size+32+8, canary)
    pin.set_pointer(pin.get_pointer(everything['reg_gax'])+24+last_allocated_size+32+8, canary)

    pin.set_pointer(everything['reg_gax'], pin.get_pointer(everything['reg_gax'])+guard_size)
github blankwall / Python_Pin / examples / heap_check_uaf.py View on Github external
def realloc_before(everything):
    global last_allocated_size
    global hit, real
    if hit == 1:
        hit = 0
    else:
        name = pin.get_pointer(everything["reg_gdi"])
        size = pin.get_pointer(everything["reg_gsi"])
        if((size) == 0):
            pin.set_pointer(everything['reg_gdi'], 0)
            pin.set_pointer(everything['reg_gsi'], 0)
        elif(int(name) == 0):
            return
        else:
            last_allocated_size = everything['arg_1']
            pin.set_pointer(everything['reg_gsi'], pin.get_pointer(everything['reg_gsi'])+guard_size*2)
            pin.set_pointer(everything['reg_gdi'], pin.get_pointer(everything['reg_gdi'])-(guard_size))
            real = 1
        hit = 1

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