ipwndfu/rmsigchecks_t7000.py at master · exploit3dguy/ipwndfu · GitHub

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#!/usr/bin/env python

import dfu
import usbexec

DFU_ABORT = 4
HOST2DEVICE = 0x21

SIG_CHECKS_1 = 0x1000078B4
SIG_CHECKS_2 = 0x1000078C0
SIG_CHECKS_3 = 0x1000078E4
SIG_CHECKS_4 = 0x100007BAC
SIG_CHECKS_5 = 0x1800888C4

pwnd_device = usbexec.PwnedUSBDevice()
device = dfu.acquire_device()

# Remove sigchecks

# 0x1111 nonce

pwnd_device.write_memory(0x20E029038, "\x11\x11\x11\x11")
pwnd_device.write_memory(0x20E02903C, "\x11\x11\x11\x11")

pwnd_device.write_memory(SIG_CHECKS_1, "\x1F\x20\x03\xD5")
pwnd_device.write_memory(SIG_CHECKS_2, "\x1F\x20\x03\xD5")
pwnd_device.write_memory(SIG_CHECKS_3, "\x1F\x20\x03\xD5")
pwnd_device.write_memory(SIG_CHECKS_4, "\x1F\x20\x03\xD5")
pwnd_device.write_memory(SIG_CHECKS_5, "\x00\x00\x00\x00")


# Reset USB connection

device.ctrl_transfer(HOST2DEVICE, DFU_ABORT, 0, 0, 0, 0)

dfu.usb_reset(device)
dfu.release_device(device)

# All done

print 'Removed SecureROM Signature Checks.'