本文整理匯總了Python中idaapi.patch_bytes方法的典型用法代碼示例。如果您正苦於以下問題：Python idaapi.patch_bytes方法的具體用法？Python idaapi.patch_bytes怎麽用？Python idaapi.patch_bytes使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類idaapi的用法示例。
在下文中一共展示了idaapi.patch_bytes方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: btn_save_on_click
# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import patch_bytes [as 別名]
def btn_save_on_click(self):
flags = 0
if self.f_prev_inuse.isChecked():
flags |= PREV_INUSE
if self.f_is_mmaped.isChecked():
flags |= IS_MMAPPED
if self.f_non_main_arena.isChecked():
flags |= NON_MAIN_ARENA
try:
size = eval(self.t_size.text())
size |= flags
fd = eval(self.t_fd.text())
bk = eval(self.t_bk.text())
fd_nextsize = eval(self.t_fd_nextsize.text())
bk_nextsize = eval(self.t_bk_nextsize.text())
self.chunk.size = size
self.chunk.fd = fd
self.chunk.bk = bk
self.chunk.fd_nextsize = fd_nextsize
self.chunk.bk_nextsize = bk_nextsize
idaapi.patch_bytes(self.addr, self.chunk.data)
idaapi.info("Chunk saved")
self.done(1)
except Exception as e:
idaapi.warning("ERROR: " + str(e))
# ----------------------------------------------------------------------- 示例2: write_memory
# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import patch_bytes [as 別名]
def write_memory(start, data, destructive=False):
if destructive:
idaapi.put_bytes(start, data)
else:
idaapi.patch_bytes(start, data) 示例3: hook
# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import patch_bytes [as 別名]
def hook(self, hook_addr = 0):
"""
Args:
hook_addr(int): address for inline hook code, 0 indicates bpt hook.
Returns:
memory size in bytes used for inline hook.
"""
self.hook_addr = hook_addr
self.func_addr = idc.get_name_ea_simple(self.name)
if self.func_addr == 0:
return 0
print("Hooking %s at 0x%x" % (self.name, self.func_addr))
if self.hook_addr == 0:
idc.add_bpt(self.func_addr)
idc.set_bpt_cond(self.func_addr, self.bpt_cond_hook_code)
return 0
else:
# assemble jmp code
jmp_code = "jmp 0x%x" % self.hook_addr
jmp_buf, _ = assemble(jmp_code, self.func_addr)
# read function prologue according to jmp code length
# NOTE: instructions like 'call $+5' in prologue will
# cause problems.
insn = idaapi.insn_t()
move_length = 0
while move_length < len(jmp_buf):
idaapi.decode_insn(insn, self.func_addr + move_length)
move_length += insn.size
prologue = idaapi.get_bytes(self.func_addr, move_length)
# write jmp code
idaapi.patch_bytes(self.func_addr, jmp_buf)
# assmble hook code
hook_buf, _ = assemble(self.inline_hook_code, self.hook_addr)
hook_buf += prologue
jmp_back_code = 'jmp 0x%x' % (self.func_addr + move_length)
jmp_back_buf, _ = assemble(jmp_back_code, self.hook_addr + len(hook_buf))
hook_buf += jmp_back_buf
# wirte hook code
idaapi.patch_bytes(self.hook_addr, hook_buf)
return len(hook_buf) 示例4: patch_call
# 需要導入模塊: import idaapi [as 別名]
# 或者: from idaapi import patch_bytes [as 別名]
def patch_call(va, new_nm):
"""Patch the call at @va to target @new_nm.
Args:
va (numbers.Integral): Address of the call site
new_nm (str): Name of the new call destination
Returns:
bool: True if successful
"""
is_call = idc.print_insn_mnem(va) == 'call'
if is_call:
opno = 0
new_asm = 'call %s' % (new_nm)
else:
logger.warn('Not a call instruction at %s' % (phex(va)))
return False
# Already done?
if idc.print_operand(va, opno) == new_nm:
return True
ok, code = idautils.Assemble(va, new_asm)
if not ok:
logger.warn('Failed assembling %s: %s' % (phex(va), new_asm))
return False
orig_opcode_len = idc.get_item_size(va)
new_code_len = len(code)
if orig_opcode_len < new_code_len:
logger.warn('Not enough room or wrong opcode type to patch %s: %s' %
(phex(va), new_asm))
return False
# If we actually have too much room, then add filler
if orig_opcode_len > new_code_len:
delta = orig_opcode_len - new_code_len
code += '\x90' * delta
idaapi.patch_bytes(va, code)
return True