Update 'find_data_ptr.py'

main
gmh5225 2 years ago
parent 20b24010c9
commit f1a7e02520

@ -1,64 +1,64 @@
import idautils
import idc
import idaapi
# Get the start and end addresses of .data segment
data_seg = idaapi.get_segm_by_name('.data')
if data_seg:
data_start, data_end = data_seg.start_ea, data_seg.end_ea
else:
print("Error: .data segment not found.")
exit()
global_vars = {}
# Traverse all functions in the IDB
for function_ea in idautils.Functions():
# Traverse all instruction addresses in the current function
for instruction_ea in idautils.FuncItems(function_ea):
# Check if the instruction operates on a memory location
if idc.is_loaded(idc.get_operand_value(instruction_ea, 1)):
# Get the segment address of the memory location
seg_ea = idaapi.getseg(idc.get_operand_value(instruction_ea, 1)).start_ea
# Check if the segment is the .data segment
if seg_ea == data_start:
# Get the name of the global variable being accessed
global_var_name = idc.get_name(idc.get_operand_value(instruction_ea, 1))
# If the global variable is not already in the dictionary, add it
if global_var_name not in global_vars:
global_vars[global_var_name] = {'refs': [], 'calls': []}
# Add the current instruction address to the list of references for the current global variable
global_vars[global_var_name]['refs'].append(instruction_ea)
# Check if the next instruction is a call instruction
if idaapi.is_call_insn(instruction_ea + idaapi.get_item_size(instruction_ea)):
# Get the address being called
call_instr_ea = instruction_ea + idaapi.get_item_size(instruction_ea)
call_ea = idc.get_operand_value(call_instr_ea, 0)
# If the call is to a function, add it to the list of calls for the current global variable
if idaapi.get_func(call_ea):
global_vars[global_var_name]['calls'].append((call_ea, call_instr_ea))
# Output the results to the console
for global_var_name, info_dict in global_vars.items():
print(".data ptr: %s" % global_var_name)
if info_dict['refs']:
print(" References:")
for ref_ea in info_dict['refs']:
func = idaapi.get_func(ref_ea)
func_ea = func.start_ea
func_name = idaapi.get_func_name(func_ea)
print(" 0x%x in function %s" % (ref_ea, func_name))
if info_dict['calls']:
print(" Calls:")
for call_ea, call_instr_ea in info_dict['calls']:
unc = idaapi.get_func(call_ea)
func_ea = func.start_ea
func_name = idaapi.get_func_name(func_ea)
print(" Function %s (called at: 0x%x)" % (func_name, call_instr_ea))
import idautils
import idc
import idaapi
# Get the start and end addresses of .data segment
data_seg = idaapi.get_segm_by_name('.data')
if data_seg:
data_start, data_end = data_seg.start_ea, data_seg.end_ea
else:
print("Error: .data segment not found.")
exit()
global_vars = {}
# Traverse all functions in the IDB
for function_ea in idautils.Functions():
# Traverse all instruction addresses in the current function
for instruction_ea in idautils.FuncItems(function_ea):
# Check if the instruction operates on a memory location
if idc.is_loaded(idc.get_operand_value(instruction_ea, 1)):
# Get the segment address of the memory location
seg_ea = idaapi.getseg(idc.get_operand_value(instruction_ea, 1)).start_ea
# Check if the segment is the .data segment
if seg_ea == data_start:
# Get the name of the global variable being accessed
global_var_name = idc.get_name(idc.get_operand_value(instruction_ea, 1))
# If the global variable is not already in the dictionary, add it
if global_var_name not in global_vars:
global_vars[global_var_name] = {'refs': [], 'calls': []}
# Add the current instruction address to the list of references for the current global variable
global_vars[global_var_name]['refs'].append(instruction_ea)
# Check if the next instruction is a call instruction
if idaapi.is_call_insn(instruction_ea + idaapi.get_item_size(instruction_ea)):
# Get the address being called
call_instr_ea = instruction_ea + idaapi.get_item_size(instruction_ea)
call_ea = idc.get_operand_value(call_instr_ea, 0)
# If the call is to a function, add it to the list of calls for the current global variable
if idaapi.get_func(call_ea):
global_vars[global_var_name]['calls'].append((call_ea, call_instr_ea))
# Output the results to the console
for global_var_name, info_dict in global_vars.items():
print(".data ptr: %s" % global_var_name)
if info_dict['refs']:
print(" References:")
for ref_ea in info_dict['refs']:
func = idaapi.get_func(ref_ea)
func_ea = func.start_ea
func_name = idaapi.get_func_name(func_ea)
print(" 0x%x in function %s" % (ref_ea, func_name))
if info_dict['calls']:
print(" Calls:")
for call_ea, call_instr_ea in info_dict['calls']:
func = idaapi.get_func(call_ea)
func_ea = func.start_ea
func_name = idaapi.get_func_name(func_ea)
print(" Function %s (called at: 0x%x)" % (func_name, call_instr_ea))

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