56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
import os
|
||
from idaapi import *
|
||
from idautils import *
|
||
from idc import *
|
||
|
||
def export_func_asm(file_name,func_addr):
|
||
try:
|
||
with open(file_name,"w+") as f:
|
||
func_ea=get_func(func_addr)#获取有效函数地址对象
|
||
func_name=get_func_name(func_addr)#获取函数名称
|
||
f.write(f"Assembly for function {func_name} start:0x{func_ea.start_ea:x} end:0x{func_ea.end_ea:x}\n")
|
||
for ea in Heads(func_ea.start_ea,func_ea.end_ea):#遍历
|
||
asm_line=generate_disasm_line(ea,GENDSM_REMOVE_TAGS)#提取汇编，去除标签
|
||
f.write(f"0x{ea:x}: {asm_line}\n")
|
||
except Exception as msg:
|
||
with open("my.log","a+") as f:#报错日志写入
|
||
f.write(f"export_func_asm {func_name} -> {msg}")
|
||
|
||
def export_func(extractfile):
|
||
if(extractfile is None):exit(-1)
|
||
save_dir="result"
|
||
asm_file=save_dir+"/"+extractfile
|
||
func_file=save_dir+"/"+extractfile+"_extract.c"
|
||
try:
|
||
with open(func_file,"w") as file:
|
||
for func_addr in Functions():#迭代器编译所有函数
|
||
func_name=get_func_name(func_addr)#获取函数名称
|
||
if(func_name in BLACK_LIST):continue#黑名单处理
|
||
func_seg=getseg(func_addr)#获取函数段
|
||
if(func_seg.name!=7 or func_seg.perm !=5):continue #去除其他段函数
|
||
tmp_filename=asm_file+"_"+func_name+".asm"
|
||
export_func_asm(tmp_filename,func_addr) #提取函数汇编
|
||
code=decompile(func_addr) #反编译，提取c
|
||
if code :
|
||
file.write(f"//Function: {func_name} ->0x{func_addr} {func_seg.name} perm->{func_seg.perm}\n")
|
||
file.write(str(code)+"\n\n") #写入文件
|
||
except Exception as msg:
|
||
with open("my.log","a+") as f:
|
||
f.write(f"export_func {func_file} -> {msg}")
|
||
#函数黑名单
|
||
BLACK_LIST={
|
||
"_start","_dl_relocate_static_pie",
|
||
"deregister_tm_clones","register_tm_clones",
|
||
"__do_global_dtors_aux","frame_dummy",
|
||
}
|
||
def main():
|
||
extractfile="extract.c"
|
||
filepath="tmp.txt"
|
||
if (os.path.exists(filepath) and os.path.isfile(filepath) ):
|
||
with open(filepath,"r") as f:
|
||
extractfile=f.read()
|
||
export_func(extractfile)
|
||
|
||
if __name__ == "__main__":
|
||
main()
|
||
idaapi.qexit(0) |