112 lines
4.5 KiB
Python
112 lines
4.5 KiB
Python
# -*- coding: UTF-8 -*-
|
||
import os
|
||
import sys
|
||
from matplotlib import pyplot as plt
|
||
import networkx as nx
|
||
|
||
import hashlib
|
||
import json
|
||
|
||
|
||
def calc_sha256(file_path):
|
||
with open(file_path, 'rb') as f:
|
||
bytes = f.read()
|
||
sha256obj = hashlib.sha256(bytes)
|
||
sha256 = sha256obj.hexdigest()
|
||
return sha256
|
||
|
||
|
||
import pickle
|
||
|
||
# sub_10F20 308 反编译代码有字符串，但是这个特征提取里没有字符串 constant，可能是间接引用的，不识别。看了下所有函数的特征，几乎都没有字符串常量，可能都是写在别的地方然后引用的。
|
||
# sub_166C4 393
|
||
|
||
|
||
|
||
if __name__ == '__main__':
|
||
done_index = 0
|
||
file_name_list = os.listdir('../A2C/')
|
||
res_file = "../sample.jsonl"
|
||
sample_file = open(res_file, mode='a')
|
||
for file_name in file_name_list:
|
||
print file_name
|
||
file_path = '../A2C/' + file_name
|
||
testpath = '../store/' + file_name + '.ida'
|
||
if os.path.exists(testpath) and os.path.splitext(file_path)[-1].lower() == '.exe':
|
||
fr = open(testpath, 'r')
|
||
data1 = pickle.load(fr) # 一个二进制文件的acfgs
|
||
# funtion num
|
||
function_number = len(data1.raw_graph_list)
|
||
if function_number == 0:
|
||
continue
|
||
# function_edges
|
||
function_edge_start = []
|
||
function_edge_end = []
|
||
for item in data1.raw_graph_list[0].old_g.edges:
|
||
function_edge_start.append(item[0])
|
||
function_edge_end.append(item[1])
|
||
function_edges = [function_edge_start, function_edge_end]
|
||
fun_name_temp = []
|
||
# function hsah
|
||
file_hash = calc_sha256(file_path)
|
||
|
||
acfg_list = []
|
||
# 函数级特征
|
||
for i in range(len(data1.raw_graph_list)):
|
||
|
||
# function name
|
||
fun_name_temp.append(data1.raw_graph_list[i].funcname)
|
||
# block features
|
||
temp_G = data1.raw_graph_list[i].old_g
|
||
# block_number
|
||
block_number = len(temp_G.node)
|
||
# block_features
|
||
acfg_list_item_feature = []
|
||
for temp in range(len(temp_G.node)):
|
||
block_features = []
|
||
# call
|
||
block_features.append(temp_G.node[temp]['numCalls'])
|
||
# transfer
|
||
block_features.append(temp_G.node[temp]['numTIs'])
|
||
# arithmetic
|
||
block_features.append(temp_G.node[temp]['numAs'])
|
||
# logic
|
||
block_features.append(temp_G.node[temp]['numLIs'])
|
||
# compare
|
||
block_features.append(temp_G.node[temp]['numCom'])
|
||
# move
|
||
block_features.append(temp_G.node[temp]['numMov'])
|
||
# termination
|
||
block_features.append(temp_G.node[temp]['numTerm'])
|
||
# date declaration
|
||
block_features.append(temp_G.node[temp]['numDD'])
|
||
# total instructions
|
||
block_features.append(temp_G.node[temp]['numIns'])
|
||
# string or integer constants
|
||
block_features.append(
|
||
len(temp_G.node[temp]['strings']) if len(temp_G.node[temp]['strings']) != 0 else len(
|
||
temp_G.node[temp]['consts']))
|
||
# offspring
|
||
block_features.append(temp_G.node[temp]['offs'])
|
||
acfg_list_item_feature.append(block_features)
|
||
edge_list_start = []
|
||
edge_list_end = []
|
||
for item in temp_G.edges:
|
||
edge_list_start.append(item[0])
|
||
edge_list_end.append(item[1])
|
||
block_edges = [edge_list_start, edge_list_end]
|
||
acfg_list_item = {"block_number": block_number, "block_edges": block_edges,
|
||
"block_features": acfg_list_item_feature}
|
||
acfg_list.append(acfg_list_item)
|
||
|
||
json_temp = {"function_edges": function_edges, "acfg_list": acfg_list, "function_names": fun_name_temp,
|
||
"hash": file_hash, "function_number": function_number}
|
||
json_str = json.dumps(json_temp)
|
||
sample_file.write(json_str + '\n')
|
||
print "完成写入" + str(done_index)
|
||
done_index += 1
|
||
else:
|
||
print "删除文件" + file_path
|
||
os.remove(file_path)
|
||
sample_file.close()
|