linux下python版webshell后门查杀工具

使用说明：

1.查杀指定路径：python webshell.py 路径

2.按时间查找文件：python webshell.py 路径 “2013-09-28 00:00:00″

# -*- coding: utf-8 -*-

import os
import sys
import re
import time

rulelist = [
‘(\$_(GET|POST|REQUEST)\[.{0,15}\]\s{0,10}\(\s{0,10}
\$_(GET|POST|REQUEST)\[.{0,15}\]\))‘,
‘(base64_decode\([\‘"][\w\+/=]{200,}[\‘"]\))‘,
‘(eval(\s|\n)*\(base64_decode(\s|\n)*\((.|\n)
{1,200})‘,
‘((eval|assert)(\s|\n)*\((\s|\n)*\$_
(POST|GET|REQUEST)\[.{0,15}\]\))‘,
‘(\$[\w_]{0,15}(\s|\n)*\((\s|\n)*\$_
(POST|GET|REQUEST)\[.{0,15}\]\))‘,
‘(call_user_func\(.{0,15}\$_(GET|POST|REQUEST))‘,
‘(preg_replace(\s|\n)*\(.{1,100}[/@].{0,3}e.{1,6},.
{0,10}\$_(GET|POST|REQUEST))‘,
‘(wscript\.shell)‘,
‘(cmd\.exe)‘,
‘(shell\.application)‘,
‘(documents\s+and\s+settings)‘,
‘(system32)‘,
‘(serv-u)‘,
‘(phpspy)‘,
‘(jspspy)‘,
‘(webshell)‘,
‘(Program\s+Files)‘
]

def Scan(path):
print(‘ 可疑文件 ‘)
print(‘########################################‘)
for root,dirs,files in os.walk(path):
for filespath in files:
if os.path.getsize(os.path.join
(root,filespath))<1024000:
file= open(os.path.join(root,filespath))
filestr = file.read()
file.close()
for rule in rulelist:
result = re.compile(rule).findall
(filestr)
if result:
print ‘文件：‘+os.path.join
(root,filespath)
print ‘恶意代码：‘+str(result[0])
[0:200]
print(‘最后修改时
间：‘+time.strftime(‘%Y-%m-%d %H:%M:%S‘, time.localtime
(os.path.getmtime(os.path.join(root,filespath)))))
print ‘\n\n‘
break

#由文件最后修改时间扫描
def _Get_Time_Files(_path,_time):
_time = time.mktime(time.strptime(_time, ‘%Y-%m-%d %
H:%M:%S‘))
print(‘\n‘)
print(‘ 可疑文件 ‘)
print(‘########################################‘)
print(‘文件路径 最后修改时间 \n‘)

for _root,_dirs,_files in os.walk(_path):
for _file in _files:
if _file.find(‘.‘)!=-1:
_txt = _file[(_file.rindex(‘.‘)
+1):].lower()

if _txt==‘php‘ or _txt==‘jsp‘:
_File_Time =os.path.getmtime
(_root+‘/‘+_file)
if _File_Time>_time:
print(_root+‘/‘+_file+‘ ‘+
time.strftime(‘%Y-%m-%d %H:%M:%S‘, time.localtime
(os.path.getmtime(_root+‘/‘+_file))))

if len(sys.argv)!=3 and len(sys.argv)!=2:
print ‘【参数错误】:‘
print ‘\t按恶意代码查杀: ‘+sys.argv[0]+‘ 目录名‘
print ‘\t按修改时间查杀: ‘+sys.argv[0]+‘ 目录名 修改时
间(格式:"2013-09-09 12:00:00")‘
if os.path.lexists(sys.argv[1])==False:
print ‘提示：指定的扫描目录不存在--- 囧‘

print(‘\n\n开始查杀：‘+sys.argv[1])

if len(sys.argv)==2:
Scan(sys.argv[1])
else:
_Get_Time_Files(sys.argv[1],sys.argv[2])

print(‘提示：查杀完成-- O(∩_∩)O哈哈~‘)

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