扫描目录下的php文件,是否含有木马特征

shell_checkl

[python]
#!/usr/bin/python
#-*- encoding:UTF-8 -*-
###
## @package
## @desc 扫描目录下的php文件,是否含有木马特征,注意,不是“木马扫描”
## @useage python shell_check.py /your/web/path/ 1=是否递归
###
import os
import sys
import re
import time
def listdir(dirs,liston='0'):
flog = open(os.getcwd()+"/check_php_shell.log","a+")
if not os.path.isdir(dirs):
print "directory %s is not exist"% (dirs)
return
lists = os.listdir(dirs)
for list in lists:
filepath = os.path.join(dirs,list)
if os.path.isdir(filepath):
if liston == '1':
listdir(filepath,'1')
elif os.path.isfile(filepath):
filename = os.path.basename(filepath)
if re.search(r"\.(?:php|inc|html?)$", filename, re.IGNORECASE):
i = 0
iname = 0
f = open(filepath)
while f:
file_contents = f.readline()
if not file_contents:
break
i += 1
match = re.search(r'''(?P<function>\b(?:include|require)(?:_once)?\b)\s*\(?\s*["'](?P<filename>.*?(?<!\.(?:php|inc)))["']''', file_contents, re.IGNORECASE| re.MULTILINE)
if match:
function = match.group("function")
filename = match.group("filename")
if iname == 0:
info = '\n[%s] :\n'% (filepath)
else:
info = ''
info += '\t|-- [%s] - [%s] line [%d] \n'% (function,filename,i)
flog.write(info)
print info
iname += 1

match = re.search(r'\b(?P<function>eval|proc_open|popen|shell_exec|exec|passthru|system)\b\s*\(', file_contents, re.IGNORECASE| re.MULTILINE)
if match:
function = match.group("function")
if iname == 0:
info = '\n[%s] :\n'% (filepath)
else:
info = ''
info += '\t|-- [%s] line [%d] \n'% (function,i)
flog.write(info)
print info
iname += 1

match = re.findall(r'(\$[a-z0-9_]*?\s*?\(.*?\))', file_contents, re.IGNORECASE)
if match:
if iname == 0:
info = '\n[%s] :\n'% (filepath)
else:
info = ''
info += '\t|-- [%s] line [%d] \n'% (match[0],i)
flog.write(info)
print info
iname += 1

f.close()
flog.close()
if '__main__' == __name__:
argvnum = len(sys.argv)
liston = '0'
if argvnum == 1:
action = os.path.basename(sys.argv[0])
print "Command is like:\n %s D:\wwwroot\ \n %s D:\wwwroot\ 1 -- recurse subfolders"% (action,action)
quit()
elif argvnum == 2:
path = os.path.realpath(sys.argv[1])
listdir(path,liston)
else:
liston = sys.argv[2]
path = os.path.realpath(sys.argv[1])
listdir(path,liston)
flog = open(os.getcwd()+"/check_php_shell.log","a+")
ISOTIMEFORMAT='%Y-%m-%d %X'
now_time = time.strftime(ISOTIMEFORMAT,time.localtime())
flog.write("\n----------------------%s checked ---------------------\n"% (now_time))
flog.close()
[/python]

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