Shulou(Shulou.com)06/01 Report--

What is the command execution in big data? I believe many inexperienced people are at a loss about it. Therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

1. The function with the function of executing system commands in php:

1 、 system

Create a new cmd.php with the following contents:

Access the file and add the parameter ipconfig

2 、 exec

3 、 shell_exec

4 、 passthru

5 、 popen

6 、 proc_popen

2. Vulnerabilities in windows command execution

1. Truncation splicer

& if the previous statement is false, directly execute the following

| | execute the following statement directly |

| | if there is an error in the front, execute the following one. |

2. Create a new cmd.php with the following contents:

3. Access the file and enter the parameters

III. Vulnerabilities in Linux command execution

1. Create a new cmd.php with the following contents:

2. Start the apache service, service apache2 start

View status service apache2 status

3. Copy cmd.php to the / var/www/html directory

4. Truncation splicer

; after the execution of the

| | displays the subsequent execution results |

| | when there is an error in the previous execution, execute the following

After reading the above, have you mastered the method of carrying out orders in big data? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!

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