Dec 12, 2011 · But I want to use the shell.php file anywhere, so my solution is: new and save shell.php in php installed dir (or where else you like), e.g. C:\Program Files\php-5.6.12-Win32-VC11-x64\shell.php. new a Windows environment variable, key: shell.php, value: "C:\Program Files\php-5.6.12-Win32-VC11-x64" restart computer. use anywhere in the system: 1. A webshell is generally a script that'll mirror your file manager, it'll also have custom tools built into it so that the attacker can upload files and/or change permissions (you'll find this is a common method of how phishing happens) because the attacker has found a vulnerability within your site. – Option. Apr 26, 2017 at 14:54.Here's how to run dual PHP instances with PHP 5.2 and any previous PHP on Windows 2003: 1. Right-click My Computer, go to Advanced tab, and click on Environment Variables. Add the two installations and their EXT directories to the Path variable. For example, add: c:\php;c:\php\ext;c:\TMAS\php;c:\tmas\php\ext;This is an example PHP application, which is intentionally vulnerable to web attacks. It is intended to help you test Acunetix. It also helps you understand how developer errors and bad configuration may let someone break into your website. You can use it to test other tools and your manual hacking skills as well. PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ». by Tali Smith The fastest and easiest way to install PHP on Internet Information Services (IIS) is by using the Microsoft® Web Platform Installer (Web PI). Web PI completely automates setting up IIS, FastCGI, and the latest version of PHP from the php.net Web site.Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions","stylingDirectives":null,"csv":null,"csvError":null,"dependabotInfo":{"showConfigurationBanner":false,"configFilePath":null,"networkDependabotPath":"/spyrosoft/php ...In order to set project specific configuration options, simply add a php.ini file to your project, and then run the built-in server with this flag: php -S localhost:8000 -c php.ini. This is especially helpful for settings that cannot be set at runtime (ini_set ()). up. down.Nov 20, 2018 · If you’re in a Windows environment, the best way to go is installing PHP in IIS. I recommend using the latest PHP version (at the time of writing, we’re at 7.2), you can grab it from https://php.iis.net, or you can launch the Web Platform Installer if you’ve already got it in IIS. Possibilities. Many! Tiny PHP Web shell for executing unix commands from web page php web-shell php-web php-shell Updated on Jun 29, 2022 PHP x-o-r-r-o / PHP-Webshells-Collection Star 137 Code Issues Pull requests Most Wanted Private and Public PHP Web Shells Can Be Downloaded Here. (Educational Purpose Only) webshell php-shell asp-shell aspx-shellMay 29, 2019 · Description. This indicates an attempt to use a malicious PHP page. Most malicious PHP script is used to execute command within the privileges of the web applications. And some will be used to launch attack or send spam emails. ","stylingDirectives":[[{"start":0,"end":5,"cssClass":"pl-ent"}],[],[{"start":16,"end":17,"cssClass":"pl-c1"}],[{"start":15,"end":22,"cssClass":"pl-c1"}],[{"start":0 ... ","stylingDirectives":[[{"start":0,"end":5,"cssClass":"pl-ent"}],[],[{"start":16,"end":17,"cssClass":"pl-c1"}],[{"start":15,"end":22,"cssClass":"pl-c1"}],[{"start":0 ...A comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used to: Let others understand your code. Remind yourself of what you did - Most programmers have experienced coming back to their own work a year or two later and having to re ...About PHP Shells!C99Shell v. 1.0 pre-release build #12! Software: Apache/2.2.0 (Fedora Core 5). PHP/5.1.2 .Aug 1, 2023 · 2 years ago. In php there are 3 types of comments. 1.single line c++ style comment (//) 2.single line Unix shell stype comment (#) 3.multi line c style comment (/*/) single or multi line comment comes to the end of the line or come first to the current block of php code. Discover wwwolf's PHP webshell, a lightweight off-road PHP web shell! I frequently encountered issues when using other web shells: They use new PHP syntax features not compatible with the old PHP version running on some targets. They make wrong assumption on the remote URL, breaking PHP code injection or GET parameters (un)expected by the server.Finding a c99 shell is an excellent way to identify a compromise on a system. The c99 shell is about 1500 lines long if packed and 4900+ if properly displayed, and some of its traits include showing security measures the web server may use, a file viewer that has permissions, a place where the attacker can operate custom PHP code (PHP malware ...Apr 23, 2012 · Show 1 more comment. 1. To check if you have readline module installed, type: php -m | grep readline. If nothing displayed, install readline module: sudo apt-get install php5-readline. After module installation you can recheck it's presence with previous command, than enter interactive mode with: php -a. Share. PHP-Webshells-Collection . Most Wanted Private and Public PHP Web Shells Can Be Downloaded Here. (Educational Purpose Only) I am not responsible for how you use this stuff. Default Password for All Shells (if not available in shell description): wso. Tools PHP deobfuscators: Online: FOPO PHP Deobfuscator ver. 0.1 | ver. 0.2; Sucuri's PHP decoderIf you use reverse shell and you have elevated your initial privileges, this script might not have the same privileges as your shell. To download a certain file, you might need to copy the file to the web root directory and give it necessary read permissions.Dec 12, 2011 · But I want to use the shell.php file anywhere, so my solution is: new and save shell.php in php installed dir (or where else you like), e.g. C:\Program Files\php-5.6.12-Win32-VC11-x64\shell.php. new a Windows environment variable, key: shell.php, value: "C:\Program Files\php-5.6.12-Win32-VC11-x64" restart computer. use anywhere in the system: Mar 17, 2019 · B4TM4N ~ PHP WEBSHELL. Contribute to k4mpr3t/b4tm4n development by creating an account on GitHub. php-reverse-shell. This tool is designed for those situations during a pentest where you have upload access to a webserver that’s running PHP. Upload this script to somewhere in the web root then run it by accessing the appropriate URL in your browser. The script will open an outbound TCP connection from the webserver to a host and port of ... {"payload":{"allShortcutsEnabled":false,"fileTree":{"shell/php":{"items":[{"name":"0byt3m1n1.php","path":"shell/php/0byt3m1n1.php","contentType":"file"},{"name ...Dec 8, 2021 · 7 Min Read. PHP (Hypertext Preprocessor) is known as a general-purpose scripting language that can be utilized to create intuitive and dynamic websites. It was among the pioneer server-side language that can be integrated into HTML, making it easier to include functionality to web pages without requiring to call external data. A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior.PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and participated in the later versions. It is an interpreted language and ...A classical upload form if the remote PHP settings allows it. Fetch the file from a given host and URL (usually a host controlled by the attacker). This feature implement a very basic HTTP fetch functionality allowing to circumvent PHP's url_allow_fopen setting limitation. It does not handle fancy things like HTTP redirection or authentication ...Aug 1, 2023 · Here's how to run dual PHP instances with PHP 5.2 and any previous PHP on Windows 2003: 1. Right-click My Computer, go to Advanced tab, and click on Environment Variables. Add the two installations and their EXT directories to the Path variable. For example, add: c:\php;c:\php\ext;c:\TMAS\php;c:\tmas\php\ext; Output: gfg.php index.html geeks.php. exec() Function. The exec() function is an inbuilt function in PHP which is used to execute an external program and returns the last line of the output.Discover wwwolf's PHP webshell, a lightweight off-road PHP web shell! I frequently encountered issues when using other web shells: They use new PHP syntax features not compatible with the old PHP version running on some targets. They make wrong assumption on the remote URL, breaking PHP code injection or GET parameters (un)expected by the server.I can't seem to find a way to find or install mod_php. When I type: yum install mod_php I am prompted to download the latest version of PHP from the Amazon repo. The guide I followed already installed a version of PHP that I want. I've read many guides that just tell you to do: yum install httpd phpWelcome to Privdayz.com. Through PrivDays; Private, Priv8, Priv9 shell can access, you can use them. You can easily access the shell, such as Symlink, Bypass shell, indoxploit, Alfa Shell, Python Exploiter, Python Hack Tools, Php Tools. Privdays.com is a software platform, the contents of the site are sent by you completely and are published ...If you use reverse shell and you have elevated your initial privileges, this script might not have the same privileges as your shell. To download a certain file, you might need to copy the file to the web root directory and give it necessary read permissions.Open index.php in your browser, quick run will only run the shell. Use packer to pack all files into single PHP file. Set all the options available and the output file will be in the same directory as index.php. Using Console : $ php -f index.php b374k shell packer 0.4 options : -o filename save as filename -p password protect with password -t ... php-reverse-shell. This tool is designed for those situations during a pentest where you have upload access to a webserver that’s running PHP. Upload this script to somewhere in the web root then run it by accessing the appropriate URL in your browser. The script will open an outbound TCP connection from the webserver to a host and port of ...PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and participated in the later versions. It is an interpreted language and ...Aug 1, 2023 · You can also call the script from the command line after chmod'ing the file (ie: chmod 755 file.php). On your first line of the file, enter "#!/usr/bin/php" (or to wherever your php executable is located). If you want to suppress the PHP headers, use the line of "#!/usr/bin/php -q" for your path. up. down. Aug 2, 2010 · This package was approved as a trusted package on 30 Aug 2023. Description. PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly. 1. A webshell is generally a script that'll mirror your file manager, it'll also have custom tools built into it so that the attacker can upload files and/or change permissions (you'll find this is a common method of how phishing happens) because the attacker has found a vulnerability within your site. – Option. Apr 26, 2017 at 14:54.The user friendly PHP online compiler that allows you to Write PHP code and run it online. The PHP text editor also supports taking input from the user and standard libraries.May 29, 2019 · Description. This indicates an attempt to use a malicious PHP page. Most malicious PHP script is used to execute command within the privileges of the web applications. And some will be used to launch attack or send spam emails. PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.2 Download. 8.2.9 · Changelog · Upgrading.I can't seem to find a way to find or install mod_php. When I type: yum install mod_php I am prompted to download the latest version of PHP from the Amazon repo. The guide I followed already installed a version of PHP that I want. I've read many guides that just tell you to do: yum install httpd php"," Query execution time: \".sprintf(\"%.5f\",$worktime).\" sec;"," Affected rows: \".@mysql_affected_rows().\""," "," "," "," \";"," }"," }","?>","","","To contribute other shells not listed here... Fork, Push the changes to your repo, then before you request for a Pull, make sure to include a simple description of your php web-shell and include a screen-shot of the web-shell (as hosted in your localhost). php-webshells. Common PHP shells. Do not put these on a publicly-accessible webserver.This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.Apr 14, 2020 · In part 3 of this series, we’ll be looking at some techniques that attackers use to keep web shells hidden. Commands can be sent to the web shell using various methods with HTTP POST request being the most common. However, malicious hackers are not exactly people who play by the rules. The following are a few of the possible tricks attackers ... This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.Aug 2, 2010 · This package was approved as a trusted package on 30 Aug 2023. Description. PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly. ","stylingDirectives":null,"csv":null,"csvError":null,"dependabotInfo":{"showConfigurationBanner":false,"configFilePath":null,"networkDependabotPath":"/spyrosoft/php ... If you find that when you restart your computer, this solution will not work anymore: Set the Path like as following: Step 1 - Click on the Windows icon. Step 2 - Click on the Settings icon. Step 3 - Click on System. Step 4 - Click on About. Step 5 - Click on System info. Step 6 - Click on Advanced system settings.In part 3 of this series, we’ll be looking at some techniques that attackers use to keep web shells hidden. Commands can be sent to the web shell using various methods with HTTP POST request being the most common. However, malicious hackers are not exactly people who play by the rules. The following are a few of the possible tricks attackers ...Through PrivDays; Private, Priv8, Priv9 shell can access, you can use them. You can easily access the shell, such as Symlink, Bypass shell, indoxploit, Alfa Shell, Python Exploiter, Python Hack Tools, Php Tools. Privdays.com is a software platform, the contents of the site are sent by you completely and are published after the necessary reviews ... Open index.php in your browser, quick run will only run the shell. Use packer to pack all files into single PHP file. Set all the options available and the output file will be in the same directory as index.php. Using Console : $ php -f index.php b374k shell packer 0.4 options : -o filename save as filename -p password protect with password -t ... In my case WordPress Activate themes name is Twenty Twenty, let’s go to the Themes Files option and click on 404.php ( 404 Template ) and replace all content with malicious php code and click update file. We already start our netcat listener’ let’s navigate the themes uploaded URL and execute the Reverse Shell.UNIX Reverse Shells : 42 payloads in 17 different languages ! OpenSSL. Un shell inversé chiffré peut aider à éviter la détection automatique par les outils de surveillance de la sécurité du réseau (tels que les systèmes de détection d'intrusion (IDS)).The latest version of PHP Shell is 2.6 from July 26, 2020. Download it as. phpshell-2.6.tar.gz; You can use 7-zip to extract tar.gz-files on Windows. The tarball contains these files: phpshell.php: This is the script you run when you use PHP Shell. config.php: Configuration file in the INI format. pwhash.php: Password hashing script. This is ...PHP ssh2_shell - 27 examples found. These are the top rated real world PHP examples of ssh2_shell extracted from open source projects. You can rate examples to help us improve the quality of examples.Put the nc in the background with: Ctr-Z. Then ask the current shell to pass the raw keystroke codes to the remote shell, and switch back to the netcat (foreground) stty raw -echo fg. Disclamer: Trying this in a browser will just freeze the shell. The browser also modifies the key codes. It only works in a VM.Aug 1, 2023 · The interactive shell stores your history which can be accessed using the up and down keys. The history is saved in the ~/.php_history file. The CLI SAPI provides the php.ini settings cli.pager and cli.prompt. The cli.pager setting allows an external program (such as less) to act as a pager for the output instead of being displayed directly on ... pub 2048R/31CBD89E 2016-12-08 Key fingerprint = 5289 95BF EDFB A719 1D46 839E F9BA 0ADA 31CB D89E uid Joe Watkins <[email protected]> pub rsa4096 2021-04-26 [SC] [expires: 2025-11-24] 39B6 4134 3D8C 104B 2B14 6DC3 F9C3 9DC0 B969 8544 uid [ultimate] Ben Ramsey <[email protected]> sub rsa4096 2021-04-26 [E] [expires: 2025-11-24] pub rsa4096 2021-04-01 [SC] F1F6 9223 8FBC 1666 E5A5 CCD4 199F 9DFE F6FF ... PHP is an open-source, interpreted, and object-oriented scripting language that can be executed at the server-side. PHP is well suited for web development. Therefore, it is used to develop web applications (an application that executes on the server and generates the dynamic page.). PHP was created by Rasmus Lerdorf in 1994 but appeared in the ... A php function cannot be triggered via being a part of a url. What you are describing would be the same as you trying to visit https: ...This is an example PHP application, which is intentionally vulnerable to web attacks. It is intended to help you test Acunetix. It also helps you understand how developer errors and bad configuration may let someone break into your website. You can use it to test other tools and your manual hacking skills as well. Aug 2, 2010 · This package was approved as a trusted package on 30 Aug 2023. Description. PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly. Weevely php web shell ; PHP_bash web shell ; Requirements. Attacker: Kali Linux. Target: Web for Pentester, DVWA. Introduction of PHP Web Shells. Web shells are the scripts which are coded in many languages like PHP, Python, ASP, Perl and so on which further use as backdoor for illegitimate access in any server by uploading it on a web server.Open index.php in your browser, quick run will only run the shell. Use packer to pack all files into single PHP file. Set all the options available and the output file will be in the same directory as index.php. Using Console : $ php -f index.php b374k shell packer 0.4 options : -o filename save as filename -p password protect with password -t ...Show 1 more comment. 1. To check if you have readline module installed, type: php -m | grep readline. If nothing displayed, install readline module: sudo apt-get install php5-readline. After module installation you can recheck it's presence with previous command, than enter interactive mode with: php -a. Share.Tiny PHP Web shell for executing unix commands from web page php web-shell php-web php-shell Updated on Jun 29, 2022 PHP x-o-r-r-o / PHP-Webshells-Collection Star 137 Code Issues Pull requests Most Wanted Private and Public PHP Web Shells Can Be Downloaded Here. (Educational Purpose Only) webshell php-shell asp-shell aspx-shell PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. What is PHP used for? As of October 2018, PHP is used on 80% of websites whose server-side language is known. It is typically ...PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [9] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [10] [11] The PHP reference implementation is now produced by the PHP Group. [12] PHP was originally an abbreviation of Personal Home ...GitHub Gist: instantly share code, notes, and snippets. {"payload":{"allShortcutsEnabled":false,"fileTree":{"shell/php":{"items":[{"name":"0byt3m1n1.php","path":"shell/php/0byt3m1n1.php","contentType":"file"},{"name ... PHP can create, open, read, write, delete, and close files on the server. PHP can collect form data. PHP can send and receive cookies. PHP can add, delete, modify data in your database. PHP can be used to control user-access. PHP can encrypt data. With PHP you are not limited to output HTML. You can output images or PDF files.In part 2 of this series, we’ll be looking at some specific examples of web shells developed using the PHP programming language. Web shells exist for almost every web programming language you can think of. We chose to focus on PHP because it is the most widely-used programming language on the web. PHP web shells do nothing more than use in ...This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.In part 3 of this series, we’ll be looking at some techniques that attackers use to keep web shells hidden. Commands can be sent to the web shell using various methods with HTTP POST request being the most common. However, malicious hackers are not exactly people who play by the rules. The following are a few of the possible tricks attackers ...A php function cannot be triggered via being a part of a url. What you are describing would be the same as you trying to visit https: ...SHELL ADRESS. r57shell has 3 repositories available. Follow their code on GitHub.
Aug 1, 2023 · 2 years ago. In php there are 3 types of comments. 1.single line c++ style comment (//) 2.single line Unix shell stype comment (#) 3.multi line c style comment (/*/) single or multi line comment comes to the end of the line or come first to the current block of php code. . 855 795 0509
Aug 1, 2023 · The interactive shell stores your history which can be accessed using the up and down keys. The history is saved in the ~/.php_history file. The CLI SAPI provides the php.ini settings cli.pager and cli.prompt. The cli.pager setting allows an external program (such as less) to act as a pager for the output instead of being displayed directly on ... ","stylingDirectives":null,"csv":null,"csvError":null,"dependabotInfo":{"showConfigurationBanner":false,"configFilePath":null,"networkDependabotPath":"/spyrosoft/php ... Put the nc in the background with: Ctr-Z. Then ask the current shell to pass the raw keystroke codes to the remote shell, and switch back to the netcat (foreground) stty raw -echo fg. Disclamer: Trying this in a browser will just freeze the shell. The browser also modifies the key codes. It only works in a VM.Tiny PHP Web shell for executing unix commands from web page php web-shell php-web php-shell Updated on Jun 29, 2022 PHP x-o-r-r-o / PHP-Webshells-Collection Star 137 Code Issues Pull requests Most Wanted Private and Public PHP Web Shells Can Be Downloaded Here. (Educational Purpose Only) webshell php-shell asp-shell aspx-shell PHP ssh2_shell - 27 examples found. These are the top rated real world PHP examples of ssh2_shell extracted from open source projects. You can rate examples to help us improve the quality of examples.Aug 1, 2023 · The interactive shell stores your history which can be accessed using the up and down keys. The history is saved in the ~/.php_history file. The CLI SAPI provides the php.ini settings cli.pager and cli.prompt. The cli.pager setting allows an external program (such as less) to act as a pager for the output instead of being displayed directly on ... {"payload":{"allShortcutsEnabled":false,"fileTree":{"base/php/php-7.2.20-fpm/src":{"items":[{"name":"php.ini","path":"base/php/php-7.2.20-fpm/src/php.ini ...A classical upload form if the remote PHP settings allows it. Fetch the file from a given host and URL (usually a host controlled by the attacker). This feature implement a very basic HTTP fetch functionality allowing to circumvent PHP's url_allow_fopen setting limitation. It does not handle fancy things like HTTP redirection or authentication ...PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [9] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [10] [11] The PHP reference implementation is now produced by the PHP Group. [12] PHP was originally an abbreviation of Personal Home ... {"payload":{"allShortcutsEnabled":false,"fileTree":{"Upload Insecure Files/Extension PHP":{"items":[{"name":"extensions.lst","path":"Upload Insecure Files/Extension ... {"payload":{"allShortcutsEnabled":false,"fileTree":{"base/php/php-7.2.20-fpm/src":{"items":[{"name":"php.ini","path":"base/php/php-7.2.20-fpm/src/php.ini ...';","echo(' '.htmlspecialchars(file_get_contents($_GET['filesrc'])).' ');","}elseif(isset($_GET['option']) && $_POST['opt'] != 'delete'){","echo 'If you’re in a Windows environment, the best way to go is installing PHP in IIS. I recommend using the latest PHP version (at the time of writing, we’re at 7.2), you can grab it from https://php.iis.net, or you can launch the Web Platform Installer if you’ve already got it in IIS. Possibilities. Many!PHP-GTK related documentation is hosted on the PHP-GTK website. Documentation of PEAR and the various packages can be found on a separate server. You can still read a copy of the original PHP/FI 2.0 Manual on our site, which we only host for historical purposes. The same applies to the PHP 3 Manual .I can't seem to find a way to find or install mod_php. When I type: yum install mod_php I am prompted to download the latest version of PHP from the Amazon repo. The guide I followed already installed a version of PHP that I want. I've read many guides that just tell you to do: yum install httpd phpMay 5, 2012 · In order to set project specific configuration options, simply add a php.ini file to your project, and then run the built-in server with this flag: php -S localhost:8000 -c php.ini. This is especially helpful for settings that cannot be set at runtime (ini_set ()). up. down. FastCGI Process Manager (FPM) Installation. Configuration. Installation of PECL extensions. Introduction to PECL Installations. Downloading PECL extensions. Installing a PHP extension on Windows. Compiling shared PECL extensions with the pecl command. Compiling shared PECL extensions with phpize.Weevely php web shell ; PHP_bash web shell ; Requirements. Attacker: Kali Linux. Target: Web for Pentester, DVWA. Introduction of PHP Web Shells. Web shells are the scripts which are coded in many languages like PHP, Python, ASP, Perl and so on which further use as backdoor for illegitimate access in any server by uploading it on a web server.Sep 25, 2019 · Weevely php web shell ; PHP_bash web shell ; Requirements. Attacker: Kali Linux. Target: Web for Pentester, DVWA. Introduction of PHP Web Shells. Web shells are the scripts which are coded in many languages like PHP, Python, ASP, Perl and so on which further use as backdoor for illegitimate access in any server by uploading it on a web server. .