backdoor definition

Linux backdoor technology is free of contact-Linux general technology-Linux programming and kernel information. The following is a detailed description. Maybe you are still studying the vulnerabilities in the win System Series. For example, you can use port 1433 to find a small domestic win bot. At that time, I was wondering, are you suitable? Do you feel blushing when you attack and intrude on machines in your country? Some cainiao have recently said

The Crontab program is very useful for system administrators. The Cron service is used to run a scheduler at a specific time, such as month, day, week, hour, and minute. If you are smart enough, you should use it to create a "backdoor" for us "! With the Cron service, you can make it sleep at every morning .) Run the backdoor program so that you can easily enter the system to do what you want and exit the s

Article Title: solves the problem of Linuxssh backdoor. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Linux ssh backdoors are related to system security. As a Linux system administrator, this problem should be solved in a timely manner. Here we will first introduce this Linux ssh backdoors problem, then, we will

Article Title: ICMP backdoor code. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. There are some backdoors in many protocol applications. For example, the Linux ICMP backdoor we will introduce today. Next, let's take a detailed look at the specific content about the 137

PHP Backdoor Version 1.5 is a php Backdoor program compiled by sirius_black/lotfree team. Here, we will perform a simple analysis on it and take notes for learning php, the Command executed by the backdoor depends on the user's permissions when installing the web server and php. If it is an administrator, various operating system commands can be executed.Function

requested from the directory are handed over to the specified ISAPI for execution. It should be emphasized that the scriptmaps directory does not necessarily exist. As long as a sub-key is created under the root key of an HTTP instance in metabase, IIS considers the HTTP request for a directory with the same name as the key to be valid and is processed by the mapped ISAPI. This is also a problem with IIS. Createprocessasuser. if the value is 0 under a directory, the application under the direct

A backdoor URL indicates that resources that do not need to be directly called can be directly accessed through a URL. For example, the following WEB application may display sensitive information to login users: lt ;? Php $ authenticat... Backdoor URL A backdoor URL means that resources that do not need to be directly called can be directly accessed through

Backdoor URL A backdoor URL is a resource that can be accessed directly through a URL, although no direct calls are required. For example, the following Web app may display sensitive information to logged-in users: Because Sensitive.php is located in the home directory of the Web site, it can be accessed directly by the browser by skipping the authentication mechanism. This is because all files in t

. user.ini files form the PHP backdoor http://drops.wooyun.org/tips/3424 0x00 background This estimate a lot of classmates looked disdain, think is Rotten street thing: . htaccess files form the PHP backdoor Then I'll have a new one:. User.ini. It is more extensive than the. htaccess, whether it is nginx/apache/iis, as long as the fastcgi run PHP can use this method. My nginx server is all fpm/fastcgi, m

line of code represents the call to function A, but because the program does not define function A, So this line of code throws a fatal error to stop the program from running. This line of code doesn't really make sense, but it's simple enough to show that in PHP, we can treat a string as a function.Article to here, if you see a similar PHP back door should not be so confusing, you can use a sentence to analyze the backdoor code to understand the

ICMP backdoorObjectiveFirst: Python3 implementation of the ICMP remote Control back door (upper)The second article: Python3 implementation of the ICMP remote control back door (top) _ supplementary articleArticle Three: Python3 realization of the ICMP remote control back door (Central) "sniff" black technologyLast article, the boss of this series to appear, implemented an interesting ICMP backdoor, temporarily using Pyinstaller packaged into a Win32 a

Angel_kitty. In PHP, we can treat a string as a function. See here, I believe that if you see a similar PHP back door should not be so confusing, you can use a sentence to analyze the backdoor code to understand the backdoor want to implement the function.We want to use this backdoor to create strings that can be used to bypass detection and useful to us, s

Tags: Shell backdoor penetration test user span Windows system build feature ShareThe Backdoor tool DBD DBD functionality is similar to NETCAT, but provides powerful encryption capabilities that support aes-cbc-128 and HMAC-SHA1 encryption. The tool can be run on Unix-like and Windows systems. Penetration Testers First use the tool to set up monitoring on the target host and build the