backdoor definition

Now, let's recall, through which ways can we find the program we are running ?? Ps command to detect backdoor program processThe netstat command detects exceptions on the listening port.Top view found Now let's look at the hidden corresponding methods in sequence: In the top command, only the process name is displayed without the path. We can use the name of a formal process that is like the system, for example, in config. h. Change the tfn2k process

0x00Some time ago, a friend asked me a question about "no port is available. In the Intranet environment shown in, firewall only allows port 80 of the Web Server to establish a network connection, and port 80 on the Web Server has been occupied by software such as IIS and Apache, how to create a RAT backdoor.0x01This problem was taken into account by the famous backdoor byshell earlier, so we used a very fr

As we all know, NC is a powerful and flexible hacker tool. It can be used to do many things, such as telnet client ports. For example, it can rebound back to Shell during intrusion, such as scanning ...... But have you ever thought about creating a service-level backdoor? Many cainiao like me do not know programming yet, and the popular webshells written by others are often killed. Let's create a webshell together with me, no programming knowledge is

Author: AlphaSource: UnknownNature of the article: originalTimes: 25Release date: 2004-12-27 For a long time, we have been depressed about making a good backdoor. Those ready-made backdoor software can hardly escape the pursuit of anti-virus software, and it seems unrealistic to write a backdoor for these bugs. Next I will teach you a way to create your

Security O M: Use of Linux backdoor intrusion detection tools 1. Introduction to rootkit Rootkit is the most common backdoor tool in Linux. It mainly replaces system files for intrusion and concealment. This Trojan is more dangerous and concealed than a common backdoor, it is difficult to find such Trojans through common detection tools and detection methods. Th

Once suffered from Trojans, backdoor (hereinafter referred to as the backdoor), people will not forget the destruction of the machine after the carnage, so people launched a positive defensive work, from the patch to the firewall, want to even add a validator, in a variety of defensive techniques under the fire, a large number of back door down, rookie do not have to panic online ...... But will the back do

Once suffered from Trojans, backdoor (hereinafter referred to as the backdoor), people will not forget the destruction of the machine after the carnage, so people launched a positive defensive work, from the patch to the firewall, want to even add a validator, in a variety of defensive techniques under the fire, a large number of back door down, rookie do not have to panic online ... ... But will the back d

Cisco found 12 million PCs installed with backdoor spyware Cisco Talos Group security researchers claimed that 12 million PCs were installed with the backdoor program Tuto4PC. Suspicious Backdoor programs are developed by French Internet advertising company Wizzlabs and feature AD software and spyware. Wizzlabs has issued a statement stating that the descripti

Magnifiers, the most tricky Backdoor MagnifiersMagnify. Exe) is a small tool integrated with Windows 2000/XP/2003 systems. It is designed to help users with visual impairment. The tool can be used with the “win+u”combination before the user's guest system. For this reason, the attacker can replace the magnifier program with a file of the same name as magnify.exe, which is specially crafted to control the server. In general, the attacker creates an adm

Some of the PHP site management procedures, some backdoor, in fact, the official is not malicious, mainly for their own security.I do not care about the hint box, sablog how to know that my version has a loophole, the program must have a back door. Automatic detection of the official version of the background is compared with the current version. Well, I found it later. In the last part of templates/admin/main.php. Delete the following code. .In fact,

Catalog1 . Vulnerability Description 2 . Vulnerability trigger Condition 3 . Vulnerability Impact Range 4 . Vulnerability Code Analysis 5 . Defense Methods 6. Defensive thinking1. Vulnerability descriptionEcshop is a popular online store management system software, its 2.7.3 version of a patch exists backdoor files, attackers use the backdoor to control the siteRelevant Link:http://sebug.net/vuldb/ssvid-623

recently, around the Apple IOS Mobile phone system backdoor event, the international confrontation between two factions constantly escalating, from the Zaderski personal website visible. in our country, the movement is not big, the depth is not enough. At this moment, we must make a clear statement, criticize Apple's "diagnosis backdoor theory", Solidarity Zaderski! Apple IOS mobile phone has a "

Php webshell Trojans are no stranger to everyone, but what types do you know about them?Common functions of php Backdoor trojans can be divided into four types:1. execute system commands: system, passthru, shell_exec, exec, popen, proc_open2. Code Execution and encryption: eval, assert, call_user_func, base64_decode, gzinflate, gzuncompress, gzdecode, str_rot133. File Inclusion and generation: require, require_once, include, include_once, file_get_con

glances at A program interface in smoke, and suddenly the interface changes. At the same time, hacker A also beats the keyboard, the next step is the familiar control interface. You may not believe your own eyes: Is it the machine that finds him? Impossible ...... However, this is the fact that the server actually finds it. Hacker A is not A high technology either. He just uses an anti-customer BackDoor-A bounce Trojan. As we all know, intrusion is u

EndurerOriginal3Anti-virus software.2Anti-virus software.1Version Yesterday, a netizen said that rising's automatic scanning report on his computer:-----------Backdoor. gpigeon. uqlCleared successfully iexplore. EXE> C:/program files/Internet Explorer/iexplore. EXE Local Machine----------- Therefore, QQ is used for remote assistance. This user uses Windows XP SP2. Download hijackthis scan log from http://endurer.ys168.com and find the following suspic

-- =\\ Backdoor. c \\= --/* A rip off a sockets tutorial I found somewhere cause I didn't feel like Writing stupid basic sockets code when I had it in my src directory Already. */ /* Greets:Undernet Channels:# Rootworm, # hacktech, # hyperlink, #3 xposure, # legionootGroups:The LegionOOT (www. legionoot. cc), Team SploitPeople:Cyph3r, n3m0, Adoni, f0bic, d0g, khe0ps, h-S-t,F-o-X, NeonMatrix, Azmodan, Venomous/* Usage (setup ):# Gcc-o

You are now a root user and want to leave a backdoor. System Environment: Dawg :~ # Uname- Linux dawg 2.4.20-1-386 #3 Sat Mar 22 12:11:40 EST 2003 i686 GNU/Linux 1. SUID shell First, switch to the root user and run the following command: Dawg :~ # Cp/bin/bash/. wootdawg :~ # Chmod 4755/. wootdawg :~ # Ls-al/. woot-rwsr-xr-x 1 root 690668 Jul 24/. woot Of course, you can also start other names that are more concealed. I want you to come up with a lot

staring atProgramSuddenly, the interface was changed. At the same time, hacker a also began to tap the keyboard, followed by a familiar control interface. You may not believe your own eyes: Is it the machine that finds him? Impossible ...... However, this is the fact that the server actually finds it. Hacker A is not a high technology either. He just uses an anti-customer BackDoor-a bounce Trojan. As we all know, intrusion is usually said to be an

The Android system seems to have become the preferred target for virus authors around the world, with new malware infecting more devices every day. This time, security company Trend Micro released a warning that they found a new Android backdoor--ghostctrlGhostctrl was found to have 3 versions, the first generation to steal information and control the functionality of some devices, the second generation added more features to hijack the device, the t

NodeJs backdoor program 0x00 Preface Start with the language to write a program that does not exist in the market.0x01 why NodeJs? I personally love the JavaScript language, and what we are talking about today is NodeJS, a branch of the JavaScript language. NodeJS itself is a Web server and also a back-end language. This is especially important because we only need to download a NodeJs to complete a series of operations, which saves a lot of trouble.