I believe many of my friends have done Trojan-free killing. In the early days, no kill was caused by shelling and pattern modification. Now, the no-kill technology has developed to be used for command-free killing and shell modification, however, this requires some compilation knowledge, but compilation is not an easy-to-crack bone. So I wrote this kill-free compilation tutorial for the cainiao edition to help me get started quickly, measure the test
This article mainly introduces the repair methods for php website Trojans, summarizes and analyzes the methods for Trojan detection and removal on Linux and Windows systems, and provides a complete Trojan search tool instance, for more information, see the examples in this article. Share it with you for your reference. The specific method is as follows:
In linux, we can use commands to search
PHP eval function A word trojan code
This is a common word of PHP Trojan code, through the post Trojan to implement the Trojan, the eval () function to the string according to the PHP code to calculate. The string must be a valid PHP code and must end with a semicolon. If no return statement is called in the code stri
Recently on the Internet a lot of information about the PHP detection of the Trojan horse is basically the same kind of article here I summed up a reliable method from these articlesFirst, from the production principle to analyze the Trojan horse program. This trojan is written in hexadecimal, so we can detect the Trojan
Many friends still do not know the rise of the recent years, "DLL Trojan" why. What is a "DLL"? What's the difference between it and a typical Trojan?
First, from the DLL technology.
To understand the DLL, you have to know what this "DLL" means, so let's go back a few years ago, when the DOS system was on its way. At the time, writing a program was a tedious task, because each program's code is independen
Many friends still do not know what "DLL Trojan" is what dongdong. What the hell is a "DLL"? What is the difference between it and the common Trojan? With these questions, let's start this revealing journey together!
The root of the word from the DLL
To understand what a "DLL" is, you must know what "DLL" means! When it comes to DLLs, it's not just about the long dos era. In the era of DOS, writing progra
there are less than one months to rekindle the four-year-old World Cup, but the negative news from the World Cup in Brazilbut it's continuous .. According to the news, the World Cup is not only faced with the Brazilian people protest, the stadium can not be delivered on time and other adverse conditions, but also beware of various " poison ", For example, the growing drug trafficking in Brazil and the toxic chemicals on the World Cup shirt and sneakers will make the World Cup face Stern oftest.
Analysis on the principle of bitcoin theft in one Trojan walletRecently, bitcoin security problems have occurred frequently. I wanted to find a wallet to steal bitcoin for analysis. At this time, the user smtp posted a post on the B forum to reveal the LTC Trojan wallet, I also provided an LTC Trojan wallet sample. I reverse the
Brief Analysis of A DDoS Trojan
This article is a foreign researcher's analysis of a DDoS Trojan. the MD5 of the Trojan file is 67877403db7f8ce451b72924188443f8.
Install
There are two subprograms in the main function of the malware to check whether the malware has been installed on the system.
The trojan detects the
F-Secure announced the discovery of two Android platform Trojans, one of which will cheat users in downloading the "Angry Bird Seasons v2.0.0 limited edition". In fact, false downloading is a real scam, they pretend to be able to download genuine free angry birds and other game Words, but in fact they only cheat users and automatically send multiple paid text messages.
The Trojan name is pseudo-Trojan: And
.
Then, decompile Xjad from our jar file, click File-decompile jar-select the generated jar file, and decompile it into the source code folder.
In this step, our cattle are successfully decomposed. The following figure shows how to find the final steak we want ~0x03 caressing Chrysanthemum
After decompilation, we can find that the Trojan horse interacts with the background by calling the c # WebService protocol, and the chrysanthemum IP address is
Comments: Target: crack the encrypted Asp Trojan login password. Because there is no version description in the Trojan, I do not know the name of the Trojan. Solution: Use the encrypted password to replace the password and use the ciphertext and encryption algorithm to reverse the password. The former is not a real attack. If you cannot get the Asp source code, y
Before that, my sister had to install a 360 cloud disk on my computer for work. It was a long time, but today I marked the date: Am, January 1, September 21, 2013, the 360 browser is installed on my computer, and the 360 browser will be re-installed after I restart it. At this time, I once again saw the rogue nature of 360 Trojan Horse companies. I used the trojan 3721 for the last time. I thought it was a
Three techniques to effectively prevent PHP Trojan attacks. As we all know, surfing the Internet must withstand viruses and Trojans to protect our clean surfing environment. Here, we will understand the defense measures for PHP Trojan attacks. as we all know, surfing the network must withstand viruses and Trojans to protect our clean surfing environment. Here, we will learn about the defense measures for PH
"Smart gene" is a domestic trojan, in addition to the General Trojan has the function, its most frightening is its permanent hidden remote host drive function, if the control side chose this function, then the controlled end can be miserable, want to find the drive? Hey, it's not that easy! Server-side file Genueserver.exe, with the HTM file icon, if your system is set to not display the file name extension
Method One, a word trojan
Occasionally get a config, found to be root, and there are phpmyadmin. All right, try it.
Select '
The hint succeeded, but constructs the address to visit, the hint 404, appears not to be successful, should be escapes the questionThen try:
Select '
Import again, prompt success, after the visit found really successful.
Another kind of a word trojan
On the server found many Troja
, windows2003 the above version is suitable for this method.Because the current Trojan or virus are like to reside in the System32 directory, if we use the command to restrict system32 write and Modify permissionsThen they have no way to write it. Look at the order.a commandcacls c:windowssystem32/g administrator:r prohibit modification, write to c:windowssystem32 directorycacls c:windowssystem32/g administrator:f Restore Modify, write C:windowssystem
In Linux we can use the command to search the Trojan file, to the code installation directory to execute the following command
The code is as follows
Copy Code
Find./-iname "*.php" | Xargs grep-h-N "eval" (Base64_decode)
Search out close to 100 results, the result list is very important, Trojans are inside, to a file open to verify whether it is a trojan, if it is, imm
"Edit hint": This article is only for reference study!
There is nothing special about this article, just to find a point. and gave me the same dish of friends wandering around the PHP door. Just learn PHP not a few days, I am eager to work, so there are errors and deficiencies please actively point out.
PHP is a powerful syntax for the ASP, only one: you
can spy on the entire server configuration. Run cmd, upload files, etc., are very simple, now use a good php
At the customer's requirement, the Acrobat API was used to write a small tool to delete XMP in PDF documents in batches.
Acrobat supports deleting XMP information, but it must be deleted by one node and one file.XMP RemoverYou can quickly delete the
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