Information Source: lams.blogchina.com
Preface
Backdoor! I believe this term will not be unfamiliar to you, but it will not be harmful to you. However, as people's security awareness gradually increases, it also adds the "strong support" of anti-virus software ", so that traditional backdoors cannot hide themselves. Anyone with a little knowledge about computers knows how to "Check ports" and "view processes" to discover some clues ". In this way, th
Suitable for readers: Intrusion fans, network administrators, and black machine fans
Prerequisites: C basic syntax
Liu: backdoors are an eternal topic for hackers. More and more people are paying attention to server security after the hacking of major websites such as 163, Yahoo, and Peking University, various backdoor technologies have never been violent! Today, we will bring you a heavyweight backdoor u
For a long time, we all think that a trojan is an executable file ending with an exe, as long as it does not run a file suffixed with an exe. However, if Trojans are easily identified, they cannot be called Trojans. In fact, many Trojans are not suffixed with exe. For example, the famous backdoor Trojan tool bits is a dll backdoor. The whole
All along, we think Trojan is the end of EXE executable file, as long as not run exe as a suffix of the file can be. But if the Trojan is so easy to distinguish, it can not be called a Trojan. In fact, there are many Trojans are not the suffix of EXE, such as the famous backdoor Trojan tool bits, is a DLL back door, the entire backdoor program has only one
Part 1: Background
Nowadays, there are many popular tools for Post-Trojan Horse categories on the Internet, but there are not many tools that can be called as excellent products. Most new
They are still using winshell, glacier, or Radmin "Remote Management Software" to replace Backdoor programs. No
Fortunately, they do not conform to the standard of a real backdoor and are very easy to be managed by servers
Preface
Backdoor! I believe this term will not be unfamiliar to you, but it will not be harmful to you. However, as people's security awareness gradually increases, the "strong support" of anti-virus software is added ", so that traditional webshells cannot hide themselves. Anyone with a little knowledge about computers knows how to "Check ports" and "view processes" to discover some "clues ". In this way, the process and port are hidden. This articl
Hbinject.exe, hbmhly. dll, sys07003.dll, zsqf. dll, ytfa. dll, ytfb. dll, ytfc. dll, etc.
Original endurerVersion 1st
Yesterday, a friend said that he opened a flash file on the Internet. The Flash Player encountered an error and
PHP backdoor hiding and maintenance skills, php backdoor skills. PHP backdoor hiding and maintenance skills. after a successful test, php backdoor skills usually want to keep the privileges longer. the work of leaving a backdoor is very important. Usually, the
Backdoor! I believe this term will not be unfamiliar to you, but it will not be harmful to you. However, as people's security awareness gradually increases, the "strong support" of anti-virus software is added ", so that traditional webshells cannot hide themselves. Anyone with a little knowledge about computers knows how to "Check ports" and "view processes" to discover some "clues ". In this way, the process and port are hidden. This article takes "
EndurerOriginal1Version
A netizen's computer, which was reported by rising boot scanning in the past two daysBackdoor. gpigeon. uql. For example:-----------Virus name processing result found date path file virus sourceBackdoor. gpigeon. uqlCleared successfully iexplore. EXE> C:/program files/Internet Explorer/iexplore. EXE Local Machine-----------/
Scan the log using hijackthis (which can be downloaded to the http://endurer.ys168.com) to discover n more suspicious items:
/---------Logfile of hij
PHP backdoor hiding and maintenance skills, php backdoor skills
After a successful test, we usually want to keep the privilege longer. the work of leaving a backdoor is crucial. Generally, the backdoor layout includes but is not limited to database permissions, WEB permissions, system user permissions, and so on. in th
A few days ago, Symantec published a blog saying that in a security incident in May, it found a hacker intruded into a large Internet of Things hosting service provider, in addition, an interesting Linux BackDoor-Fokirtor is used in the internal management system.
Symantec research found that the backdoor can disguise its communication traffic and disguise it as a normal SSH communication traffic. This
Tomcat configuration administrator-backdoor and tomcat BackdoorIn Tomcat, the application deployment is very simple. You only need to put your WAR in the Tomcat webapp directory. Tomcat will automatically detect this file and decompress it. When accessing the Jsp of this application in a browser, it is usually very slow for the first time, because Tomcat needs to convert the Jsp into a Servlet File and then compile it. After compilation, the access wi
Windows Kernel startup, it is "BootRoot ". The foreign organization eBye is using this new Rootkit startup technology and gives this technology and its derivatives-"BootKit ", that is, "Boot Rootkit ".
How does Mebroot implement MBR infection and operation?
Mebroot is started earlier than Windows, and then the driver code is inserted into the kernel for execution, bypassing the Defects Detected by registry HIVE. At the same time, the underlying technology used blinded most Anti-Rootkit tools-be
dangerous functions and sensitive words in its code, but instead saves the real shell content after layers of encryption to the image, leaving only a URL on the server, and the URL is encrypted. So there is no external view of any features can be found, over the majority of the WAF and kill the soft Avira. The author's use of new ideas, and the front end of the combination of close, code simplification, a variety of artifice, different from the common Webshell back door, it is admirable!From:ht
Use bitwise inversion in PHP (~) Function creation backdoor, code variant Backdoor
1) PHP ~ Bitwise operators
Some time ago, a foreigner posted an interesting things on twitter. After accessing a string suspected of garbled characters, it could normally output 1337.
PHP: bitwise operator-http://www.php.net/manual/zh/language.operators.bitwise.php
~ $ ANot (bitwise inversion) sets the bitwise 0 in $ a1, and
Beep. sys/Trojan. ntrootkit.1192, msplugplay 1005.sys/ backdoor. pigeon.13201, etc. 1
Original endurer2008-06-24 1st
A netizen reported that his computer often pops up Advertisement Windows recently. Sometimes the response is slow and the program restarts. Please help me with the repair.
Download pe_xscan to scan logs and analyze the logs. The following suspicious items are found:
Pe_xscan 08-04-26 by Purple endurer 2008-5-22 12:36:54 Windows XP Servi
startup, it is "BootRoot ". The foreign organization eBye is using this new Rootkit startup technology and gives this technology and its derivatives-"BootKit ", that is, "Boot Rootkit ".How does Mebroot implement MBR infection and operation?Mebroot is started earlier than Windows, and then the driver code is inserted into the kernel for execution, bypassing the Defects Detected by registry HIVE. At the same time, the underlying technology used blinded most Anti-Rootkit tools-because it did not
EndurerOriginal
2006.11.101Version
A netizen's computer has been running very slowly recently. Let me check it out.Via QQ Remote Assistance.
Download hijackthis scan log from http://endurer.ys168.com and find the following suspicious items:/----------Logfile of hijackthis v1.99.1Scan saved at 10:18:40, onPlatform: Windows XP (winnt 5.01.2600)MSIE: Internet Explorer v6.00 SP1 (6.00.2600.0000)
R3-urlsearchhook: (No Name)-{BB936323-19FA-4521-BA29-ECA6A121BC78}-(no file)
F3-Reg: win. ini:
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