Alibaba cloud mining program can't get in
a new customer recently consulted with sine security company, saying that his server often fails to open the website of the card, and the remote connection to the server is extremely slow. Sometimes the Ping value reaches 300-500, and he often switches. After listening to the customer's words,
will generally judge that he has been attacked by CC + DDoS mixed traffic, It's strange to say that there is no traffic attack on the computer room. It's not a traffic attack, but it also causes the server card and website to fail to open. What kind of attack is this? In order to solve the problem of
client server card, we immediately arranged a security engineer to carry out security detection and deployment on his Linux server
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mining Trojan horse is also designed. If the mining process is forced to stop by customers, it will automatically start to continue mining to achieve uninterrupted mining.
careful inspection shows that it is through setting the hourly task plan, remotely downloading shell mining Trojan horse, and then executing, Check whether the current process exists or not. If not, start the Trojan horse to mine
a detailed security inspection was carried out on the client's Linux server. It was found that fortunately, there was no encrypted server data, and the worm was infected with the disease through the security detection and analysis of our security engineers, we found that the server uses Apache Tomcat environment, the open architecture of the platform is JSP + Oracle database, and Apache Tomcat uses the version of 2016, which leads to the serious remote command execution vulnerability of Apache, Through this vulnerability, the intruder can directly invade the server and get the administrator permission of the server,
virus. If the data was encrypted, the loss would be great. The client was a platform, and the client's data was very important. After finding out the mining Trojan horse,
do customers need to know how the server is attacked? Was the Trojan horse uploaded? It can prevent the attack
in the later stage
sine security engineer immediately repairs the Apache vulnerability and clears the Trojan horse. So far, the problem has been solved, the client server
runs stably, and the network station opens normally
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This button is to restart the advanced mining machine.
automatic mining needs to put a box next to the advanced mining machine, power on the advanced mining machine, and put od or ov on it. Set the black and white list, set whether to collect accurately, and add or upgrade it.
Cause analysis:
most of the information on the Internet is e to the following three reasons:
one of the reasons for this problem: the guiminer program is incomplete, please download the green pure version again
the second reason for this problem is that your computer's Windows Installer service is not turned on
the solution is to open the control panel → management → service, start the Windows Installer service, set it to automatic, and then restart the computer
the third reason for this problem is that you do not have the runtime of visual studio installed on your computer
this application is developed by Visual Studio 2005 and above, and it depends on the corresponding runtime, which is not installed on your computer For the application developed by VC6 or VS2003, if the library file is missing, it will prompt that "* *. DLL" is missing. However, for the application developed by VS2005 or VS2008, it will only prompt that "e to the incorrect configuration of the application...")
the solution is not to reload the application program or the system, but to install the corresponding runtime (Microsoft Visual C + + 20 * * redistributable package, vcredist)_ x86.exe
} it's really difficult to distinguish which version of vs your program is developed, and even some software is developed in multiple versions, that is, multiple vcredist_ X86.exe are installed, they are compatible with each other, you can solve most of your computer software problems of the same kind After 2005 and 2008 are installed, "add / Remove Programs" will be displayed, as shown in Figure 5)
- "20 * *" stands for "2005" or "2008" or "2009" or "2010" below
required installation package
only need one file_ X86.exe
steps
open the control panel → management tools → services. If the Windows Installer service is not started, set it to automatic, and then restart the computer. If the problem is not solved, continue
you can preliminarily judge which version of vs your program was developed
(open the directory where the application is located, and search whether there are files beginning with MFC or MSVC. If there are, please check the file version to know the VC version. As shown in the figure below, 8 is developed by VC8.0, 9 is developed by vc9.0)
the VC version of VS2003 is VC. 1,
the VC version of VS2005 is VC8.0,
the VC version of VS2008 is vc9.0
check whether Microsoft Visual C + + 20 * * redistributable package is installed in the "add / Remove Programs" of the control panel
if there is no Microsoft Visual C + + 20 * * redistributable in the figure above, continue
download the Microsoft Visual C + + 20 * * redistributable package from the Microsoft Download Center. The file has 32 bits (x86) and 64 bits (x64). The download address is as follows
double click to run the vcredist downloaded just now_ X86.exe, which will automatically install Microsoft Visual C + + 20 * * redistributable package
check whether there is this item in "add / Remove Programs"
if there is this item, it means the installation is successful. Then open your application, if there is no error, then the problem is solved