How to remedy the malicious tampering of the website? Full sharing of practical repair solutions

for enterprises or individual webmasters, the website is the core window for external display and business development. Once the website is maliciously tampered with, it will not only affect user trust, but also may lead to damage to brand perception, business stagnation and even data leakage. In the face of sudden website maliciously tampered problems, many webmasters are often at a loss and do not know where to start to repair. This article will find long-term protection from emergency stop loss, technical repair, and root cause, and share a complete set of website maliciously tampered remedies for you to help webmasters quickly restore the normal state of the website.

How to urgently stop loss after the website is maliciously tampered with?

found that the website was maliciously tampered with, the first task is to control the expansion of the situation and avoid more serious losses.

1, temporarily close or quarantine abnormal pages

if the site is maliciously tampered with only part of the page, can be modified through the server control panel or code, the abnormal page temporarily jump to the normal page or official statement page, to avoid users accessing the illegal content; if the entire site has been a large area of tampering, can temporarily close the site and publish an announcement to inform users that the site is being maintained, reduce negative impact.

2, backup the current abnormal state data

don't rush to delete the tampered content, first complete backup of all the files and databases of the current website, which can not only provide a basis for subsequent investigation of tampering methods and traceability of attack sources, but also avoid misoperation resulting in the loss of the original data source.

2. Technical repair steps after the website is maliciously tampered with?

complete the emergency stop loss, it is necessary to enter the core technical repair link, through professional means to restore the normal function and content of the website, which is the key to solve the problem of malicious tampering of the website.

1, restore website content through backup

give priority to recent, verified clean backup files for recovery, including website program files and database content. Before recovery, confirm that the backup files are not infected. After recovery, check whether the page content and functions are normal one by one to ensure that the website is restored to the stable state before being tampered with.

2, clean up malicious code and backdoors

if there is no available clean backup, you need to manually clean up the malicious code. Through the code comparison tool, compare the current file with the official original program file one by one to find the tampered code fragments and delete them; at the same time, focus on investigating the hidden directory of the website, suspicious script files, clean up the backdoor left by the attacker, and prevent the website from being maliciously tampered with again.

How to investigate the root cause of the website being maliciously tampered with?

repair the site, can not ignore the root cause investigation, only to find the reason for the malicious tampering of the site, in order to prevent similar problems from the source again, to avoid being tampered with - repair - and then be tampered with vicious circle.

1, check server and program vulnerabilities

check the server's system logs, access logs, troubleshooting whether there are abnormal login records, batch file modification records; at the same time check whether the CMS programs, plug-ins, templates used by the website have unrepaired security bugs, many websites are maliciously tampered with because of the use of old programs that have not been timely updated or plug-ins with vulnerabilities.

2, check account permissions and security settings

check the background of the site, the server's account permissions, whether there are too high permissions of ordinary accounts, whether there are unfamiliar account registration records; at the same time check the password complexity settings, many attackers will be through the weak password violent cracking login background, which leads to malicious tampering of the site, so make sure that all accounts use strong passwords and open secondary verification.

How to protect the website for a long time after it is maliciously tampered with?

solve the problem of malicious tampering of the current website, it is also necessary to establish a long-term security protection system, improve the anti-attack ability of the website, and fundamentally reduce the risk of malicious tampering of the website.

1, regularly update and backup website data

develop the habit of regularly updating website programs, plug-ins, templates, and timely repair of official security bugs; at the same time, regularly backup website files and databases, backup files should be stored in an independent safe location, avoid storage at the same address as the server, and ensure that the website can be quickly restored when maliciously tampered with.

2, build a multi-layer security protection system

install security protection software at the server level, open firewalls and intrusion detection functions; deploy web application firewalls at the website level to intercept malicious requests, SQL injection, XSS attacks and other common attack methods; at the same time restrict background login IP, only allow the address of the specified IP segment to access the background, further enhance the security level of the website.

To sum up, in the face of the problem of malicious tampering of the website, it is necessary to deal with it in an orderly manner according to the steps of emergency stop loss, technical repair, root cause investigation and long-term protection.