How to Find a Website That Contains Malware
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High CPU Usage:
- Signs: A website using unusually high CPU may indicate malware. This could be due to the site connecting to a command and control server or mining cryptocurrency using the server's resources.
- Action: If the high CPU usage is unexpected, check running processes with
straceto identify unusual activity. Look for unfamiliar files or code in the site's home directory. - Preventive Measure: Limit
nprocand virtual CPU resources to prevent malware from monopolizing server performance.
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Long Running Binaries:
- Signs: A website’s application container typically only runs website-related processes like PHP. If you notice unexpected binaries or processes with strange names, it could be malware.
- Action: To terminate suspicious processes, use the following command:
kill -9 [process ID]
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Third-Party Security Plugins:
- Plugins to Consider: Use third-party security tools to detect and prevent malware, including:
- Bitninja
- CPguard
- Monarx
- Plugins to Consider: Use third-party security tools to detect and prevent malware, including:
These steps help identify and mitigate potential malware infections on websites.
