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Quttera LTD
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https://blog.quttera.com/post/website-corruption-php-7.2-migration/

Website owners who had recently migrated their sites from PHP 5.x to the latest version, 7.2. experienced compatibility issues between the versions that broke the sites! As a result, the visitors saw an HTTP 500 (internal server error) page. If you run into this problem, your site is safe, but you'll have to make some changes to get all the pages working again and return the traffic and sales to your website.

#php #webdevelopment #webmaster #antivirus #antimalware #website_security #quttera #ecommerce #small_medium_business
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https://blog.quttera.com/post/malvertising-hides-behind-legitimate-applications/

"Malvertising" — the injection of malicious code into sites by placing ads — is a sneaky threat. It subverts sites which users think are trustworthy. Often just viewing the ad, without clicking on anything, is enough for it to have a nasty effect. Website protection methods need to guard against hostile code in third-party ads.

In one of our customer cleanups, we discovered a case where malvertising rides on a legitimate application. This one looks relatively harmless, but it takes actions that the user hasn't authorized, and the technique could easily do much worse things. It looks like a test of the scheme's effectiveness.

#hacking #malware #website_security #antimalware #cyberaware #cyberattack #cybersecurity
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https://blog.quttera.com/post/decoding-obfuscated-javascript-with-google-chrome/

Malware distributors try to disguise their intentions. If a function plainly connects to a known criminal site, anti-malware software won't have a hard time catching it. For this reason, malicious JavaScript is usually obfuscated. The use of JavaScript malware has grown steadily over the years. Just last month our scanners identified 32,740 web pages with malicious JavaScript.

In this Decoding Obfuscated JavaScript Using Google Chrome post, we explain how malicious JavaScript obfuscation works and how you can uncover what it really does using Google Chrome's built-in developer tools.


#Google #cybersecurity #obfuscated_javascript #malware_analysis #cybersecurity #threatsign #quttera #website_protection
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How long would it take for the arbitrary website to get infected with malware?"⏳☣️ We set up a 'honeypot' website to run an experiment and measure that. The results are exciting. Find out the right answer in the post.

You think you know the answer without reading the post? Share with us your guess in the comments section!

#php_malware #website_security #wordpress_security #protect_your_website #quttera #wbsite_antimalware_tools #hacking

https://blog.quttera.com/post/generic-php-backdoor-malware-without-eval/
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https://blog.quttera.com/post/php-backdoor-malware-in-wordpress-theme-files/

While running a malware cleanup on an infected WordPress site, we discovered a simple but deadly backdoor function in the active theme. When it's in place, it lets an attacker run arbitrary PHP code using ordinary browser access.

How this attack works and what to do if you're hit?

#cybersecurity #wordpressthemes #wordpressmalware #infosecurity #cyberaware
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https://blog.quttera.com/post/suspicious-icon-files-on-your-website/

Harmless-looking files on your website aren't always harmless. Certain #Trojans try to disguise #malicious code as icon files and put them into your website.

How to detect and fix this problem on your website?

#cybersecurity #website_protection #antimalware #wordpress_malware
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