Quttera web security blog

CRLF Injection Attacks

6 May, 2019 crlf injection attack quttera waf web application firewall website security malware cleanup remove malware infected website

Learn more about CRLF injection attacks and how Quttera WAF as a part of ThreatSign platform protects you from it.

Cross Site Request Forgery Attacks

29 Apr, 2019 cross site request forgery attack quttera waf website security malware cleanup remove malware infected website

Learn how a Cross Site Request Forgery or CSRF attack works and how Quttera WAF as a part of ThreatSign platform protects you from it.

How a DNS Attack Could Steal Your Business Site Traffic

22 Apr, 2019 traffic direction systems ddos malware cleanup remove malware website security infected website

Defending against DNS attacks is difficult, but there are ways to reduce the harm they cause. Here are some tips to recognize the problem.

Protecting Your Website from Phishing Kits

25 Feb, 2019 phishing phishing kit 16 shop apple phishing website security hacking

Phishing schemes fool even careful people. Deceptive messages lead their victims to a website that looks like a legitimate login page for a well-known website

Quttera Web Application Firewall Statistics for 2018

29 Jan, 2019 web application firewall quttera waf website security vulnerability exploits malicious traffic

In July 2018 we launched our next-generation Quttera Web Application Firewall (WAF). In the period from July through December, it handled 48,180,062 requests and blocked 617,074 attacks.

Avoid Website Corruption when Migrating to PHP 7.2

21 Jan, 2019 php malware website security hacking infected website

If your website is presenting you with problems, it may not be malware. Recent cases have shown that when switching over to the latest PHP 7.2, there have been compatibility issues causing the site to crash.

Malvertising Hides Behind Legitimate Applications

14 Jan, 2019 malvertising malicious ads adware malware cleanup remove malware website security infected website

Malvertising often rides on a legitimate application, allowing it to take actions that the user hasn’t authorized - or worse.

Decoding Obfuscated JavaScript Using Google Chrome

7 Jan, 2019 malicious javascript obfuscated malicious javascript malware cleanup remove malware website security infected website

Google Chrome’s built-in developer tools give you everything you need to undo obfuscated JavaScript. If you run into some JavaScript which you think may be malicious, they can help you decipher it.

Generic PHP Backdoor Malware Without Eval

31 Dec, 2018 php malware wordpress malware malware cleanup remove malware website security infected website

While some users may be able to look for backdoor malware on their own, the hackers are using methods that are much trickier to detect. With ThreatSign, you can avoid backdoor malware, or even catch it before it’s too late.

PHP Backdoor Malware in WordPress Theme Files

9 Dec, 2018 php malware wordpress malware malware cleanup remove malware website security infected website

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.

Suspicious Icon Files on Your Website

14 Nov, 2018 malware cleanup remove malware website security wordpress malware infected website

Harmless-looking files on your website aren’t always harmless. They can be malware in disguise. By using a file extension that shouldn’t be able to execute, they avoid getting caught by anti-malware software.

Website Malware Removal Guide, Part 3: Post Cleanup and Hardening

11 Oct, 2018 malware cleanup remove malware website security wordpress malware infected website

Once your website is free of malware, it’s time to perform proactive steps to harden the website configuration and set up periodic checks to make sure the site stays clean.

Website Malware Removal Guide, Part 2: The Cleanup Process

10 Oct, 2018 malware cleanup remove malware website security wordpress malware infected website

Once you have completed the Website Malware Removal Guide, Part 1: Preparation, it’s time to begin part 2, the cleanup process

Website Malware Removal Guide, Part 1: Preparation

9 Oct, 2018 malware cleanup remove malware website security wordpress malware infected website

At Quttera, our goal is to provide the best level of services to our customers during the malware remediation process. In this series, we will provide instructions to help anyone with moderate computer skills to fix a hacked website.

Quttera WordPress Malware Scanner v.3.2.1.0

3 Oct, 2018 wordpress malware php malware website security hacking remove malware malware on website malware cleanup infected website

Release 3.2.1.0 of the Quttera WordPress Malware Scanner adds several valuable enhancements to an already powerful tool. Users who have the plugin installed can update it from the WordPress administrative dashboard

WordPress Hack with wp-crawler.php to Serve Geolocation Aware Ads

23 Sep, 2018 wordpress malware php malware website security hacking remove malware malware on website malware cleanup infected website

Massive Wordpress hacking campaign using wp-crawler.php to redirect website visitors to geolocation-aware advertising websites.

How to Address the Spike in wp_vcd Infection During the Last Few Days

12 Sep, 2018 wordpress malware php malware website security hacking remove malware malware on website malware cleanup infected website

If you own or manage a small to medium-sized business, then you should be aware of the widespread wp_vcd malware attack that is compromising WordPress users across the globe.

Malware Analysis - Infection Injected via the Security Vulnerability of TagDiv Themes and UltimateMember Plugins

30 Aug, 2018 malware redirects wordpress malware traffic direction systems website security malware on website malware cleanup infected website

Malware Analysis - Infection Injected via the Security Vulnerability of TagDiv Themes and UltimateMember Plugins

Spam? How to Prevent Your Website From Becoming a Source

23 Aug, 2018 spam website security hacking remove malware malware on website malware cleanup infected website

Spam is a growing problem; 14.5 billion spam emails being sent every single day. In fact, 45% of all sent emails are spam. How can you prevent your website from becoming a source?

Chase Bank Phish Kit Now Found in the Wild

9 Jul, 2018 phishing website security hacking remove malware malware on website malware cleanup infected website

The latest phish kit to show up in the world mimics the Chase Bank login page. It is designed to gather the user’s chase bank login credentials, social security number, mother’s maiden name, date of birth, and card details, and send them to a pre-set email address.

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