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Website Backdoor

Attackers Abuse Cron Jobs to Reinfect Websites

February 21, 2023Ben Martin

Attackers Abuse Cron Jobs to Reinfect Websites

Malicious cron jobs are nothing new; we’ve seen attackers use them quite frequently to reinfect websites. However, in recent months we’ve noticed a distinctive new wave of these infections that appears to be closely related to this article about a backdoor that we’ve been tracking….

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The dangers of installing nulled wordpress plugins and themes

February 16, 2023Nathan Chaddock

The Dangers of Installing Nulled Themes & Plugins On WordPress

Nulled WordPress themes and plugins are a controversial topic for many in the web development world — and arguably one of the bigger threats to WordPress security. Essentially modified versions…

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Konami Code Backdoor Concealed in front.jpeg Image

February 2, 2023Ben Martin

Konami Code Backdoor Concealed in Image

Attackers are always looking for new ways to conceal their malware and evade detection, whether it’s through new forms of obfuscation, concatenation, or — in this case — unorthodox use…

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Massive Campaign Uses Hacked WordPress Sites as Platform for Black Hat Ad Network

January 24, 2023Denis Sinegubko

Massive Campaign Uses Hacked WordPress Sites as Platform for Black Hat Ad Network

Every so often attackers register a new domain to host their malware. In many cases, these new domains are associated with specific malware campaigns, often related to redirecting legitimate website…

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Backdoor Targets FreePBX Asterisk Management Portal

December 15, 2022Krasimir Konov

Backdoor Targets FreePBX Asterisk Management Portal 

Written in PHP and JavaScript, FreePBX is a web-based open-source GUI that manages Asterisk, a voice over IP and telephony server. This open-source software allows users to build customer phone…

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New SocGholish Malware Variant Uses Zip Compression & Evasive Techniques

November 15, 2022Ben Martin

New SocGholish Malware Variant Uses Zip Compression & Evasive Techniques

Readers of this blog should already be familiar with SocGholish: a widespread, years-long malware campaign aimed at pushing fake browser updates to unsuspecting web users. Once installed, fake browser updates…

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Wordfence Evasion Malware Conceals Backdoors

October 20, 2022Ben Martin

Wordfence Evasion Malware Conceals Backdoors

Malware authors, with some notable exceptions, tend to design their malicious code to hide from sight. The techniques they use help their malware stay on the victim’s website for as…

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Anatomy of WordPress Malware

July 5, 2022Mohit Jawanjal

Top 5 Most Common WordPress Malware Infections: An Anatomy Lesson

WordPress security is serious business – and an essential consideration for anyone using the world’s most popular CMS (Content Management System).   While the WordPress team quickly addresses known security issues…

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AnonymousFox

June 28, 2022Cesar Anjos

How to Find & Clean Up the AnonymousFox Hack

The AnonymousFox hack targets insecure websites and actively exploits them to spread phishing, spam, and other malware. A major nuisance for website owners, it also happens to be one of…

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2021 Threat Report Webinar

June 23, 2022Rianna MacLeod

2021 Threat Report Webinar

The threat landscape is constantly shifting. As attackers continue to hone their tools and exploit new vulnerabilities, our team works diligently to identify and analyze threats posed to webmasters. So…

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Analysis of the Massive NDSW/NDSX Malware Campaign

June 2, 2022Denis Sinegubko

Analysis of the Massive NDSW / NDSX Malware Campaign

Recently, Avast’s researchers Pavel Novák and Jan Rubín posted a detailed writeup about the “Parrot TDS” campaign involving more than 16,500 infected websites. Such massive infections don’t go unnoticed by…

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