Mayhem malware still on the wild
Jose Martinez Years ago, colleagues from Yandex introduced the concept of Mayhem infections. In that post, they provided very detailed information about the malware, its functionalities and…
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Website Malware Infections
839 posts
SEO spam loading from external site
Krasimir Konov Many websites get compromised and used for SEO in order to drive traffic to other websites that would usually be ranked very low or completely…
Evil Self-Regenerating WordPress Administrator User
Andrey Kucherov Attackers often aim to conceal their presence using different methods, such as injecting redirect scripts, creating spam pages, or hiding a mailer in checkout pages…
When Online Shopping leads to Malware download
Ahmad Azizan Idris Recently, during an incident response process, we worked on an interesting Magento website. This site was reported to having a strange redirection when users visited…
Expired Domain Leads to WordPress Plugin Redirects
A malicious redirect is a snippet of code used by attackers with the intention of redirecting visitors to another site; a very common tactic seen…
Small One-liner Backdoor
Samuel Odendaal During an incident response investigation, we detected an interesting backdoor that was small but had the potential to give the attacker full access to your…
JavaScript Used to Generate Malicious Documents
When talking about compromised environments, we often think that the website itself is the end goal but that’s not always true. In some cases, attackers…
Decoding Complex Malware – Step-by-Step
Rodrigo Escobar When cleaning websites, one of the most complicated parts of our job is ensuring we find all backdoors. Most of the time, attackers inject code…
Mobile Malware Targets eCommerce Websites & Users
Moe O A mobile malware is a malicious software that targets mobile/smartphones, tablets and similar devices. The attacks may vary from fatal damage to the OS (bricking)…
PHP Script Nukes All Website Files
Ben Martin Most malware and spam that we come across has some sort of discernable purpose to it, usually something which benefits the attackers financially. This is…
Register My Backdoor – Unorthodox Invocation Mechanisms
Denis Sinegubko Backdoors are found in 72% of infected websites, according to our latest reports. Backdoors are files left on the server by attackers in order to retain…