WooCommerce Credit Card Skimmer Reveals Tampered Plugin
Ben Martin Disclaimer: The malware infection described in this article does not affect the software plugin as a whole and does not indicate any vulnerabilities or security…
Magbo Spam Injection Encoded with hex2bin
We recently had a new client come to us with a rather peculiar issue on their WordPress website: They were receiving unwanted popup advertisements but…
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…
Bogus URL Shorteners Redirect Thousands of Hacked Sites in AdSense Fraud Campaign
Late last year we reported on a malware campaign targeting thousands of WordPress websites to redirect visitors to bogus Q&A websites. The sites themselves contained…
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…
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.…
![Massive ois[.]is Black Hat Redirect Malware Campaign Targets WordPress Sites](https://blog.sucuri.net/wp-content/uploads/2022/11/BlogPost_Feature-Image_1490x700_PHP-Login-Stealer-390x183.png)
Massive ois[.]is Black Hat Redirect Malware Campaign
Since September 2022, our research team has tracked a surge in WordPress malware redirecting website visitors to fake Q&A sites via ois[.]is. These malicious redirects…
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…
New Malware Variants Serve Bogus CloudFlare DDoS Captcha
When attackers shift up their campaigns, change their payload or exfiltration domains, and put some extra effort into hiding their malware it’s usually a telltale…
Magento Supply Chain Attack Targets Extension Developer FishPig
Magento store owners using the popular FishPig extensions should be wary of a recent supply chain attack which compromised their software repository. FishPig released a…
Examining Less-Common WordPress Credit Card Skimmers
Since 2020 considerable attention has been spent analysing the emergence of MageCart malware within WordPress environments which most commonly affects sites using WooCommerce. As demonstrated…