Sucuri Blog
  • Products
    • Website Security Platform
    • Website Firewall (WAF)
    • Multi-Site plans
    • Custom & Enterprise Plans
    • Partnerships
  • Features
    • Detection
      Website Monitoring & Alerts
    • Protection
      Future Website Hacks
    • Performance
      Speed Up Your Website
    • Response
      Help For Hacked Websites
    • Backups
      Disaster Recovery Plan
  • Resources
    • Guides
    • Webinars
    • Infographics
    • Blog
    • SiteCheck
    • Reports
    • Email Courses
  • Pricing
  • Immediate Help
  • Login
Sucuri Blog
  • Products
    • Website Security Platform
    • Website Firewall (WAF)
    • Multi-Site plans
    • Custom & Enterprise Plans
    • Partnerships
  • Features
    • Detection
      Website Monitoring & Alerts
    • Protection
      Future Website Hacks
    • Performance
      Speed Up Your Website
    • Response
      Help For Hacked Websites
    • Backups
      Disaster Recovery Plan
  • Resources
    • Guides
    • Webinars
    • Infographics
    • Blog
    • SiteCheck
    • Reports
    • Email Courses
  • Pricing
  • Immediate Help
  • Login
  • Immediate Help
Login
Login

New Customer?

Sign up now.
  • Submit a ticket
  • Knowledge base
  • Chat now

Denis Sinegubko

194 posts
Denis Sinegubko is Sucuri’s Senior Malware Researcher who joined the company in 2013. Denis' main responsibilities include researching emerging threats and creating signatures for SiteCheck. The founder of UnmaskParasites, his professional experience covers over 20 years of programming and information security. When Denis isn’t analyzing malware, you might not find him online at all. Connect with him on Twitter.
Labs Note
  • Sucuri Labs
  • Website Malware Infections
  • WordPress Security

Side Effects of the Site_url Hack

  • Denis Sinegubko
  • November 20, 2018
We\’ve been cleaning many sites infected by the so-called site_url hack–the result of the WP GDPR Compliance plugin vulnerability. The sites are broken because their…
Read the Post
Massive GDPR Infection Pastebin
  • Website Security
  • WordPress Security

Hackers Change WordPress Siteurl to Pastebin

  • Denis Sinegubko
  • November 13, 2018
Last Friday, we reported on a hack that used a vulnerability in the popular WP GDPR Compliance plugin to change WordPress siteurl settings to erealitatea[.]net.…
Read the Post
Labs Note
  • Sucuri Labs
  • Website Malware Infections
  • WordPress Security

Fake Wp.org/jquery.js

  • Denis Sinegubko
  • October 30, 2018
There is a long-lasting malware campaign (dating back to at least 2016) that injects fake jQuery scripts: <script type=”text/javascript” src=”hxxps://www.XX[X]wp[.]org/jquery.js”></script> Where XX[X] are 2 or…
Read the Post
Saskmade Redirects
  • WordPress Security

Saskmade[.]net Redirects

  • Denis Sinegubko
  • October 26, 2018
Earlier this week, we published a blog post about an ongoing massive malware campaign describing multiple infection vectors that it uses. This same week, we…
Read the Post
Multiple Ways to Inject Tech Support Scams
  • WordPress Security

Multiple Ways to Inject the Same Tech Support Scam Malware

  • Denis Sinegubko
  • October 23, 2018
Last month, we shared information about yet another series of ongoing massive infections using multiple different vectors to inject malicious scripts into WordPress websites. Shortly…
Read the Post
Labs Note
  • Sucuri Labs
  • Website Malware Infections
  • WordPress Security

Multi-Vector WordPress Infection from Examhome

  • Denis Sinegubko
  • September 18, 2018
This September, we’ve been seeing a massive infection wave that injects malicious JavaScript code into .js, .php files and the WordPress database.> The script looks…
Read the Post
  • Website Security
  • WordPress Security

WordPress Database Upgrade Phishing Campaign

  • Denis Sinegubko
  • September 4, 2018
We have recently been notified of phishing emails that target WordPress users. The content informs site owners that their database requires an update and looks…
Read the Post
Massive WordPress Redirect Campaign Targets Vulnerable tagDiv Themes and Ultimate Member Plugins
  • Sucuri
  • Website Security
  • WordPress Security

Massive WordPress Redirect Campaign Targets Vulnerable tagDiv Themes and Ultimate Member Plugins

  • Denis Sinegubko
  • August 22, 2018
This August, we’ve seen a new massive wave of WordPress infections that redirect visitors to unwanted sites. When redirected, users see annoying pages with random…
Read the Post
WordPress URL Redirect
  • Website Malware Infections
  • WordPress Security

Fake Plugins with Popuplink.js Redirect to Scam Sites

  • Denis Sinegubko
  • August 17, 2018
Since July, we’ve been observing a massive WordPress infection that is responsible for unwanted redirects to scam and ad sites. This infection involves the tiny.cc…
Read the Post
RawGit CDN
  • Drupal Security
  • Website Malware Infections
  • Website Security
  • WordPress Security

RawGit CDN is Abused by CryptoLoot Cryptominers

  • Denis Sinegubko
  • July 31, 2018
Recently, we came across another way to use files from GitHub repositories in malware infections. This time the infections weren’t via GitHub.io, raw.githubusercontent.com, or github.com/<user>/<repository>/raw/…
Read the Post
  • Website Security

Hiding Malware Inside Images on GoogleUserContent

  • Denis Sinegubko
  • July 18, 2018
If you have been following our blog for a long time, you might remember us writing about malware that used EXIF data to hide its…
Read the Post
Search
Sucuri Sidebar Malware Removal to Signup Page
Sucuri Logo

Let’s Connect

Products
Website Firewall Website Security Platform WordPress Security Website Backups Hack Assistance Pricing
Solutions
DDoS Protection Malware Detection Malware Removal Malware Prevention Blacklist Removal SEO Spam Removal
USE CASES
Developers Ecommerce Agency Plans Enterprise Services HTTPS/2 Virtual Patching
Support
Knowledge Base SiteCheck Guides Research Labs Report Abuse Status Report
Company
About Sucuri Contact Blog Referral Partners Testimonials
Terms of Use Privacy Policy Do Not Sell My Personal Information Frequently Asked Questions

© 2025 GoDaddy Mediatemple, Inc., d/b/a Sucuri. All rights reserved.

back to top

'