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

187 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.
Bogus URL Shorteners Go Mobile-Only in AdSense fraud campaign
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

Bogus URL Shorteners Go Mobile-Only in AdSense Fraud Campaign

  • Denis Sinegubko
  • September 5, 2023
Since September 2022, our team has been tracking a bogus URL shortener redirect campaign that started with just a single domain: ois[.]is. By the beginning…
Read More
From Google DNS to Tech Support Scam Sites: Unmasking the Malware Trail
  • Website Malware Infections
  • Website Security
  • WordPress Security

From Google DNS to Tech Support Scam Sites: Unmasking the Malware Trail

  • Denis Sinegubko
  • August 10, 2023
A vast majority of website malware employ the ever-familiar HTTP/HTTPS protocols for its malicious activities. But, we also periodically confront more interesting hybrid malware leveraging…
Read More
SiteCheck Mid-Year Report Hacked Websites
  • Ecommerce Security
  • Security Education
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

SiteCheck Remote Website Scanner — Mid-Year 2023 Report

  • Denis Sinegubko
  • August 8, 2023
Conducting an external website scan for indicators of compromise is one of the easiest ways to  identify security issues. While remote scanners may not provide…
Read More
Google Colab Spam
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

Massive Google Colaboratory Abuse: Gambling and Subscription Scam

  • Denis Sinegubko
  • July 18, 2023
This investigation started with a small and quite simple piece of PHP malware found on a hacked website. We located the following PHP code, responsible…
Read More
New Xjquery Wave of WordPress SocGholish Injections
  • Website Malware Infections
  • Website Security
  • WordPress Security

Xjquery Wave of WordPress SocGholish Injections

  • Denis Sinegubko
  • May 9, 2023
In November, 2022, my colleague Ben Martin described how hackers were using zipped files and encrypted WordPress options stored in the database to inject SocGholish…
Read More
Balada Injector: Synopsis of a Massive Ongoing WordPress Malware Campaign
  • Website Malware Infections
  • Website Security
  • WordPress Security

Balada Injector: Synopsis of a Massive Ongoing WordPress Malware Campaign

  • Denis Sinegubko
  • April 6, 2023
Our team at Sucuri has been tracking a massive WordPress infection campaign since 2017 — but up until recently never bothered to give it a…
Read More
Massive Campaign Uses Hacked WordPress Sites as Platform for Black Hat Ad Network
  • Website Malware Infections
  • Website Security
  • WordPress Security

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

  • Denis Sinegubko
  • January 24, 2023
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…
Read More
Chinese Gambling Spam Leverages World Cup Keywords
  • Website Malware Infections
  • Website Security

Chinese Gambling Spam Targets World Cup Keywords

  • Denis Sinegubko
  • December 2, 2022
Since 2018, our team has been tracking an interesting type of website infection where the <title> tag of a hacked website is changed to Chinese…
Read More
New Wave of SocGholish cid=27x Injections
  • Website Malware Infections
  • Website Security

New Wave of SocGholish cid=27x Injections

  • Denis Sinegubko
  • November 23, 2022
On November 15th, Ben Martin reported a new type of WordPress infection resulting in the injection of SocGholish scripts into web pages. The attack loads…
Read More
Gambling SEO Spam in Visual Composer Raw HTML Element: vc_raw_html
  • Website Malware Infections
  • Website Security
  • WordPress Security

Gambling Spam in Visual Composer Raw HTML Element: [vc_raw_html]

  • Denis Sinegubko
  • September 14, 2022
Bad actors often look for clever ways to boost the rankings and visibility of their spam pages in search. One of the many black hat…
Read More
SocGholish and NDSW NDSX malware, FakeUpdates, SilverFish (SolarWind) and ransomware
  • Security Education
  • Sucuri Labs
  • Website Malware Infections
  • Website Security
  • WordPress Security

SocGholish Malware: Script Injections, Domain Shadowing, IPs & Obfuscation Techniques

  • Denis Sinegubko
  • August 16, 2022
Earlier this June, we shared information about the ongoing NDSW/NDSX malware campaign which has been one of the most common website infections detected and cleaned…
Read More
Search
Sucuri Sidebar Promo
Sucuri Sidebar Malware Removal to Signup Page
  • Products
    • Website Firewall
    • Website Security Platform
    • Website Backups
    • WordPress Security
    • Enterprise Services
  • Solutions
    • DDoS Protection
    • Malware Detection
    • Malware Removal
    • Malware Prevention
    • Blacklist Removal
  • Support
    • Knowledge Base
    • SiteCheck
    • Research Labs
    • Report Abuse
    • Status Report
  • Company
    • About Sucuri
    • Contact
    • Blog
    • Referral
    • Testimonials
Sucuri Blog
  • Terms of Use
  • Privacy Policy
  • Do Not Sell My Personal Information
  • Frequently Asked Questions
© 2023 GoDaddy Mediatemple, Inc., d/b/a Sucuri. All rights reserved.

Sucuri Cookie Policy
See our policy>>

Our website uses cookies, which help us to improve our site and enables us to deliver the best possible service and customer experience.