During the past year, our Remediation department has seen a large increase in the number of fully spammed sites. The common factors are strangely named and unusually located favicon.ico files, along with the creation of “bak.bak” index files peppered around the website. In the majority of the cases, the pattern is similar regardless of the […]
Tag Archives: Website Backdoor
Return to the City of Cron – Malware Infections on Joomla and WordPress
We recently had a client that had a persistent malware infection on their shared hosting environment that would re-infect the files quickly after we had cleaned them. The persistence was being created by a cron that was scheduled to download malware from a third party domain. Persistent Malware Infection on WordPress and Joomla Websites This […]
Cronjob Backdoors
Attackers commonly rely on backdoors to easily gain reentry and maintain control over a website. They also use PHP functions to further deepen the level of their backdoors. A good example of this is the shell_exec function which allows plain shell commands to be run directly through the web application, providing attackers with an increased […]
Malware Campaigns Sharing Network Resources: r00ts.ninja
We recently noticed an interesting example of network infrastructure resources being used over a period of time by more than one large scale malware campaign (e.g redirected traffic, cryptomining). This was discovered when reviewing sources of the various malicious domains used in a recent WordPress plugin exploit wave. Mass Infection of WordPress Websites The latest Easy […]
Hacked Website Trend Report – 2018
We are proud to be releasing our latest Hacked Website Trend Report for 2018. This report is based on data collected and analyzed by the GoDaddy Security / Sucuri team, which includes the Incident Response Team (IRT) and the Malware Research Team (MRT). The data presented is based on the analysis of 25,168 cleanup requests […]
Hacked Website Trend Report – 2018
We are proud to be releasing our latest Hacked Website Trend Report for 2018. This report is based on data collected and analyzed by the GoDaddy Security / Sucuri team, which includes the Incident Response Team (IRT) and the Malware Research Team (MRT). The data presented is based on the analysis of 25,168 cleanup requests […]
My Website Was Hacked on Christmas Eve
Christmas is a wonderful time to spend with family and friends. A lot of kids look forward to opening their presents under the Christmas tree, but not all of them have a present to open. This is why our family started a charity project in 2007 called the Shoebox Project. A few years later, my […]
Using Innocent Roles to Hide Admin Users
All across the internet, we find guides and tutorials on how to keep your WordPress site secure. Most of them approach the concept of user roles, but not many actually approach the capabilities of those roles. The way the capabilities are handled on WordPress makes it quite easy to change what each role is allowed […]
Multiple Ways to Inject the Same Tech Support Scam Malware
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 after, the campaign changed the domain names used in its scripts. Now it mainly uses hotopponents[.]site and learningtoolkit[.]club. At the time of this writing, PublicWWW finds the most common patterns […]
Backdoor Uses Paste Site to Host Payload
Finding backdoors is one of the biggest challenges of a website security analyst, as backdoors are designed to be hidden in case the malware is found and removed. Website Backdoors A backdoor is a piece of malware that attackers leave behind to allow them access back into a website. Hackers like to inject code into different locations to […]
