The elegant dropper – reusable code for PHP shell installation
Yuliyan Tsvetkov During our malware research role, we analyze hundreds (if not thousands) of malware samples every day. Quite often, highly-obfuscated techniques are used by attackers to…
Month: May 2017
13 posts
Personal Security Guide – WiFi Network
Caleb Lane This is the third part in our series on personal security that offers methods to strengthen your overall security posture. By taking a holistic approach…
Simple $_COOKIE backdoor (variation)
Fernando Barbosa There are many ways to develop a backdoor and virtually all of them share a similar goal – not to be discovered. To achieve that,…
New Non-HTTPS Websites Blacklisted for Phishy Password Practices
Cesar Anjos We submit hundreds of blacklist review requests every day after cleaning our clients’ websites. Google’s Deceptive Content warning applies when Google detects dangerous code that…
Personal Security Guide – Online Accounts
In our last post on browser security, we talked about how developing a broader security mindset can help keep your website safe. By taking steps…
Personal Security Guide – Web Browsers
If your computer is infected, malware can spread to your website through text editors and FTP clients. Weak passwords are also vulnerable to brute force…
SQL Injection Vulnerability in Joomla! 3.7
Marc-Alexandre Montpas During regular research audits for our Sucuri Firewall (WAF), we discovered a SQL Injection vulnerability affecting Joomla! 3.7 – CVE-2017-8917. The vulnerability is easy to exploit and…
Website Availability and Security When Migrating Hosts
Brett Townsend Website security is a continuous process. It’s not something that should be turned on when the time is right; rather integrated into the full scope…
Tricky malvertising injections
Abdelli Nassereddine When a website is compromised, one of the most interesting and challenging tasks we perform is identifying all malware to prevent attackers from regaining access…
Fake WordPrssAPI Stealing Cookies and Hijacking Sessions
Cookies are stored in the user’s browser to track behavior on a specific website. They also keep a user logged in during the active browsing…
Introducing the New Sucuri Customer Dashboard
Daniel Cid Over the course of the last year, our teams have been getting creative and making a collaborative effort to improve the experience of our customer…