Website Security News
Earlier this year, we noticed an increase in attacks aiming at ThinkPHP, which is a PHP framework that is very popular in Asia. If you keep track of your site’s activity, the following log may look familiar: POST: /index.php?s=captcha HTTP/1.1 Data: _method=__construct&filter[]=system&method=get&server[REQUEST_METHOD]=uname&ipconfig In December 2018,…
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…
Read More about Malware Campaigns Sharing Network Resources: r00ts.ninja
During an incident response investigation, we detected an interesting piece of heavily obfuscated JavaScript malware. Once decoded, we found out that cryptominers were running on visitor’s computers when they accessed our…
This post provides a brief overview of how to manually remove server-side cryptominers and other types of Binary-Process-Cron malware from a server. Unlike browser-based JavaScript cryptominers that have been injected…
Read More about Cryptominers: Binary-Process-Cron Variants and Methods of Removal
We are all familiar with the conventional domain name notation, where different levels are concatenated with the full stop character (period). E.g. “www.example.com”, where “www” is a subdomain, “example” is…
Read More about CoinImp Cryptominer and Fully Qualified Domain Names
As we have previously discussed on this blog, surreptitious cryptomining continues to be a problem as new methods emerge to both evade and hasten the ease of mining at the…
Read More about An Old Trick with a New Twist: Cryptomining Through Disguised URL Shorteners
Update – March 28th, 2018: The fake Flash update files referenced in this post have been moved from GitHub to port.so[.]tl, and the bit.wo[.]tc script to byte.wo[.]tc. A few days…
Read More about GitHub Hosts Infostealers Part 2: Cryptominers and Credit Card Stealers
Recently we wrote about how GitHub/GitHub.io was used in attacks that injected cryptocurrency miners into compromised websites. Around the same time, we noticed another attack that also used GitHub for…
Read More about Malicious Website Cryptominers from GitHub. Part 2.
Recently, a webmaster contacted us when his AVG antivirus reported that the JS:Miner-C [Trj] infection was found on their site. Our investigation revealed a hidden iframe had been injected into…
Update Dec. 8 2017: The cloudflare[.]solutions domain has now been taken down. A few weeks ago, we wrote about a massive WordPress infection that injected an obfuscated script pretending to be…
Read More about Cloudflare[.]Solutions Keylogger on Thousands of Infected WordPress Sites
Last month we wrote about how the emergence of website cryptocurrency miners resulted in hackers abusing the technology by injecting the CoinHive miners into compromised sites without the consent of…
