Recently, Drupal, a popular open-source content management framework, is found to contain a highly critical remote code execution vulnerability, which allows attackers to execute malicious code on a Drupal site, resulting in the site being completely compromised. This vulnerability is assigned CVE-2018-7600. The root cause of this vulnerability is related...
Category: Research & Reports
Traceback of a DDoS Attack
An abnormal increase in the CPU usage of a telecom carrier's 4G firewall substantially slowed down the access from some iPhone users to the Apple website. We suspected that the carrier was hit by a DDoS attack. With the visualized traceback function of NSFOCUS Big Data Security Analytics (BSA), we...
IcedID Banking Trojan Sample Technical Analysis and Solution
IcedID Banking Trojan Sample Technical Analysis and Solution Date of Release: November 17, 2017 Overview Recently, the IBM X-Force research team discovered a brand new banking Trojan dubbed IcedID. This Trojan was first found spreading in the wild in September 2017, mainly targeting systems used in the financial sectors of...
BadRabbit Sample Analysis and Recommended Solution
Overview A new type of ransomware was detected on October 24, when it had not been even half a year from the extensive breakout of the notorious ransomware Petya and WannaCry. This ransomware dubbed BadRabbit has been distributed in a number of European countries, including Russia, Ukraine, Bulgaria, Turkey, and...
Technical Analysis Report on Rowdy, A New Type of IoT Malware Exploiting STBs
In August 2017, NSFOCUS's DDoS situation awareness platform detected anoma-lous bandwidth usage over a customer's network, which, upon analysis, was confirmed to be a distributed denial-of-service (DDoS) attack. The attack was characterized by different types of traffic, including TCP flood, HTTP flood, and DNS flood. Tracing source IP addresses, we...
Past and Present of Underground Network Industry
The underground network industry has a long history and extensive coverage. What happened throughout its history? This document presents the definition, category, means, and examples of the underground network industry, as well as protection measures. Overview What is Underground Industry? Underground industry is a general name for a wide variety...





