Technical Analysis and Solution of WebLogic Server (WLS) Component Vulnerability

Overview Recently, NSFOCUS has received a slew of reports from customers in the finance, telecom, and Internet sectors on similar security events. Through analysis, NSFOCUS believes that these events are all associated with the malware-infected WebLogic Server (WLS) host. Specifically, attackers exploit the WLS component vulnerability (CVE-2017-10271) to attack the […]

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 […]

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 […]

Analysis and Solution of Spring Data REST Server PATCH Request RCE Vulnerability

  Overview Recently, Pivotal released a security advisory to reveal the Spring Data REST server is prone to a remote code execution vulnerability (CVE-2017-8046) when processing PATCH requests. Attackers could exploit this vulnerability by sending a crafted PATCH request to the Spring Data REST server. The submitted JSON data contains […]

Struts 2 S2-052 REST Plug-in Remote Code Execution Vulnerability Analysis

Overview On September 5, 2017, Apache Struts released the latest security bulletin announcing that the REST plug-in in Apache Struts 2.5.x and some 2.x versions is prone to a high-risk remote code execution vulnerability, which has been assigned CVE-2017-9805 (S2-052). When using an XStream handler with an instance of XStream […]

Analysis of Phishing Attacks Targeting Ukrainian Banks

Overview On August 17, 2017, the National Bank of Ukraine (NBU) warned financial institutions in the country about a potential cyberattack. The virus would exploit the CVE-2015-2545 vulnerability to cause remote code execution by sending emails with the code disguised as a Microsoft Word document. Subsequently, a cybersecurity institution found […]