Executive Overview There was a 34.06% increase in number of IP addresses globally in the NSFOCUS IP Reputation databases this month compared to both the beginning of the year and post WannaCry and Petya (33.17% through July). Globally the number of Botnets did not change significantly. However, the overall percentage...
Categoria: Blog
Phantom Squad – DDoS Threat
Overview It appears that the new syndicate of the Armada Collective referred to as the Phantom Squad is planning to launch a global DDoS attack on September 30th. Below you will find a screenshot of the mass spear-phishing email that has been distributed to many organization and companies around the...
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...
Joao Malware Analysis
Overview Security researchers from the security firm ESET spotted a piece of malware dubbed Joao targeting gamers. This malware is found inside an Aeria game installation pack provided by a third party. Upon the start of a game, this malware runs in the background, sending the victim's machine information to...
Moyou Trojan Analysis
Overview On August 2, 2017, ANTIY discovered a new DDoS trojan and dubbed it Moyou. After obtaining the related sample, NSFOCUS conducted a detailed analysis of the trojan. Sample Analysis The following figure shows the detection result of NSFOCUS Threat Analysis Center (TAC). The sample obtains the C&C server address...
