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...
Categoria: Emergency Response
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...
Remote Access Trojan KONNI Targeting North Korea Technical Analysis and Solution
This July a remote access trojan (RAT) KONNI was discovered to be involved in a cyberattack targeting North Korea, which was presumably linked to South Korea. This RAT spreads mainly through phishing emails. Specifically, the attacker first tries to have a powershell script executed via an .scr file, and then...
