Past and Present of Underground Network Industry

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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 […]

WannaCry Malware Sample Analysis

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Overview The sample exploits the ETERNALBLUE SMB vulnerability or DOUBLEPULSAR backdoor for propagation and infection of the ransomware. The sample first connects to the domain name http://www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com to test network connectivity. If the network is reachable the sample exits; otherwise, the sample carries out subsequent behaviors. Therefore, a reachable domain […]