Ghostscript -dSAFER Multiple Sandbox Bypass Vulnerabilities Threat Alert
setembro 2, 2019
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Vulnerability Description
On August 28, 2019, Artifex submitted “Bug 701446: Avoid divide by zero in shading” on the master branch of Ghostscript and announced remediation of four -dSAFER sandbox bypass vulnerabilities. -dSAFER is a security sandbox used by Ghostscript for prevention of insecure PostScript operations. (mais…)
Ghostscript -dSAFER Sandbox Bypass Vulnerability (CVE-2019-10216) Threat Alert
agosto 30, 2019
Overview
Recently, Ghostscript announced the discovery of the -dSAFER sandbox bypass vulnerability (CVE-2019-10216). The .buildfont1 procedure in Ghostscript does not properly restrict privileged calls, which allows attackers to escalate privileges and access files beyond the restricted domain. (mais…)
Botnet Trend Report-11
agosto 28, 2019
4.2.2 Analysis During the first quarter of 2018 when BillGates was extremely active, the family was found to attack 3962 targets, most of which were in two Central American countries. The following map shows the distribution of BillGates targets in China that NSFOCUS was able to directly monitor. BillGates ignored common ports, such as 22, […]
What You Should Know About DDoS Incident Response
agosto 27, 2019
This document addresses the overall strategy and process for DDoS incident response and provides detailed analysis of and countermeasures against some typical attacks, in a bid to help organizations respond to DDoS attacks more effectively and efficiently. Therefore, we will not dwell upon specific methods of and configurations of specific mitigations against each type of DDoS attack. (mais…)
Adobe Security Bulletins for August 2019 Security Updates Threat Alert
agosto 26, 2019
Overview
On August 13, 2019, local time, Adobe officially released August’s security updates to fix multiple vulnerabilities in its various products, including Adobe Photoshop CC , Adobe Experience Manager, Adobe Acrobat and Reader, Adobe Creative Cloud Desktop Application, Adobe Prelude CC, Adobe Premiere Pro CC, Adobe Character Animator CC, and Adobe After Effects CC. (mais…)
Information Security in the Workplace- password grading
agosto 24, 2019
With the advancement of IT-based transformation and the rapid development of IT, various network technologies have seen more extensive and profound applications, along with which come a multitude of cyber security issues. Come to find out what information security issues you should beware of in the workplace. (mais…)
Banking Trojan Banjori Analysis Report
agosto 23, 2019
1 Sample Introduction
Banjori is a banking trojan that has been active since it was first spotted in 2013. It identifies personal online banking users in France, Germany, and the USA as major targets. After infecting a user, the trojan injects a malicious payload into the user’s active processes and collect the user’s information. Banking trojans and Banjori are mainly used to steal information via browsers.. Compared to Internet Explorer and Chrome, Firefox is a more sought after target for Banjori, which steals the majority of user information via query of hook and database files of the browser. It is worth noting that this family started to use the then modern dynamic domain generation algorithm (DGA) to obtain C&C server addresses in 2013. This renders the traditional blacklist of antivirus software ineffective, but also creates conditions for destroying andtaking over the Banjori botnets. (mais…)
IP Reputation Report-08192019
agosto 22, 2019
Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at August 19, 2019. Top 10 countries in attack percentage: The Palestine is in first place. The Curacao is in the second place. The country China (CN) is […]
Botnet Trend Report-10
agosto 21, 2019
4.2 BillGates: Best Cross-Platform Family
In February 2014, a new botnet family was reported by the Russian website, habr5 and named BillGates because of its bill and gates modules. Subsequently the research group, MalwareMustDie reported that botnet family was operated by a Chinese hacker group, closely related with other known families such as ChinaZ and Elknot. This has helped BillGates attract wide attention. (mais…)
