3.4 DDoS Attacks 3.4.1 Behavior Seen Effective attack instructions are botnet attack instructions that control a task other that starting and stopping.  Effective attack instructions captured in 2018 included DDoS, Local Area Network (LAN) scanning, and vulnerability exploits among other types of attacks. There were 440,000 DDoS attack instructions issued from botnet families, constituting most […]

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 July 28, 2019.   Top 10 countries in attack percentage: The Palestine is in first place. The Curacao changes from fourth to second. The country China (CN) is […]

Overview On July 17, 2019, local time, Drupal released a security advisory on the remediation of an access bypass vulnerability (CVE-2019-6342). In Drupal 8.7.4, when the experimental Workspaces module is enabled, an access bypass condition is created. In terms of the security risk, Drupal rates the vulnerability as Critical.

River blockage used to be a great survival crisis in ancient times. Similarly in cyberspace, distributed denial-of-service (DDoS) attacks have become a devastating disaster. As we all know, DDoS attacks are  destructive attacks and after over 10 years of evolution, such attacks have become an effective attack tool favored by multiple organizations and individuals who […]

1 Vulnerability Description Recently, the Jira vendor released a security advisory on a template injection vulnerability in Jira Server and Jira Data Center, which could cause remote code execution when either of the following conditions is met: An SMTP server has been configured in Jira and the Contact Administrators Form is enabled. An SMTP server […]

Overview On July 16, 2019, local time, Oracle released its own security advisory and third-party security advisories for its January 2019 Critical Patch Update (CPU) which fix 319 vulnerabilities of varying severity levels across the product families. For details about affected products and available patches, visit the following link: For more details, see Oracle’s official […]

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 July 21, 2019.   Top 10 countries in attack percentage: The Palestine is in first place. The Suriname is in the second place. The country China (CN) is […]

3.3.2 Analysis Most Botnets Deployed on VPSs for Economic Reasons Low-cost virtual private servers, which have little security oversight, have become the main target for hosting command & control servers. When setting up C&C servers, botnet groups will attempt to take over any available system. Having evolved past traditional on-premises servers, botnet groups now target […]

Overview Recently, a security researcher discovered an issue with the fixes for multiple versions of fastjson. Despite these fixes, an attacker could remotely execute code on a server running fastjson via a carefully crafted request. This issue affects fastjson 1.2.47 and earlier and does not require enabling the autotype option.

About the Gafgyt Botnet Gafgyt is a long-lived IoT botnet family with a lot of variants. Over the years, it has grown into a gigantic family with the same notoriety as Mirai. Its variants are mature enough to provide capabilities of scanning vulnerabilities conducting DDoS, executing instructions, and downloading and executing malware.