Overview Recently, NSFOCUS CERT has monitored that Microsoft has officially released a patch update, which fixes a Microsoft Outlook privilege escalation vulnerability. An unauthenticated attacker sends a specially crafted email, causing the victim to connect to an external UNC location controlled by the attacker, causing the victim's Net-NTLMv2 hash to...
Category: Blog
NSFOCUS Releases 2022 Global DDoS Attack Landscape Report
Santa Clara, Calif. March 16, 2023 – NSFOCUS, a global provider of intelligent hybrid security solutions, today released its “2022 Global DDoS Attack Landscape Report†which includes many findings to help organizations and users defend against DDoS attacks. According to the report, The DDoS attack landscape remains challenging. The increasing number...
NSFOCUS DDoS Attack Landscape Report 2022
The DDoS attack landscape remains challenging. While organizations continue to explore new defense methods to protect against DDoS attacks proactively, attackers never stop creating sly and novel tactics to take down the target services. Download a copy of the full report to learn more.
Microsoft’s March security update for multiple high-risk product vulnerabilities
Overview On March 15, NSFOCUS CERT monitored that Microsoft had released a security update patch for March, which fixed 82 security issues, involving widely used products such as Windows Hyper-V, Microsoft Outlook, Windows HTTP Protocol Stack, Microsoft Graphics, Microsoft Excel, etc., including high-risk vulnerability types such as privilege enhancement, remote...
Apache Dubbo Deserialization Vulnerability Notice (CVE-2023-23638)
Overview Recently, NSFOCUS CERT detected that Apache officially issued a security notice, fixing an Apache Dubbo deserialization vulnerability (CVE-2023-23638). Due to the flaws in Apache Dubbo's deserialization security check, remote attackers can construct malicious data packets to conduct deserialization attacks, and finally execute arbitrary code on the target system. Affected...
A New Botnet Family Discovered by NSFOCUS
Background Recently NSFOCUS Security Labs detected a batch of suspicious ELF files spreading widely. Further analysis confirmed that these ELF samples belonged to a new botnet family. We named the family “Peachy Botnet†according to the signature information left by the Bot author in the sample. The Peachy Botnet began...
