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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 be disclosed to the attacker. […]

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 of DDoS attacks in 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.

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 code execution, etc. Among the […]

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 users are requested to take […]

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 to spread as early as […]

Overview NSFOCUS detected a malicious macro file named “Cyber Advisory 2023.docm ” last month and confirmed that the document was delivered by Pakistan APT group SideCopy to lure the target to open and read while downloading the Trojan horse ReverseRAT to receive CnC instructions to steal data. SideCopy was disclosed by the security company Quick […]

Overview Recently, NSFOCUS CERT found that Fortinet officially issued a security notice to fix a Fortinet FortiOS and FortiProxy remote code execution vulnerability (CVE-2023-25610). Due to the heap buffer underflow flaw in the management interface of FortiOS and FortiProxy, an unauthenticated remote attacker can execute arbitrary code on the target device or perform a DoS […]

Overview Recently, NSFOCUS CERT found that Apache has issued an official security notice to fix multiple Apache HTTP Server vulnerabilities. Affected users should take protective measures as soon as possible. Apache HTTP Server Request Smuggling Vulnerability (CVE-2023-25690): When mod_ When proxy is enabled with some form of RewriteRule or ProxyPassMatch, a non-specific pattern will match […]

From 13 to 26 February 2023, NSFOCUS Security Labs found activity clues from 66 APT groups, one malware family (CoinMiner), and 426 threat actors targeting critical infrastructure. APT Groups Among the 66 APT groups discovered, the APT28 affected the most significant number of hosts from 13 to 26 February. Number of hosts affected by APT […]