NSFOCUS DDoS Attack Landscape Report 2022

março 16, 2023 | NSFOCUS

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

março 15, 2023 | NSFOCUS

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 […]

Apache Dubbo Deserialization Vulnerability Notice (CVE-2023-23638)

março 14, 2023 | NSFOCUS

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 […]

A New Botnet Family Discovered by NSFOCUS

março 13, 2023 | 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 to spread as early as […]

Indian Government Agencies Targeted in Phishing Attacks by APT Group SideCopy

março 13, 2023 | NSFOCUS

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 […]

Fortinet FortiOS and FortiProxy Remote Code Execution Vulnerability Notice (CVE-2023-25610)

março 12, 2023 | NSFOCUS

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 […]

Multiple Apache HTTP Server Security Vulnerabilities

março 10, 2023 | NSFOCUS

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 […]

Bread Crumbs of Threat Actors (Feb 13 – 26, 2023)

março 10, 2023 | NSFOCUS

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 […]

Microsoft Word Remote Code Execution Vulnerability (CVE-2023-21716)

março 8, 2023 | NSFOCUS

Overview Recently, NSFOCUS CERT found the PoC that disclosed Microsoft Word remote execution code vulnerability (CVE-2023-21716) on the Internet. Because the RTF parser in Microsoft Word will trigger a heap corruption vulnerability when processing a font table (*  fonttbl *) that contains too many fonts (*  f # # # *), an attacker can exploit […]

Key Technologies for Software Supply Chain Security – Detection Techniques (Part 1) – Software Composition Analysis

março 6, 2023 | NSFOCUS

Software supply chain security detection techniques must cover the software delivery life cycle, including software design, building, testing, and operation. There are mainly five types of security detection techniques, namely software composition analysis (SCA), static application security testing (SAST), dynamic application security testing (DAST), interactive application security testing (IAST), and FUZZ testing. Each of these […]