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Executive Summary CheckPoint Researchers have released new findings detailing new methodologies to unpack malicious Nullsoft Scriptable Install System (NSIS)-based packages, which have been used in attacks propagating from AgentTesla, Remcos, and XLoader malware. The article also introduces NSIXloader, an NSIS-based crypter, and discusses how to create this tool to automatically unpack these samples for further analysis. Community Threat Assessment…

Executive Summary Cisco Talos has released a report detailing new findings around recent techniques, tactics, and procedures (TTPs) uncovered while investigating brand impersonation email campaigns. In the report, Cisco Talos detailed various novel TTPs used by threat actors to embed brand logos in emails, such as inserting brand-related words into HTML, using base64 encoding, fetching logos from…

On 6 May 2024, Zscaler researchers reported that the prevalent HijackLoader (also known as IDAT Loader) has been updated with new detection and analysis evasion techniques. Context and Technical Details According to Zscaler researchers, “HijackLoader now includes modules to add an exclusion for Windows Defender Antivirus, bypass User Account Control (UAC), evade inline API hooking…

On 1 May 2024, Fortinet researchers published the technical details of a new botnet they dubbed “Goldoon” targeting a high severity vulnerability in D-Link devices Context and Technical Details According to researchers, “If a targeted device is compromised, attackers can gain complete control, enabling them to extract system information, establish communication with a C2 server,…

On 1 May 2024, SentinalOne researchers reported the technical details of an adware campaign leveraging Adload evading Apple XProtect defensive measures to target macOS users. Context and Technical Details In late April 2024, Apple released more than 80 new rules for the XProtect malware signature list. SentinalOne researchers identified a malware campaign mere days later…