Tag: steganography

Zimperium's zLabs researchers have been tracking Necro.N, a highly intrusive mobile malware campaign, since July. This malware, potentially succeeding Joker, uses obfuscation and steganography to hide malicious payloads within images. It downloads payloads from C2 servers, enabling remote code exec…

The report details sophisticated command and control (C2) techniques employed by the APT41 threat group. APT41 uses custom malware and legitimate tools to maintain persistent access to compromised networks while evading detection. Key techniques include DNS tunneling, domain fronting, and steganogr…

A long-term intrusion targeting a Vietnamese human rights non-profit organization has been discovered, likely spanning at least four years. The attack shows significant overlaps with techniques used by APT32/OceanLotus, a threat actor known for targeting Vietnamese activists. The intrusion involved…

F.A.C.C.T.'s Threat Intelligence analysts have investigated numerous cyberattacks by the TA558 group targeting enterprises, government institutions, and banks in Russia and Belarus. The attacks aimed to steal data and gain access to the organization's internal systems. TA558 used multi-stage phishi…

ESET researchers discovered two previously unknown backdoors – LunarWeb and LunarMail – compromising a European ministry of foreign affairs and its diplomatic missions abroad. LunarWeb, deployed on servers, utilizes HTTP(S) for command and control communications, mimicking legitimate requests to av…

Security researchers have discovered a campaign distributing RemcosRAT through a sophisticated infection chain involving steganography techniques. The attack starts with a malicious Word document exploiting template injection, leading to the download of an RTF file that leverages an equation editor…