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A backdoor is a typically covert method of bypassing normal authentication or encryption in a computer, product, embedded device (e.g. a home router), or its embodiment (e.g. part of a cryptosystem, algorithm, chipset, or even a "homunculus computer"—a tiny computer-within-a-computer such as that found in Intel's AMT technology).
A hardware backdoor is a backdoor implemented within the physical components of a computer system, also known as its hardware. They can be created by introducing malicious code to a component's firmware , or even during the manufacturing process of a integrated circuit , known as a hardware trojan .
In computing, a Trojan horse (or simply Trojan) is a malware that misleads users of its true intent by disguising itself as a normal program. The term is derived from the ancient Greek story of the deceptive Trojan Horse that led to the fall of the city of Troy. [1] Trojans are generally spread by some form of social engineering.
In February 2024, a malicious backdoor was introduced to the Linux build of the xz utility within the liblzma library in versions 5.6.0 and 5.6.1 by an account using the name "Jia Tan". [b] [4] The backdoor gives an attacker who possesses a specific Ed448 private key remote code execution through OpenSSH on the affected Linux
Havex malware, also known as Backdoor.Oldrea, is a Remote Access Trojan (RAT) employed by the Russian attributed APT group "Energetic Bear" or "Dragonfly". [1] [2] Havex was discovered in 2013 and is one of five known ICS tailored malware developed in the past decade.
CIA operators reportedly use Assassin as a C2 to execute a series of tasks, collect, and then periodically send user data to the CIA Listening Post(s) (LP). Similar to backdoor Trojan behavior. Both AfterMidnight and Assassin run on Windows operating system, are persistent, and periodically beacon to their configured LP to either request tasks ...
October 12: Bifrost, also known as Bifrose, is a backdoor trojan which can infect Windows 95 through Vista. Bifrost uses the typical server, server builder, and client backdoor program configuration to allow a remote attack. [43] December: Santy, the first known "webworm" is launched.
Hupigon (also Graftor) detected as (Backdoor.Win32.Hupigon, Trojan.Win32.Hupigon, Backdoor.Win32.Graftor, and Trojan.Win32.Graftor) is a backdoor Trojan.Its first known detection goes back to November 2008, according to Securelist from Kaspersky Labs.