Search Articles — Sudonull

https://sudonull.com/backdoor-in-wait4-linux-kernel-vulnerability

Analysis of a real backdoor in the Linux kernel from 2003: how an assignment error in wait4() opened root access. Lessons for developers: code review, Git, fuzzing. Study the details of the attack.

https://sudonull.com/backdoor-in-wordpress-plugins-c2-in-ethereum

Breakdown of attack on 30+ WP plugins: PHP deserialization, cloaking spam, persistent C2 in smart contract. Cleanup checklist and supply-chain protection. Check your site now.

https://sudonull.com/malicious-advertising-of-it-utilities-smokedham-and-qilin-attack

Learn how hackers distribute the SmokedHam backdoor and Qilin ransomware through malicious ads in search engines. Protection methods and analysis of the UNC2465 campaign.

https://sudonull.com/malicious-npm-package-steals-polymarket-bots-keys

Learn about the attack via the sleek-pretty package in npm: theft of API keys and SSH backdoors for Polymarket developers. How to protect bots and wallets — read the risk analysis and recommendations.

Searches related to backdoor

https://en.wikipedia.org/wiki/Backdoor_(computing)

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). [1][2] Backdoors are most often used for securing remote ...

Jul 23, 2025 ·

https://www.geeksforgeeks.org/computer-networks/what-is-a-backdoor-attack/

Jul 23, 2025 · What Is a Backdoor Attack? A Backdoor Attack represents a threat actor where the attackers can take over system resources, go through networks, and set up various malware programs. Normally, they fabricate worms or viruses to exploit an existing backdoor -for instance, from previous attacks or those that the developers have created.

Jun 2, 2026 ·

https://www.safetydetectives.com/blog/what-is-a-backdoor-and-how-to-protect-against-it/

Jun 2, 2026 · Watch out for backdoor viruses! Our experts explain the dangers of backdoor attacks, what they do, and how to prevent and remove them.

Aug 5, 2025 ·

https://www.sentinelone.com/cybersecurity-101/threat-intelligence/backdoor-attacks/

Aug 5, 2025 · Learn what backdoor attacks are, their types, examples, and how to detect and prevent them with strategies like using SentinelOne.

May 25, 2026 ·

https://terrazone.io/what-is-a-backdoor/

May 25, 2026 · What Is a Backdoor ? A backdoor in cybersecurity is a hidden method of bypassing normal authentication or access controls to gain unauthorized entry to a system, network, application, or device. The term draws from physical security – a backdoor in a building allows someone to enter without using the main door where guards check identification. The digital equivalent: code, configuration, or ...

Feb 14, 2025 ·

https://www.threatlocker.com/blog/what-is-a-backdoor-attack-how-to-prevent

Feb 14, 2025 · Understanding what backdoor attacks are and how to prevent them is crucial for protecting your data and privacy. What is a backdoor attack? A backdoor is a hidden way to access a computer system, network, or application, allowing threat actors to gain unauthorized entry and control.