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Steganography Explained: How XWorm Hides Inside Images

Steganography Explained: How XWorm Hides Inside Images

Mar 11, 2025 Threat Intelligence / Network Security
Inside the most innocent-looking image, a breathtaking landscape, or a funny meme, something dangerous could be hiding, waiting for its moment to strike. No strange file names. No antivirus warnings. Just a harmless picture, secretly concealing a payload that can steal data, execute malware, and take over your system without a trace. This is steganography, a cybercriminal's secret weapon for concealing malicious code inside harmless-looking files. By embedding data within images, attackers evade detection, relying on separate scripts or processes to extract and execute the hidden payload. Let's break down how this works, why it's so dangerous, and most importantly, how to stop it before it's too late. What is Steganography in Cybersecurity? Steganography is the practice of concealing data within another file or medium. Unlike encryption, which scrambles data to make it unreadable, steganography disguises malicious code inside harmless-looking images, videos, or audio files, makin...
⚡ THN Weekly Recap: Alerts on Zero-Day Exploits, AI Breaches, and Crypto Heists

⚡ THN Weekly Recap: Alerts on Zero-Day Exploits, AI Breaches, and Crypto Heists

Mar 03, 2025
This week, a 23-year-old Serbian activist found themselves at the crossroads of digital danger when a sneaky zero-day exploit turned their Android device into a target. Meanwhile, Microsoft pulled back the curtain on a scheme where cybercriminals used AI tools for harmful pranks, and a massive trove of live secrets was discovered, reminding us that even the tools we rely on can hide risky surprises. We've sifted through a storm of cyber threats—from phishing scams to malware attacks—and broken down what it means for you in clear, everyday language. Get ready to dive into the details, understand the risks, and learn how to protect yourself in an increasingly unpredictable online world. ⚡ Threat of the Week Serbian Youth Activist Targeted by Android 0-Day Exploit Chain — A 23-year-old Serbian youth activist had their Android phone targeted by a zero-day exploit chain developed by Cellebrite to unlock the device and likely deploy an Android spyware called NoviSpy. The flaws combined ...
Your Risk Scores Are Lying: Adversarial Exposure Validation Exposes Real Threats

Your Risk Scores Are Lying: Adversarial Exposure Validation Exposes Real Threats

Mar 11, 2025Breach Simulation / Penetration Testing
In cybersecurity, confidence is a double-edged sword. Organizations often operate under a false sense of security , believing that patched vulnerabilities, up-to-date tools, polished dashboards, and glowing risk scores guarantee safety. The reality is a bit of a different story. In the real world, checking the right boxes doesn't equal being secure. As Sun Tzu warned, "Strategy without tactics is the slowest route to victory. Tactics without strategy is the noise before defeat." Two and a half millennia later, the concept still holds: your organization's cybersecurity defenses must be strategically validated under real-world conditions to ensure your business's very survival. Today, more than ever, you need Adversarial Exposure Validation (AEV) , the essential strategy that's still missing from most security frameworks. The Danger of False Confidence Conventional wisdom suggests that if you've patched known bugs, deployed a stack of well-regarded security tools, and passed the nec...
Amnesty Finds Cellebrite’s Zero-Day Used to Unlock Serbian Activist’s Android Phone

Amnesty Finds Cellebrite's Zero-Day Used to Unlock Serbian Activist's Android Phone

Feb 28, 2025 Mobile Security / Zero-Day
A 23-year-old Serbian youth activist had their Android phone targeted by a zero-day exploit developed by Cellebrite to unlock the device, according to a new report from Amnesty International. "The Android phone of one student protester was exploited and unlocked by a sophisticated zero-day exploit chain targeting Android USB drivers, developed by Cellebrite," the international non-governmental organization said , adding traces of the exploit were discovered in a separate case in mid-2024. The vulnerability in question is CVE-2024-53104 (CVSS score: 7.8), a case of privilege escalation in a kernel component known as the USB Video Class (UVC) driver. A patch for the flaw was released for the Linux kernel in December 2024. It was subsequently addressed in Android earlier this month. It's believed that CVE-2024-53104 was combined with two other flaws – CVE-2024-53197 and CVE-2024-50302 – both of which have been resolved in the Linux kernel. They are yet to be included i...
cyber security

The State of GRC 2025: From Cost Center to Strategic Business Driver

websiteDrataGovernance / Compliance
Drata's new report takes a look at how GRC professionals are approaching data protection regulations, AI, and the ability to maintain customer trust.
Bybit Hack Traced to Safe{Wallet} Supply Chain Attack Exploited by North Korean Hackers

Bybit Hack Traced to Safe{Wallet} Supply Chain Attack Exploited by North Korean Hackers

Feb 27, 2025 Cybercrime / Cryptocurrency
The U.S. Federal Bureau of Investigation (FBI) formally linked the record-breaking $1.5 billion Bybit hack to North Korean threat actors, as the company's CEO Ben Zhou declared a "war against Lazarus." The agency said the Democratic People's Republic of Korea (North Korea) was responsible for the theft of the virtual assets from the cryptocurrency exchange, attributing it to a specific cluster it tracks as TraderTraitor, which is also referred to as Jade Sleet, Slow Pisces, and UNC4899. "TraderTraitor actors are proceeding rapidly and have converted some of the stolen assets to Bitcoin and other virtual assets dispersed across thousands of addresses on multiple blockchains," the FBI said . "It is expected these assets will be further laundered and eventually converted to fiat currency." It's worth noting that the TraderTraitor cluster was previously implicated by Japanese and U.S. authorities in the theft of cryptocurrency worth $308 mil...
Leaked Black Basta Ransomware Chat Logs Reveal Inner Workings and Internal Conflicts

Leaked Black Basta Ransomware Chat Logs Reveal Inner Workings and Internal Conflicts

Feb 26, 2025 Ransomware / Cyber Threat
More than a year's worth of internal chat logs from a ransomware gang known as Black Basta have been published online in a leak that provides unprecedented visibility into their tactics and internal conflicts among its members. The Russian-language chats on the Matrix messaging platform between September 18, 2023, and September 28, 2024, were initially leaked on February 11, 2025, by an individual who goes by the handle ExploitWhispers , who claimed that they released the data because the group was targeting Russian banks. The identity of the leaker remains a mystery. Black Basta first came under the spotlight in April 2022, using the now-largely-defunct QakBot (aka QBot) as a delivery vehicle. According to an advisory published by the U.S. government in May 2024, the double extortion crew is estimated to have targeted more than 500 private industry and critical infrastructure entities in North America, Europe, and Australia. Per Elliptic and Corvus Insurance, the prolific r...
5 Active Malware Campaigns in Q1 2025

5 Active Malware Campaigns in Q1 2025

Feb 25, 2025 Malware / Cybercrime
The first quarter of 2025 has been a battlefield in the world of cybersecurity. Cybercriminals continued launching aggressive new campaigns and refining their attack methods. Below is an overview of five notable malware families, accompanied by analyses conducted in controlled environments. NetSupport RAT Exploiting the ClickFix Technique In early 2025, threat actors began exploiting a technique known as ClickFix to distribute the NetSupport Remote Access Trojan (RAT).  This method involves injecting fake CAPTCHA pages into compromised websites, prompting users to execute malicious PowerShell commands that download and run the NetSupport RAT.  Once installed, this RAT grants attackers full control over the victim's system, allowing activities such as real-time screen monitoring, file manipulation, and execution of arbitrary commands. Main technical characteristics of NetSupport RAT Attackers can view and control the victim's screen in real time. Uploads, downloads, m...
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