CyberSecurity news
FlagThis - #websites
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Alex Delamotte@sentinelone.com
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AkiraBot, an AI-powered botnet, has been identified as the source of a widespread spam campaign targeting over 80,000 websites since September 2024. This sophisticated framework leverages OpenAI's API to generate custom outreach messages tailored to the content of each targeted website, effectively promoting dubious SEO services. Unlike typical spam tools, AkiraBot employs advanced CAPTCHA bypass mechanisms and network detection evasion techniques, posing a significant challenge to website security. It achieves this by rotating attacker-controlled domain names and using AI-generated content, making it difficult for traditional spam filters to identify and block the messages.
AkiraBot operates by targeting contact forms and chat widgets embedded on small to medium-sized business websites. The framework is modular and specifically designed to evade CAPTCHA filters and avoid network detections. To bypass CAPTCHAs, AkiraBot mimics legitimate user behavior, and uses services like Capsolver, FastCaptcha, and NextCaptcha. It also relies on proxy services like SmartProxy, typically used by advertisers, to rotate IP addresses and maintain geographic anonymity, preventing rate-limiting and system-wide blocks. The use of OpenAI's language models, specifically GPT-4o-mini, allows AkiraBot to create unique and personalized spam messages for each targeted site. By scraping site content, the bot generates messages that appear authentic, increasing engagement and evading traditional spam filters. While OpenAI has since revoked the spammers' account, the four months the activity went unnoticed highlight the reactive nature of enforcement and the emerging challenges AI poses to defending websites against spam attacks. This sophisticated approach marks a significant evolution in spam tactics, as the individualized nature of AI-generated content complicates detection and blocking measures. Recommended read:
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info@thehackernews.com (The@The Hacker News
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A massive malware campaign, identified as ZuizhongJS, has compromised over 150,000 websites through JavaScript injection to promote Chinese gambling platforms. Threat actors are breaching websites to drive traffic to illicit gambling sites. This campaign which injects obfuscated JavaScript and PHP code into the compromised sites hijacks browser windows. The primary goal is to generate revenue by redirecting users to full-screen overlays of fake betting websites, including impersonations of legitimate platforms like Bet365.
The attackers are believed to be linked to the Megalayer exploit, known for distributing Chinese-language malware and employing similar domain patterns and obfuscation tactics. The injected code is often hidden using HTML entity encoding and hexadecimal to evade detection. This campaign underscores the growing threat of client-side attacks and the need for robust website security measures, including regular script audits and strict Content Security Policies, to protect users from malicious redirects and potential financial harm. Recommended read:
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Megan Crouse@eWEEK
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Cloudflare has launched AI Labyrinth, a new tool designed to combat web scraping bots that steal website content for AI training. Instead of simply blocking these crawlers, AI Labyrinth lures them into a maze of AI-generated content. This approach aims to waste the bots' time and resources, providing a more effective defense than traditional blocking methods which can trigger attackers to adapt their tactics. The AI Labyrinth is available as a free, opt-in tool for all Cloudflare customers, even those on the free tier.
The system works by embedding hidden links within a protected website. When suspicious bot behavior is detected, such as ignoring robots.txt rules, the crawler is redirected to a series of AI-generated pages. This content is "real looking" and based on scientific facts, diverting the bot from the original website's content. Because no human would deliberately explore deep into a maze of AI-generated nonsense, anyone who does can be identified as a bot with high confidence. Cloudflare emphasizes that AI Labyrinth also functions as a honeypot, allowing them to identify new bot patterns and improve their overall bot detection capabilities, all while increasing the cost for unauthorized web scraping. Recommended read:
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@www.the420.in
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A large-scale malware campaign has compromised over 35,000 websites by injecting malicious JavaScript. The injected scripts redirect users to Chinese-language gambling platforms, specifically under the "Kaiyun" brand. This attack utilizes obfuscated JavaScript payloads to hijack user browsers, replacing legitimate website content with full-page redirects.
This malicious campaign operates by embedding a one-line `` tag into the source code of affected websites. These scripts then reference domains like zuizhongjs[.]com and other similar URLs. Once loaded, these scripts dynamically inject further payloads, manipulating browser behavior and creating a full-screen overlay that redirects users to unlicensed gambling platforms in Mandarin, targeting users in regions where Mandarin is predominantly spoken. The attackers employ techniques such as string concatenation and Unicode escapes to conceal their activities and evade detection by automated security systems. Recommended read:
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