DNS Security

Chasing After RacoonO365 IoCs Using DNS and Domain Intelligence

A coordinated crackdown on RaccoonO365 reveals the scale of phishing-as-a-service operations, as domain and DNS data expose hundreds of linked artifacts and offer a window into the infrastructure of low-skill cybercrime.

Spelunking Into SVG Phishing: Amatera Stealer and PureMiner DNS Deep Dive

Cybercriminals are swapping standard image formats for SVG files to smuggle malware into systems. A detailed investigation uncovered a sprawling network of suspicious domains, IP addresses, and email-linked infrastructure used for espionage and cryptojacking.

Global Domain Activity Trends Seen in Q3 2025

WhoisXML API's Q3 2025 analysis found global new domain registrations dipped 1.2% from Q2, with gTLDs rising and ccTLDs falling sharply. The .cc ccTLD remained an anomaly, and .com led malicious domain activity.

Scouring the DNS for Traces of the Hiddengh0st and Winos SEO Poisoning Campaign

A Chinese-language SEO poisoning campaign has been uncovered, leading users to fake software sites. Investigators linked the scheme to malware variants and uncovered thousands of malicious domains, subdomains, and IP addresses through DNS and WHOIS analysis.

Understanding DNSSEC: Best Practices and Implementation Challenges

DNS Security Extensions (DNSSEC) offer cryptographic safeguards to validate DNS responses, countering spoofing and cache poisoning. While implementation is complex, best practices and third-party services help firms navigate the operational demands of deployment.

False Positive Rate Reduced to 1.66% on WhoisXML API’s First Watch Malicious Domains Data Feed

WhoisXML API has halved the false positive rate of its malicious domain feed, enhancing detection precision. The update refines machine learning models, promising leaner cybersecurity operations and fewer interruptions from erroneous threat alerts.

Thumbing through the DNS Trail of the TAOTH Campaign

A cyber campaign targeting East Asian elites leveraged fake web services. DNS forensics uncovered suspicious domains, IP links, and signs of future infrastructure repurposing.

Deep Dive: 3 Lazarus RATs Caught in Our DNS Trap

Researchers tracked three Lazarus-linked RATs to a vast DNS network, uncovering dormant domains, geolocated IPs, and artifacts tied to financial and cryptocurrency sector intrusions.

Cross-Examining the CAPTCHAgeddon Brought on by ClickFix

Guardio reported about the ClickFix stealer that is considered an evolved version of fake browser updates. Instead of relying on a file download, it used fake CAPTCHA pages that allowed it to evade detection more effectively.

A Deep Dive Into the GreedyBear Attack

Koi Security recently dove into the widely executed and highly coordinated GreedyBear crypto theft attack that used 150 weaponized Firefox extensions. According to the company, it utilized close to 500 malicious executables and dozens of phishing sites. The result? The threat actors have amassed more than US$1 million to date.