Threat actors are leveraging image steganography hosted on legitimate file-sharing platforms to deliver remote access trojans and information stealers. The attack chain utilizes a JavaScript dropper to extract a Base64-encoded DotNET loader from a seemingly benign image, which then injects the final payload into memory to evade endpoint detection.
Formbook
3 posts
Steganography Secrets: Malware Hidden in Plain Sight Latest Xloader Obfuscation Code & C2 Protocol | ThreatLabz Xloader is a highly obfuscated information stealer that evolved from Formbook. Recent versions (8.1+) introduce complex anti-analysis techniques, including out-of-order stack string construction and multi-layered RC4 encryption for its C2 communications, which utilize decoy servers to hide malicious traffic.
No Reach, No Risk: The Keitaro Abuse in Modern Cybercrime Distribution Cybercriminals are increasingly abusing the Keitaro adtech platform to optimize the distribution of malware, phishing, and scams. By leveraging Keitaro's built-in tracking, cloaking, and traffic distribution capabilities, actors can efficiently target victims, evade detection, and scale operations across multiple threat types including wallet drainers and infostealers.
