Dysphoria IoT Botnet Adds Blockchain C2 and Victim Relays After JackSkid Disruption

Dysphoria , an Internet of Things IoT botnet line tracked by CNCERT and XLab, has adopted blockchain-based name services and infected-device relays after a March law-enforcement operation against JackSkid infrastructure. The researchers say the design makes the botnet harder to disrupt. CNCERT,...

Badges, Bytes and Blackmail

Behind the scenes of law enforcement in cyber: what do we know about caught cybercriminals? What brought them in, where do they come from and what was their function in the crimescape? Introduction: One view on the scattered fight against cybercrime The growing sophistication and diversification ...

U.S. Charges Two Sudanese Brothers for Record 35,000 DDoS Attacks

Federal prosecutors in the U.S. have charged two Sudanese brothers with running a distributed denial-of-service DDoS botnet for hire that conducted a record 35,000 DDoS attacks in a single year, including those that targeted Microsoft's services in June 2023. The attacks, which were facilitated b...

New Ransomware Variants Flourish Amid Law Enforcement Actions

Ransomware groups continue to evolve their tactics and techniques to deploy file-encrypting malware on compromised systems, notwithstanding law enforcement's disruptive actions against the cybercrime gangs to prevent them from victimizing additional companies. "Be it due to law enforcement,...

CryptoLocker Infections Continue as New Rasomware Evolves

U.S. and European law enforcement officials last month, performed a coordinated takedown of the GameOver Zeus botnet. At the time, they claimed that the operation also neutralized the infamous CryptoLocker ransomware, which criminals had distributed using GameOver’s infrastructure. However, Tyler...