evasion
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Blog
CISA warns of Fast Flux DNS evasion used by cybercrime gangs
CISA, the FBI, the NSA, and international cybersecurity agencies are calling on organizations and DNS providers to mitigate the “Fast Flux” cybercrime evasion technique used by state-sponsored threat actors and ransomware gangs. Although the technique isn’t new, its effectiveness has been documented and proven repeatedly in actual cyberattacks. How Fast Flux helps with evasion Fast Flux is a DNS technique used for evading…
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Phishing-as-a-service operation uses DNS-over-HTTPS for evasion
A newly discovered phishing-as-a-service (PhaaS) operation that researchers call Morphing Meerkat, has been using the DNS over HTTPS (DoH) protocol to evade detection. The platform also leverages DNS email exchange (MX) records to identify victims’ email providers and to dynamically serve spoofed login pages for more than 114 brands. Morphing Meerkat has been active since at least 2020 and it was…
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New Qilin ransomware encryptor features stronger encryption, evasion
A new Rust-based version of the Qilin (Agenda) ransomware strain, dubbed ‘Qilin.B,’ has been spotted in attacks, featuring stronger encryption, better evasion from security tools, and the ability to disrupt data recovery mechanisms. Qilin.B was spotted by security researchers at Halcyon, who warned about the threat and shared indicators of compromise to help with early detection. Qilin updates its encryptor…
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