NSIS installer malware – Cyber Security News

Wed. Feb 4th, 2026

Illustration showing the Chrysalis backdoor attack chain used by the Lotus Blossom APT, including DLL sideloading, NSIS installer abuse, encrypted C2 communication, and advanced malware tooling.

News

The Chrysalis Backdoor: When Espionage Tooling Evolves in Plain Sight

Feb 3, 2026 G.C.Moresi

Rapid7 uncovered a Lotus Blossom espionage campaign delivering the new “Chrysalis” backdoor via a compromised Notepad++ distribution chain. The tool…

You missed

The Chrysalis Backdoor: When Espionage Tooling Evolves in Plain Sight

Feb 3, 2026 G.C.Moresi

149 Million Credentials Exposed: Why This Leak Matters More Than the Numbers

Jan 27, 2026 G.C.Moresi

Microsoft, BitLocker and Law Enforcement: Why CISOs Should Re-Evaluate Endpoint Encryption Assumptions

Jan 26, 2026 G.C.Moresi

Microsoft Teams adds “External Domains Anomalies” reporting to catch attackers early (Rollout: Feb–Mar 2026)

Jan 22, 2026 G.C.Moresi