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Ransomware Group

Obscura

Obscura is a ransomware strain observed in 2025, written in Go and specifically targeting Windows domain controllers via the SYSVOL/NETLOGON share, using Curve25519 + XChaCha20 encryption with double-extortion tactics and a 10-day payment deadline.

Known victims33

Threat level

MEDIUM

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Known infrastructure

The following Tor hidden services have been associated with this group:

  • Obscura Leaks Blog

These sites are malicious. Open them only from an isolated environment.

0

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