PUA - Nimgrab Execution
Detects the usage of nimgrab, a tool bundled with the Nim programming framework and used for downloading files.
Detection logic
Detection requirements
- Platform
- ESXiLinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- windows
- Log source category
- process_creation
Known benign triggers
- Legitimate use of Nim on a developer systems
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| github.com/redcanaryco/atomic-red-team/blob/28d190330fe44de6ff4767fc400cc10fa7cd6540/atomics/T1105/T1105.md | 3 |
From the source
- At source
- Open at source
- Upstream identifier
- 74a12f18-505c-4114-8d0b-8448dd5485c6
- Tagged by the source as
- attack.command-and-control
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Sep 4, 2026
- Version
- 2