File Download Via Nscurl - MacOS
Detects the execution of the nscurl utility in order to download 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
- macos
- Log source category
- process_creation
Known benign triggers
- Legitimate usage of nscurl by administrators and users.
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 |
|---|---|
| gist.github.com/nasbench/ca6ef95db04ae04ffd1e0b1ce709cadd | Only this detection cites it |
| www.agnosticdev.com/content/how-diagnose-app-transport-security-issues-using-nscurl-and-openssl | Only this detection cites it |
| www.loobins.io/binaries/nscurl/ | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 6d8a7cf1-8085-423b-b87d-7e880faabbdf
- 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
- Aug 26, 2026
- Version
- 1