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The public catalogue of detection rules. Every entry carries its source, the identifier it had there, its licence and its ATT&CK mapping.

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MediumElastic detection rules

Curl SOCKS Proxy Activity from Unusual Parent

This rule detects the use of the "curl" command-line tool with SOCKS proxy options, launched from an unusual parent process. Attackers may use "curl" to establish a SOCKS proxy connection to bypass network restrictions and exfiltrate data or communicate with C2 servers.

ATT&CK coverage

Command and Control

T1090Proxy51 detections cover this technique
- T1090.002External Proxy 8 detections cover this technique
T1572Protocol Tunneling 60 detections cover this technique

Detection requirements

Log source category: event_index

Detection logic

Published to signed-in readers

The query as its source wrote it, its canonical form, and the content hash that pins this exact revision.

Provenance

Where this detection came from, and what you may do with it.

At source: Open at source
Written by: Elastic
Licence: Elastic License 2.0Read the licence
Published: Aug 27, 2026
Version: 1