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Hunting for beacons

ID: 56b0146d-4da8-5ed1-852e-d7a38ca12335

STIX ID: report--56b0146d-4da8-5ed1-852e-d7a38ca12335

Feed Name: Fox-IT blog

Date Published: 2020-01-15

Date Updated: 2026-04-27

Author: Fox It

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This blog explains a lightweight, anomaly-based method to detect C2 beaconing by analyzing inter-connection timing (sleep and jitter) between connection pairs (e.g., IP->host) across log sources. It covers how uniform jitter produces detectable timing bands, how the model adapts to configuration changes, expected false positives from benign scheduled traffic, and practical applicability for network hunting.

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