MIKAGE bundles third-party detection rules from the PRX-SD signature database
(https://github.com/openprx/prx-sd-signatures, Apache License 2.0) under their original licenses.
Rules are distributed unmodified; each rule keeps its original author/license metadata.
Rules marked "non-commercial use only" or CC BY-NC by their authors are NOT included.

- builtin: 6 rules in 2 files -- MIT (PRX-SD)
- elastic: 3089 rules in 1068 files -- Elastic License 2.0
- eset: 137 rules in 23 files -- BSD 2-Clause
- gcti: 91 rules in 36 files -- Apache License 2.0
- icewater: 15474 rules in 15475 files -- RIL-1.0 (Rick's Internet License)
- reversinglabs: 1240 rules in 310 files -- MIT
- signature-base: 4976 rules in 727 files -- Detection Rule License (DRL) 1.1 / Open Government Licence v3 (per rule metadata)
- yara-rules: 3042 rules in 473 files -- GNU GPL v2 (per upstream repository; unmodified, distributed as separate data files)

abuse.ch MalwareBazaar hash data: CC0.
GPL-2.0 licensed rule files are provided as separate data files; their source is the rule file itself.
Informational analyst-helper rules (URL/domain/base64/packer identification etc.) and a few rules with confirmed false positives on legitimate files are not included.
