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These three narrow file-content rules cover the Linux ELF wallet-agent marker conjunction and two ClickFix installer stages. They are limited to retained artifact content and do not claim execution, actor attribution, or memory-scanning behavior. The submission includes no malware samples or other case artifacts.
The rules compiled with YARA 4.5.5. A read-only replay against retained case files produced 40 matching object views across the three rules (16, 20, and 4); repeated copies and nested archive views are included in those counts. The bounded software and research control corpus produced no hits. This local corpus does not establish production false-positive rates, and the rules have not been exercised inside a CAPE deployment.
The submission is limited to three rules in keeping with the repository's warning about large YARA collections. Each rule carries an explicit MIT license grant from the companion repository. Since this repository has no declared root license, please confirm that these per-rule MIT terms are acceptable before merging.
Validation details: https://github.com/KrasForge/unk-deaddrop-companion/blob/main/docs/actual-artifact-validation.md