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Relative Time Sequences - EX-0008.02

(SPARTA Technique)


Definition

Execution is keyed to elapsed time since a reference event. The implant latches a start point, boot, reset, safing entry/exit, receipt of a particular telemetry/command pattern, achievement of sun-pointing, and arms a countdown or set of offsets (“N seconds after event,” “repeat every M cycles”). Relative sequences are resilient to clock discontinuities and mirror how many spacecraft schedule internal activities (e.g., after boot, run calibrations; after acquisition, start downlink). An attacker exploits this to ensure the trigger fires only within specific operational phases and to survive resets that would thwart absolute timestamps: after every reboot, wait for housekeeping steady state, then act; or, after a wheel unload completes, inject an additional command while control laws are in a known configuration.


D3FEND Inferred Relationships





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© 2025 The MITRE Corporation.
Approved for Public Release; Distribution Unlimited #20-2338 and #23-1207.

Use of the MITRE D3FEND™ Knowledge Graph and website is subject to the Terms of Use. Use of the MITRE D3FEND website is subject to the MITRE D3FEND Privacy Policy. MITRE D3FEND is funded by the National Security Agency (NSA) Cybersecurity Directorate and managed by the National Security Engineering Center (NSEC) which is operated by The MITRE Corporation. MITRE D3FEND; and the MITRE D3FEND logo are trademarks of The MITRE Corporation. This software was produced for the U. S. Government under Basic Contract No. W56KGU-18-D-0004, and is subject to the Rights in Noncommercial Computer Software and Noncommercial Computer Software Documentation Clause 252.227-7014 (FEB 2012)
© 2025 The MITRE Corporation.
Approved for Public Release; Distribution Unlimited #20-2338 and #23-1207.

UI: 0.26.0