Issue dossier
The challenge author states that he did not have a badge before the conference and used Yardstick One hardware to mimic the badge RF environment during development.
A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.
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event listing
Secondary event-context listing for the December 2, 2017 Cape Town date, venue, and BSides Cape Town website pointer.
Badge: BSides Cape Town 2017 RFCat Badge
project page
First-hand SensePost writeup documenting the two-part 2017 badge hardware, CC1111/RFCat RF badge, ESP flux-capacitor badge, RF chat idea, and challenge flow.
Badge: BSides Cape Town 2017 RFCat Badge
source
Public gist containing the RF chat client, challenge server, XOR helper, RF parameters, hint flow, and expected solve path for the badge challenge.
Badge: BSides Cape Town 2017 RFCat Badge
GitHub Gist · retrieved 2026-05-15
Primary released challenge-code source for RF settings, challenge-server behavior, player-state persistence, periodic hints, XOR helper, and intended badge solve path.
Badge: BSides Cape Town 2017 RFCat Badge
Security.World · retrieved 2026-05-15
Secondary event-context source for date, Cape Town venue, and the public 2017 event listing.
Badge: BSides Cape Town 2017 RFCat Badge
SensePost · retrieved 2026-05-15
First-hand source for the 2017 two-part badge hardware, flux-capacitor ESP badge, red CC1111 RF badge, RFCat challenge, RF chat behavior, challenge box, and solve flow.
Badge: BSides Cape Town 2017 RFCat Badge