doc/standalone/hf_15sniff.md
Author: Nathan Glaser Frequency: HF (13.56 MHz) Hardware: RDV4 (flash recommended)
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Passively sniffs ISO15693 communication between reader and tag, storing captured frames to flash.
Capture and analyze the communication protocol between ISO15693 readers and tags for reverse engineering or security assessment.
Captures bidirectional 15693 frames with timestamps. Note: timestamp counter overflows after approximately 5 minutes 16 seconds of continuous sniffing.
| LED | Meaning |
|---|---|
| 1 (A) | Sniffing active |
| 2 (B) | Tag command |
| 3 (C) | Reader command |
| 4 (D) | Flash sync |
| Action | Effect |
|---|---|
| Short press | Stop and save trace to flash |
stateDiagram-v2
[*] --> Sniffing : Startup
Sniffing --> SaveTrace : Button press
SaveTrace --> [*] : Saved
note right of Sniffing
Timestamp overflow
at ~5min 16sec
end note
make clean
make STANDALONE=HF_15SNIFF -j
./pm3-flash-fullimage