RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2024-09-21 15:56:21 +08:00
Code Issues Packages Projects Releases Wiki Activity

Update hf_mf_uid_downgrade.lua

Browse source 
Expanding the description for the downgrade and what causes it

Signed-off-by: Adam Jon Foster <me@evildaemond.com>
This commit is contained in:
Adam Jon Foster 2024-01-14 12:24:47 +08:00 committed by GitHub
parent 261760e903
commit 12e6b95d47
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
client/luascripts/hf_mf_uid_downgrade.lua
View file

@ -10,7 +10,10 @@ copyright = ''
author = "Adam Foster (evildaemond)"
version = 'v0.0.1'
desc = [[
Convert a facility code and card number to a Mifare Classic UID, which can be used as part of a downgrade attack.
Convert a facility code and card number to a Mifare Classic UID, which can be used as part of a downgrade attack.
This abuses the fact that some controllers interpret the UID for Mifare Classic cards as a CN and FN, it requires the controller to interpret the wiegand payload in this way.
The example of FC 146 CN 5 would be read by the reader and send as a payload like 0920005, where 9200 is dec 146 and 05 is interpreted as 5
Working on HID Readers with any of the following enabled
- Generic 14333A