Cards

The Cards screen is where you write, simulate, or clone access cards. It has three tabs: Corporate, Hospitality, and Magstripe.

---

Corporate Cards

Write and simulate low-frequency access cards used in corporate environments.

Supported Card Types

Card Type	Bit Lengths
HID Prox	26, 28, 30, 31, 33, 34, 35, 36, 37, 46, 48
iCLASS	26, 30, 33, 34, 35, 36, 37, 46, 48
AWID	26, 50
Indala	26, 27, 29
Paxton Net2	75-bit
Avigilon	56
EM4100	—

Actions

• Write — Burn data to a T5577 or compatible LF card
• Simulate — Broadcast card data from your Proxmark3 antenna

Writing Cards

1. Select Card Type and Bit Length
2. Enter Facility Code and Card Number
3. Choose Write as the action
4. Tap Write Card
5. Place a blank T5577 card on the Proxmark3

LF cards are written multiple times (configurable in settings) to ensure reliable burning.

Simulating Cards

1. Enter card data as above
2. Choose Simulate as the action
3. Tap Simulate
4. Present your Proxmark3 antenna to the target reader
5. Press the Proxmark3 button or tap Stop to end simulation

Note: iCLASS cards can only be written, not simulated.

---

Hospitality (MIFARE)

Attack and clone MIFARE Classic cards commonly used in hotels, gyms, and transit systems.

Attack Methods

Method	Description	Best For
Key Recovery	Check known keys and dump card	Cards with default keys
Darkside	Zero-knowledge attack	Vulnerable cards (fast)
Nested	Use one known key to find others	Weak PRNG cards
Static Nested	Attack static nonce cards	Hardened MIFARE

Workflow

1. Recover Keys — Run an attack to extract sector keys
2. Dump Card — Read all 64 blocks to a .bin file
3. Clone Card — Write dump to a magic MIFARE card

Clone Methods

• cload (Gen1a Backdoor) — Perfect 64/64 block clone including Block 0
• restore (Key-based) — Standard write, 63/64 blocks (Block 0 requires magic card)

Magic Card Types

ATLAS supports Gen1a, Gen2/CUID, and other “magic” MIFARE cards that allow Block 0 writes.

---

Magstripe

Read, write, and clone magnetic stripe cards using an MSRX6-BLE reader.

Operations

Action	Description
Read	Swipe a card to capture track data
Clone	Write read data to a blank card
Write	Enter custom track data and write
Erase	Wipe all tracks from a card

Track Data

• Track 1 (IATA) — Alphanumeric, 79 characters max
• Track 2 (ABA) — Numeric, 40 characters max
• Track 3 (THRIFT) — Numeric, 107 characters max

Usage

1. Connect MSRX6-BLE from the home screen
2. Tap Read and swipe a card
3. View captured track data
4. Tap Clone and swipe a blank card

Cards can be saved to the database with GPS location for later use.

---

Loading Cards from Database

All tabs support loading saved cards from your database:

1. Tap the database icon in the toolbar
2. Select a saved card
3. Data auto-fills into the form
4. Execute your desired action