It could quickly retrieve the International Mobile Subscriber Identity (IMSI) and Integrated Circuit Card Identifier (ICCID), which are unique identifiers for mobile subscribers and the SIM hardware itself.

For those looking to manage SIM data or perform legitimate mobile forensics, more modern and secure tools are available:

Woron Scan 1.09 is a software program designed to interface with GSM SIM cards via a standard SIM card reader connected to a PC. Its primary purpose was to allow users to interact directly with the card’s internal data structures. In its prime, it was widely popular among mobile enthusiasts and professionals for its speed and straightforward interface.

Users could read, edit, and back up contacts and text messages stored directly on the SIM card.

While remains a significant piece of mobile history, it is best viewed today as a relic of an era when mobile security was in its infancy. For current needs, always use official and updated software from reputable sources. Woron Scan 109 Software Better ((better))

Most modern SIM cards use the AES or COMP128v2/v3 algorithms, which are mathematically secure against the "brute-force" scanning methods used by Woron Scan.