: The software’s main claim to fame was its ability to perform "scans" on older COMP128v1 SIM cards to retrieve the Ki key, a necessary component for cloning a card.
Woron Scan operates by sending a massive series of "challenges" to the SIM card. In the original authentication algorithm used by early GSM networks, there was a cryptographic flaw. Woron Scan 1.09 Software
Search for WoronScan109_final.zip on old FTP mirrors of universities that hosted utility collections in the early 2000s. Always verify file hashes. : The software’s main claim to fame was
After configuring a new firewall, an admin could run Woron Scan from inside the network to verify which inbound ports were correctly blocked. Woron Scan 1.09 Software