The search for a specific RAR file dated for unlocking Simatic S7-200 Go to product viewer dialog for this item. and S7-300 MMC Go to product viewer dialog for this item.
Many of these tools were effective against protection mechanisms in STEP 7 versions prior to V5.5. As one forum poster explains: "Starting with version 5.5 this hole was covered. Under the stars there is no password". Later versions of STEP 7 implemented stronger encryption for stored passwords, rendering the older asterisk-revealing techniques obsolete. However, the MMC offline extraction method remains viable for legacy systems configured with older firmware versions. The search for a specific RAR file dated