Differences with regards to Backdoor commands:  CMD ID 5.0.0 beta1/5.1.1 rc/5.1.2 rc1 5.2.0 rev1 0x97A168D9697D40DD Save File 0x7CF812296CCC68D5 Upload File 0x652CB1CEFF1C0A00 NA Load New PE file 0x27595F1F74B55278 Save File and Execute If no match above Execute Command or File   The differences shown in the table above are subtle but present.