2.3.3
typedef struct AUTH_LOGON_PROOF_S
{
    uint8   cmd;
    uint8   error;
    uint8   M2[20];
    uint32  unk2;
    uint16  unk3;
} sAuthLogonProof_S;
2.4.0
typedef struct AUTH_LOGON_PROOF_S
{
    uint8   cmd;
    uint8   error;
    uint8   M2[20];
    uint16  unk1;
    uint32  unk2;
    uint32  unk3;
} sAuthLogonProof_S;