union _PS_CLIENT_SECURITY_CONTEXT// Size=0x4
{
    unsigned long ImpersonationData;// Offset=0x0 Size=0x4
    void * ImpersonationToken;// Offset=0x0 Size=0x4
    unsigned long ImpersonationLevel:2;// Offset=0x0 Size=0x4 BitOffset=0x0 BitSize=0x2
    unsigned long EffectiveOnly:1;// Offset=0x0 Size=0x4 BitOffset=0x2 BitSize=0x1
};