Continuing a theme from the last blog post, I think it's great that the two additional OBJECT_ATTRIBUTE flags were documented as a way of mitigating symbolic link attacks. While OBJ_IGNORE_IMPERSONATED_DEVICEMAP is pretty useful, the other flag, OBJ_DONT_REPARSE isn't, at least not for protecting file system access.| Tyranid's Lair
A tweet by @jonasLyk reminded me of a bug I found in NTFS a few months back, which I've verified still exists in Windows 10 2004. As far as I can tell it's not directly usable to circumvent security but it feels like a bug which could be used in a chain. NTFS is a good demonstration of how complex writing a FS driver is on Windows, so it's hardly surprising that so many weird edges cases pop up over time.| Tyranid's Lair
The Logon Session on Windows is tied to an single authenticated user with a single Token. However, for service accounts that's not really tr...| www.tiraniddo.dev