Steam Eo P 0day vulnerability (registry based)

0:00 user withou admin rights 0:22 C:Program File (x86)Common is 2. 27mb 0:35 HKLMSoftwarewow6432nodevalvesteam Full control for Users 0:45 change InstallPath to C:SteamEop 1:00 create C:SteamEop 1:30 creating b1, b2, b3 with original 1:58 creating b4 with custom 2:17 start user s cmd 2:28 start another user s cmd 2:37 magic of links and oplocks 5:30 NT AUTHORITYSYSTEM cmd appear