Creating a file using "> newfile", "icacls newfile" shows various DENY settings:
newfile NULL SID:(DENY)(Rc,S,WEA,X,DC)
JCPR-DELL-3\peter:(R,W,D,WDAC,WO)
NT AUTHORITY\SYSTEM:(DENY)(S,X)
BUILTIN\Administrators:(DENY)(S,X)
BUILTIN\Users:(DENY)(S,X)
JCPR-DELL-3\None:(R)
NT AUTHORITY\SYSTEM:(RX,W)
BUILTIN\Administrators:(RX,W)
BUILTIN\Users:(RX,W)
Everyone:(R)
Whereas on a file created from Windows Explorer I see:
New Text Document.txt BUILTIN\Users:(I)(M)
Everyone:(I)(RX)
JCPR-DELL-3\peter:(I)(F)
BUILTIN\Administrators:(I)(F)
NT AUTHORITY\SYSTEM:(I)(F)
"mkpasswd" and "mkgroup" both show I (user "peter") have expected
entries in /etc/passwd and /etc/group (I attach both)
Running "whoami" commands from powershell shows:
PS E:\temp> whoami /groups
GROUP INFORMATION
-----------------
Group Name Type
SID Attributes
=============================================================
================ ============
==================================================
Everyone
Well-known group S-1-1-0 Mandatory group, Enabled by default,
Enabled group
NT AUTHORITY\Local account and member of Administrators group
Well-known group S-1-5-114 Group used for deny only
BUILTIN\Administrators Alias
S-1-5-32-544 Group used for deny only
BUILTIN\Performance Log Users Alias
S-1-5-32-559 Mandatory group, Enabled by default, Enabled
group
BUILTIN\Users Alias
S-1-5-32-545 Mandatory group, Enabled by default, Enabled
group
NT AUTHORITY\INTERACTIVE
Well-known group S-1-5-4 Mandatory group, Enabled by default,
Enabled group
CONSOLE LOGON
Well-known group S-1-2-1 Mandatory group, Enabled by default,
Enabled group
NT AUTHORITY\Authenticated Users
Well-known group S-1-5-11 Mandatory group, Enabled by default,
Enabled group
NT AUTHORITY\This Organization
Well-known group S-1-5-15 Mandatory group, Enabled by default,
Enabled group
NT AUTHORITY\Local account
Well-known group S-1-5-113 Mandatory group, Enabled by default,
Enabled group
LOCAL
Well-known group S-1-2-0 Mandatory group, Enabled by default,
Enabled group
NT AUTHORITY\NTLM Authentication
Well-known group S-1-5-64-10 Mandatory group, Enabled by default,
Enabled group
Mandatory Label\Medium Mandatory Level Label
S-1-16-8192
PS E:\temp> whoami
jcpr-dell-3\peter
PS E:\temp> whoami /user
USER INFORMATION
----------------
User Name SID
================= =============================================
jcpr-dell-3\peter S-1-5-21-1468824806-2062748802-729869357-100
I also attach cygcheck.out
group
Description: Binary data
passwd
Description: Binary data
cygcheck.out
Description: Binary data
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