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https://github.com/techspence/ScriptSentry

ScriptSentry finds misconfigured and dangerous logon scripts.
https://github.com/techspence/ScriptSentry

active-directory logon-script script-sentry

Last synced: 3 months ago
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ScriptSentry finds misconfigured and dangerous logon scripts.

Host: GitHub
URL: https://github.com/techspence/ScriptSentry
Owner: techspence
Created: 2023-07-22T03:17:58.000Z (over 1 year ago)
Default Branch: main
Last Pushed: 2024-07-23T19:59:49.000Z (4 months ago)
Last Synced: 2024-07-23T23:16:01.880Z (4 months ago)
Topics: active-directory, logon-script, script-sentry
Language: PowerShell
Homepage:
Size: 365 KB
Stars: 271
Watchers: 8
Forks: 27
Open Issues: 1
Metadata Files:
- Readme: README.md

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README

# ScriptSentry
![ScriptSentry](ScriptSentry.png)

ScriptSentry finds misconfigured and dangerous logon scripts.

### Read the blog post
https://offsec.blog/hidden-menace-how-to-identify-misconfigured-and-dangerous-logon-scripts/

### Usage
```PowerShell
# Run ScriptSentry and display results on the console
IEX(Invoke-WebRequest 'https://raw.githubusercontent.com/techspence/ScriptSentry/main/Invoke-ScriptSentry.ps1')
Invoke-ScriptSentry

# Run ScriptSentry and save output to a text file
IEX(Invoke-WebRequest 'https://raw.githubusercontent.com/techspence/ScriptSentry/main/Invoke-ScriptSentry.ps1')
Invoke-ScriptSentry | Out-File c:\temp\ScriptSentry.txt

# Run ScriptSentry and save results to separate csv files in the current directory
IEX(Invoke-WebRequest 'https://raw.githubusercontent.com/techspence/ScriptSentry/main/Invoke-ScriptSentry.ps1')
Invoke-ScriptSentry -SaveOutput $true
```

### Example Output
```
_______ _______ _______ _________ _______ _________ _______ _______ _ _________ _______
( ____ $ ____ \( ____ )\__ __/( ____ )\__ __/( ____ \( ____ \( ( /|\__ __/( ____ )|\ /|
| ( \/| ( \/| ( )| ) ( | ( )| ) ( | ( \/| ( \/| \ ( | ) ( | ( )|( \ / )
| (_____ | | | (____)| | | | (____)| | | | (_____ | (__ | \ | | | | | (____)| \ (_) /
(_____ )| | | __) | | | _____) | | (_____ )| __) | (\ $ | | | | __) \ /
) || | | (\ ( | | | ( | | ) || ( | | \ | | | | (\ ( ) (
/\____) || (____/\| ) \ \_____) (___| ) | | /\____) || (____/\| ) \ | | | | ) \ \__ | |
\_______)(_______/|/ \__/\_______/|/ )_( \_______)(_______/|/ )_) )_( |/ \__/ \_/
by: Spencer Alessi @techspence
v0.6
__,_______
/ __.==---/ * * * * * *
/ (-'
`-'
Setting phasers to stun, please wait..

########## Unsafe UNC folder permissions ##########

Type File User Rights
---- ---- ---- ------
UnsafeUNCFolderPermission \\eureka-dc01\fileshare1 Everyone FullControl
UnsafeUNCFolderPermission \\eureka-dc01\fileshare1\accounting Everyone FullControl
UnsafeUNCFolderPermission \\eureka-dc01\fileshare1\IT Everyone FullControl

########## Unsafe logon script permissions ##########

Type File User Rights
---- ---- ---- ------
UnsafeLogonScriptPermission \\eureka.local\sysvol\eureka.local\scripts\elevate.vbs NT AUTHORITY\Authenticated Users ReadAndExecute, Synchronize
UnsafeLogonScriptPermission \\eureka.local\sysvol\eureka.local\scripts\run.vbs NT AUTHORITY\Authenticated Users ReadAndExecute, Synchronize
UnsafeLogonScriptPermission \\eureka.local\sysvol\eureka.local\scripts\test.cmd EUREKA\Domain Users Modify, Synchronize

########## Unsafe GPO logon script permissions ##########

Type File User Rights
---- ---- ---- ------
UnsafeGPOLogonScriptPermission \\eureka-dc01\fileshare1\run.bat EUREKA\testuser Write, ReadAndExecute, Synchronize
UnsafeGPOLogonScriptPermission \\eureka-dc01\fileshare1\run.bat Everyone FullControl

########## Unsafe UNC file permissions ##########

Type File User Rights
---- ---- ---- ------
UnsafeUNCFilePermission \\eureka-dc01\fileshare1\IT\securit360pentest.bat Everyone FullControl

########## Unsafe NETLOGON/SYSVOL permissions ##########

Type Folder User Rights
---- ------ ---- ------
UnsafeNetlogonSysvol \\eureka.local\NETLOGON EUREKA\Domain Users Modify, Synchronize
UnsafeNetlogonSysvol \\eureka.local\SYSVOL NT AUTHORITY\Authenticated Users Modify, Synchronize

########## Plaintext credentials ##########

Type File Credential
---- ---- ----------
Credentials \\eureka.local\sysvol\eureka.local\scripts\ADCheck.ps1 $password = ConvertTo-SecureString -String "Password2468!" -AsPlainText -Force
Credentials \\eureka.local\sysvol\eureka.local\scripts\shares.cmd net use f: \\eureka-dc01\fileshare1\it /user:itadmin Password2468!
Credentials \\eureka.local\sysvol\eureka.local\scripts\test.cmd net use g: \\eureka-dc01\fileshare1 /user:user1 Password3355!
Credentials \\eureka.local\sysvol\eureka.local\scripts\test.cmd net use h: \\eureka-dc01\fileshare1\accounting /user:userfoo Password5!
Credentials \\eureka.local\sysvol\eureka.local\scripts\logon.kix Use X: "\\eureka-dc01\fileshare2" /USER:itadmin /P:Password2468!

########## Nonexistent Shares ##########

Type Server Share Script DNS Exploitable Admins
---- ------ ----- ------ --- ----------- ------
NonexistentShare CUHOLDING \\CUHOLDING\QUICKBOOKS \\eureka.local\sysvol\eureka.local\scripts\marketing.bat No Potentially No
NonexistentShare eureka-srvnotexist \\eureka-srvnotexist\NonExistingShare \\eureka.local\sysvol\eureka.local\scripts\test.cmd No Potentially No
NonexistentShare NAS \\NAS\PUBLIC \\eureka.local\sysvol\eureka.local\scripts\main.bat No Potentially No
NonexistentShare NAS \\NAS\SYMITAR \\eureka.local\sysvol\eureka.local\scripts\symregOLD.bat No Potentially No

########## Admins with logonscripts ##########

Type User LogonScript
---- ---- -----------
AdminLogonScript LDAP://CN=Administrator,CN=Users,DC=eureka,DC=local run.vbs
AdminLogonScript LDAP://CN=it admin,OU=Admins,OU=Eureka,DC=eureka,DC=local elevate.vbs

########## Admins with logonscripts mapped from nonexistent share ##########

Type Server Share Script DNS Exploitable Admins
---- ------ ----- ------ --- ----------- ------
ExploitableLogonScript eureka-srvnotexist \\eureka-srvnotexist\NonExistingShare \\eureka.local\sysvol\eureka.local\scripts\test.cmd No Yes LDAP://eureka.local/CN=it admin,OU=Admins,OU=Eureka,DC=eureka,DC=local
ExploitableLogonScript eureka-srvnotexist \\eureka-srvnotexist\NonExistingShare \\eureka.local\sysvol\eureka.local\scripts\test.cmd No Yes LDAP://eureka.local/CN=user1,OU=Users,OU=Eureka,DC=eureka,DC=local
```