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Windows SMB Shares Enumeration Scanner

You can scan your Windows system by using this tool.

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Short Info


Level

Information

Type

Single Scan

Can be used by

Everyone

Estimated Time

15 sec

Scan only one

Domain, Ipv4

Parent Category

Windows SMB Shares Enumeration Scanner Detail

Attempts to list shares using the srvsvc.NetShareEnumAll MSRPC function and retrieve more information about them using srvsvc.NetShareGetInfo. If access to those functions is denied, a list of common share names are checked.

Finding open shares is useful to a penetration tester because there may be private files shared, or, if it's writable, it could be a good place to drop a Trojan or to infect a file that's already there. Knowing where the share is could make those kinds of tests more useful, except that determining where the share is requires administrative privileges already.

Running NetShareEnumAll will work anonymously against Windows 2000, and requires a user-level account on any other Windows version. Calling NetShareGetInfo requires an administrator account on all versions of Windows up to 2003, as well as Windows Vista and Windows 7, if UAC is turned down.

Even if NetShareEnumAll is restricted, attempting to connect to a share will always reveal its existence. So, if NetShareEnumAll fails, a pre-generated list of shares, based on a large test network, are used. If any of those succeed, they are recorded.

After a list of shares is found, the script attempts to connect to each of them anonymously, which divides them into "anonymous", for shares that the NULL user can connect to, or "restricted", for shares that require a user account.

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