Provided by Aanval (Snort & Syslog Intrusion Detection and Correlation Engine) www.aanval.com
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| GEN:SID | 1:533 |
| Message | NETBIOS SMB C$ share access |
| Summary | This event is generated when an attempt is made to access the C$ default administrative share of a Windows host. |
| Impact | Serious. Possible administrator access to the host. Information disclosure. |
| Detailed Information | By default, Windows hosts have default administrative shares of the local hard drives using the format %DRIVE_LETTER% + $. Anybody with administrative rights can remotely access the share. |
| Affected Systems | Windows hosts. |
| Attack Scenarios | An attacker may be attempting to access files located on the C drive of the host. |
| Ease of Attack | Simple. |
| Corrective Action | Disallow Netbios access from external networks (tcp port 139). |
| Additional References | Arachnids: http://www.whitehats.com/info/IDS339 Microsoft: http://support.microsoft.com/default.aspx?scid=kb;en-us;100517 |
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DID:473448
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