Ethical Hacking Learn to find vulnerabilities before the bad guys do! Gain real world hands on hacking experience in our state of the art hacking lab. Course designed and taught by expert instructors with years of penetration testing experience. 12 student maximum in every class. Certification attempt included in every package. | Computer Forensics Training at InfoSec Institute Gain the in-demand skills of a certified computer examiner, learn to recover trace data left behind by fraud, theft, and cybercrime perpetrators. Discover the source of computer crime and abuse at your organization so that it never happens again. All of our class sizes are guaranteed to be 12 students or less to facilitate one-on-one interaction with one of our expert instructors. |

| Subject: | [Snort-sigs] Rule FP, possible fix |
|---|---|
| Date: | Tue, 7 Dec 2004 16:37:21 -0000 |
Rule: alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"NETBIOS SMB-DS D$ unicode share access"; flow:established,to_server; content:"|00|"; offset:0; depth:1; content:"|FF|SMBu"; distance:3; within:5; byte_test:1,&,128,6,relative; content:"D|00 24 00 00 00|"; nocase; distance:33; classtype:protocol-command-decode; sid:2469; rev:5;) -- Sid: 1:2469 False Positives: If you operate a Distributed File System where users are redirected through to hidden shares which end in D$ (e.g. \\server\shared$) then this rule would trip. Possible fix: the last content should probably be something like: "|00 5C 00 53 00 24 00 00|" ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ Snort-sigs mailing list Snort-sigs@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/snort-sigs
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | [Snort-sigs] Fw: need one help..., ALERT |
|---|---|
| Next by Date: | [Snort-sigs] false positive, Chris Luhman |
| Previous by Thread: | [Snort-sigs] Fw: need one help..., ALERT |
| Next by Thread: | Re: [Snort-sigs] Rule FP, possible fix, warwick ackfin |
| Indexes: | [Date] [Thread] [Top] [All Lists] |