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Sample Snort Signature alert tcp $EXTERNAL_NET any -> $HOME_NET - PowerPoint PPT Presentation

Jun 27, 2023 •277 likes •370 views

Sample Snort Signature alert tcp $EXTERNAL_NET any -> $HOME_NET 139 flow:to_server,established content:"|eb2f 5feb 4a5e 89fb 893e 89f2|" msg:"EXPLOIT x86 linux samba overflow" reference:bugtraq,1816

  4. Sample Snort Signature alert tcp $EXTERNAL_NET any -> $HOME_NET 139 flow:to_server,established content:"|eb2f 5feb 4a5e 89fb 893e 89f2|" msg:"EXPLOIT x86 linux samba overflow" reference:bugtraq,1816 reference:cve,CVE-1999-0811 classtype:attempted-admin

  5. Sample Snort Signature alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:”ET Piranha default passwd attempt”; flow:to_server,established; uricontent:"/piranha/secure/control.php3”; content:"Authorization\: Basic cGlyYW5oYTp"; reference:bugtraq,1148; reference:cve,2000-0248; reference:nessus,10381; classtype:attempted-recon; sid:2002331; rev:5;)

  6. Sample Snort Vulnerability Signature alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS uricontent: ".ida?"; nocase; dsize: > 239; flags:A+ msg:"Web-IIS ISAPI .ida attempt" reference:bugtraq,1816 reference:cve,CAN-2000-0071 classtype:attempted-admin

  7. # Logins by User Joe to Machine Z 30 25 20 15 10 5 0 A B C D Client System

  8. Hour of User Joe's Logins to Machine Z 10 8 Frequency 6 4 2 0 0 5 10 15 20 Hour of Day

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Sample Snort Signature alert tcp $EXTERNAL_NET any -> $HOME_NET 139

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Sample Snort Signature alert tcp $EXTERNAL_NET any -> $HOME_NET 139 flow:to_server,established content:"|eb2f 5feb 4a5e 89fb 893e 89f2|" msg:"EXPLOIT x86 linux samba overflow" reference:bugtraq,1816

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