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Jun 27, 2023 •380 likes •436 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

  1. 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

  2. Sample Snort Signature alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"WEB-CGI finger access"; flow:to_server,established; uricontent:"/finger"; nocase; reference:arachnids,221; reference:cve,1999-0612; reference:nessus,10071; classtype:attempted-recon; sid:839; rev:7;)

  3. 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

  4. Snort Botnet Command-and- Control Rule • alert ip $HOME_NET any -> [206.59.139.195,207.114.175.51,207.126.115.205,207.126.115.219 ,207.126.162.236,207.126.162.237,207.150.167.55,207.162.194.15 1,207.179.120.238,207.182.240.68,207.192.72.43,207.192.72.99,2 07.192.73.110,207.210.208.16,207.44.152.199,207.44.180.227,207 .44.184.225,207.45.69.69,208.100.20.83,208.100.20.90,208.100.23 .100,208.100.38.15,208.110.65.135,208.110.69.227,208.111.34.13, 208.111.35.75,208.127.19.151,208.146.35.105,208.146.35.106,208 .167.236.6,208.167.237.120,208.185.80.72,208.185.80.74,208.185. 80.85,208.185.80.87,208.185.81.205,208.185.81.237,208.185.81.2 43,208.185.82.128,208.185.92.26,208.185.92.31,208.20.225.248,2 08.27.69.193,208.51.40.10,208.51.40.2,208.53.146.4,208.53.146.6, 208.53.148.111,208.53.148.254,208.53.148.8,208.53.150.43,208.5 3.150.44,208.53.163.194,208.53.172.67,208.53.175.92,208.53.181. 86,208.67.249.244,208.68.94.62,208.72.157.63,208.77.191.41] any (msg:"ET DROP Known Bot C&C Server Traffic (group 5) "; reference:url,www.shadowserver.org; threshold: type limit, track by_src, seconds 3600, count 1; classtype:trojan-activity; sid: 2404004; rev:1660;)

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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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