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SID: 2102470 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 12Sep 23, 2010, 12:00 PM

GPL NETBIOS SMB C$ unicode share access

alert tcp $EXTERNAL_NET any -> $HOME_NET 139 (msg:"GPL NETBIOS SMB C$ unicode share access"; flow:established,to_server; content:"|00|"; depth:1; content:"|FF|SMBu"; within:5; distance:3; byte_test:1,&,128,6,relative; byte_jump:2,34,little,relative; content:"C|00 24 00 00 00|"; distance:2; nocase; content:!"I|00|P|00|C|00 24 00 00 00|"; within:10; distance:-10; nocase; classtype:protocol-command-decode; sid:2102470; rev:12; metadata:created_at 2010_09_23, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Sep 23, 2010, 12:00 PM

Jul 26, 2019, 12:00 PM

Sep 21, 2024, 3:00 AM

Oct 6, 2025, 4:34 PM

rules/emerging-netbios.rules