alert syslog $EXTERNAL_NET any -> $HOME_NET any (msg: "[WINDOWS-AUTH] Potential Windows User Enumeration - User Name Does Not Exist [Brute Force] [25/1]"; content: "C0000064"; nocase; pcre: "/ 4625: | 4776: /"; content:!"$ Source"; content:!"$ Account Domain|3a| "; flowbits: set,brute_force,86400; classtype: unsuccessful-user; program: Security*; parse_src_ip: 1; after: track by_src, count 25, seconds 300; threshold: type limit, track by_src, count 1, seconds 86400; reference: url,wiki.quadrantsec.com/bin/view/Main/5001728; sid: 5001728; rev:14;)

-- Main.Sagan-Wiki-Add - 2015-10-21

New revisions of 5001728 will be below...

alert syslog $EXTERNAL_NET any -> $HOME_NET any (msg: "[WINDOWS-AUTH] Potential Windows User Enumeration - User Name Does Not Exist [Brute Force] [25/1]"; content: "C0000064"; nocase; pcre: "/ 4625: | 4776: /"; content:!"$ Source"; content:!"$ Account Domain|3a| "; flowbits: set,brute_force,21600; classtype: unsuccessful-user; program: Security; parse_src_ip: 1; after: track by_src, count 25, seconds 300; threshold: type limit, track by_src, count 1, seconds 86400; reference: url,wiki.quadrantsec.com/bin/view/Main/5001728; sid: 5001728; rev:16;)

-- Main.Sagan-Wiki-Add - 2016-8-30

Topic revision: r1 - 2015-10-21 - Sagan-Wiki-Add
 
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