alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTPS_PORT (msg: "[WINDOWS-OWA] Login failure - Brute force [25/1]"; content: "/owa/auth/logon.aspx"; nocase; content: "reason=2&"; flowbits: set,brute_force,86400; classtype: unsuccessful-user; after: track by_src, count 25, seconds 300; threshold: type limit, track by_src, count 1, seconds 86400; fwsam: src, 1 day; parse_src_ip: 1; parse_dst_ip: 2; reference: url,wiki.quadrantsec.com/bin/view/Main/5002264; sid: 5002264; rev:4;)

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

New revisions of 5002264 will be below...

alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTPS_PORT (msg: "[WINDOWS-OWA] Login failure - Brute force [25/1]"; content: "/owa/auth/logon.aspx"; nocase; content: "reason=2&"; flowbits: set,brute_force,21600; classtype: unsuccessful-user; after: track by_src, count 25, seconds 300; threshold: type limit, track by_src, count 1, seconds 86400; fwsam: src, 1 day; parse_src_ip: 1; parse_dst_ip: 2; reference: url,wiki.quadrantsec.com/bin/view/Main/5002264; sid: 5002264; rev:5;)

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

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