ossec v2.8 & local_rules included... On Tuesday, May 24, 2016 at 11:39:06 AM UTC-5, Jesus Linares wrote: > > Hi, > > you are right, the problem should be with your rule. Do you have > local_rules.xml included in ossec.conf?. What OSSEC version are you > running?. > > In my version it is working (Wazuh <https://github.com/wazuh>): > > 2016-05-23 20:03:38 10.18.100.24 23138 - FTPSVC4 SPMEDIA1 - 10.20.199.157 > 12600 PASS *** 530 1326 41 101 16 0 6ecb4d92-0515-44a5-ad58-9f057ff2fd18 - > An+error+occurred+during+the+authentication+process. > > > > > **Phase 1: Completed pre-decoding. > full event: '2016-05-23 20:03:38 10.18.100.24 23138 - FTPSVC4 > SPMEDIA1 - 10.20.199.157 12600 PASS *** 530 1326 41 101 16 0 > 6ecb4d92-0515-44a5-ad58-9f057ff2fd18 - > An+error+occurred+during+the+authentication+process.' > hostname: 'LinMV' > program_name: '(null)' > log: '2016-05-23 20:03:38 10.18.100.24 23138 - FTPSVC4 SPMEDIA1 - > 10.20.199.157 12600 PASS *** 530 1326 41 101 16 0 > 6ecb4d92-0515-44a5-ad58-9f057ff2fd18 - > An+error+occurred+during+the+authentication+process.' > > > **Phase 2: Completed decoding. > decoder: 'windows-date-format' > srcip: '10.18.100.24' > dstuser: '-' > action: 'PASS' > id: '530' > > > **Phase 3: Completed filtering (rules). > Rule id: '100005' > Level: '5' > Description: 'FTP Authentication failed.' > **Alert to be generated. > > > > > On Tuesday, May 24, 2016 at 5:39:55 PM UTC+2, Jacob Mcgrath wrote: >> >> I can run 8-10 failed logins and do get email alerts for them so I >> believe the decoder is working but the rules are not being applied and the >> fall back is rule:1002 for some reason???? >> >> OSSEC HIDS Notification. >> >> 2016 May 24 15:32:13 >> >> >> >> Received From: (spmedia1) >> 10.20.199.157->\inetpub\logs\LogFiles\FTPSVC4\u_ex160524.log >> >> Rule: 1002 fired (level 2) -> "Unknown problem somewhere in the system." >> >> Portion of the log(s): >> >> >> >> 2016-05-24 15:31:20 10.18.100.24 46986 - FTPSVC4 SPMEDIA1 - 10.20.199.157 >> 12600 PASS *** 530 1326 41 101 10 16 ffbd0e67-ff45-4c49-b29f-26692a1975da - >> An+error+occurred+during+the+authentication+process. >> >> >> >> >> >> >> >> --END OF NOTIFICATION >> >> >> >> On Monday, May 23, 2016 at 3:51:28 PM UTC-5, Jacob Mcgrath wrote: >>> >>> Here is what I have so far... >>> >>> *Agent config* >>> >>> >>> >>> <localfile> >>> <location>C:\inetpub\logs\LogFiles\FTPSVC4\u_ex%y%m%d.log</location> >>> <log_format>iis</log_format> >>> </localfile> >>> >>> *Server local_decoder.xml* >>> >>> <decoder name="msftp8"> >>> <parent>windows-date-format</parent> >>> <use_own_name>true</use_own_name> >>> <prematch offset="after_parent">^\d+.\d+.\d+.\d+ \d+ \S+ FTPSVC</ >>> prematch> >>> <regex offset="after_parent">^(\d+.\d+.\d+.\d+) \d+ (\S+) \S+ \S+ \S >>> + \S+ </regex> >>> <regex>\d+ (\S+) \S+ (\d+) </regex> >>> <order>srcip,user,action,id</order> >>> </decoder> >>> >>> *Server local_rules.xml* >>> >>> <group name="msftp8,syslog,"> >>> <rule id="100004" level="0"> >>> <decoded_as>msftp8</decoded_as> >>> <description>Grouping for the Microsoft ftp 8 rules.</description> >>> </rule> >>> >>> <rule id="100005" level="5"> >>> <if_sid>100004</if_sid> >>> <action>PASS</action> >>> <id>530</id> >>> <description>FTP Authentication failed.</description> >>> <group>authentication_failed,</group> >>> </rule> >>> >>> <rule id="100006" level="10" frequency="6" timeframe="120"> >>> <if_matched_sid>100005</if_matched_sid> >>> <description>FTP brute force (multiple failed logins).</ >>> description> >>> <group>authentication_failures,</group> >>> </rule> >>> >>> </group> >>> >>> >>> >>> *No My IIS 8 ftp server log looks like this for the 530 error:* >>> >>> 2016-05-23 20:03:38 10.18.100.24 23138 - FTPSVC4 SPMEDIA1 - >>> 10.20.199.157 12600 PASS *** 530 1326 41 101 16 0 >>> 6ecb4d92-0515-44a5-ad58-9f057ff2fd18 - >>> An+error+occurred+during+the+authentication+process. >>> >>> >>> The plan is to check the IIS 8 FTP server log looking for brute force >>> attempts and in addition drop the IP that is offending to agents. >>> >>> I have set these up and restarted both server and agent and run 10+ >>> rapid ftp login attempts but do not see any real alerts as designed. >>> >>> Any direction would be welcomed... >>> >>> >>> >>>
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