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...
>
>
>
>

-- 

--- 
You received this message because you are subscribed to the Google Groups 
"ossec-list" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to ossec-list+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to