Hi Brent, Your rules are in OSSEC by default (with other ID, why?) but you added a few new rules.
could you send a PR to OSSEC or Wazuh <https://github.com/wazuh/ossec-rules/tree/development>with your new rules?. Thanks. On Wednesday, May 18, 2016 at 8:38:16 PM UTC+2, Rob B wrote: > > Nice! Thanks Pedro! I've got it now.. > > Cheers. > > > On Wednesday, May 18, 2016 at 10:09:14 AM UTC-4, Pedro S wrote: >> >> Hi Rob, >> >> *extra_data *is another allowed field used by OSSEC decoders to extract >> information from the event, once it is extracted you can match the field >> content in order to create a rule. >> The content of extra_data depends on the decoder which extracted it, in >> Windows decoders >> <https://github.com/wazuh/ossec-rules/blob/master/rules-decoders/ossec/decoders/windows_decoders.xml#L350>could >> >> be for example: Win source, Parent Image, Protocol, Signature, Start >> function... >> >> Best regards, >> >> Pedro S. >> >> On Tuesday, May 17, 2016 at 5:32:25 PM UTC+2, Rob B wrote: >>> >>> Thanks Brent.! Funny enough, that day I figured it out and built a >>> whole bunch very similar to your list. Seems to be working very nicely, as >>> now I find myself leaning to creating some down right creative >>> composites.... (finally) >>> >>> I've been looking for some reference material on the <extra_data> tag? >>> How is this used properly? >>> >>> >>> >>> Cheers! Rob >>> >>> >>> On Monday, May 16, 2016 at 5:22:08 PM UTC-4, Brent Morris wrote: >>>> >>>> Rob - can you post your OSSEC version of the log? I can check my >>>> rules. These are a culmination of gleaned rules that I updated some time >>>> back with new event IDs. Yours is covered in there.... but I would like >>>> to test it against a valid OSSEC log. So if you can post it from the >>>> OSSEC >>>> logs, that'd be great. >>>> >>>> Here they are.. >>>> >>>> </group> >>>> <!-- Microsoft Security Essentials rules --> >>>> <!-- see https://technet.microsoft.com/en-us/library/hh144989.aspx --> >>>> <group name="windows,mse,"> >>>> <rule id="720001" level="0"> >>>> <category>windows</category> >>>> <if_sid>18101,18102,18103</if_sid> >>>> <extra_data>^Microsoft Antimalware</extra_data> >>>> <description>Grouping of Microsoft Security Essentials >>>> rules.</description> >>>> </rule> >>>> >>>> <rule id="720010" level="12"> >>>> <if_sid>720001</if_sid> >>>> <id>^1118$|^1119$</id> >>>> <group>virus,</group> >>>> <description>Microsoft Security Essentials - Virus detected, but >>>> unable to remove.</description> >>>> </rule> >>>> <rule id="720011" level="7"> >>>> <if_sid>720001</if_sid> >>>> <id>^1117$</id> >>>> <group>virus,</group> >>>> <description>Microsoft Security Essentials - Virus detected and >>>> properly removed.</description> >>>> </rule> >>>> >>>> <rule id="720012" level="7"> >>>> <if_sid>720001</if_sid> >>>> <id>^1119$|^1118$|^1117$|^1116$</id> >>>> <group>virus,</group> >>>> <description>Microsoft Security Essentials - Virus >>>> detected.</description> >>>> </rule> >>>> >>>> <rule id="720013" level="7"> >>>> <if_sid>720001</if_sid> >>>> <id>^1015$</id> >>>> <group>virus,</group> >>>> <description>Microsoft Security Essentials - Suspicious activity >>>> detected.</description> >>>> </rule> >>>> >>>> <!-- Service conditions and errors --> >>>> <rule id="720020" level="3"> >>>> <if_sid>720001</if_sid> >>>> <id>^5007$</id> >>>> <description>Microsoft Security Essentials - Configuration >>>> changed.</description> >>>> <group>policy_changed,</group> >>>> </rule> >>>> <rule id="720021" level="9"> >>>> <if_sid>720001</if_sid> >>>> <id>^5008$</id> >>>> <description>Microsoft Security Essentials - Service >>>> failed.</description> >>>> </rule> >>>> <rule id="720022" level="9"> >>>> <if_sid>720001</if_sid> >>>> <id>^3002$</id> >>>> <description>Microsoft Security Essentials - Real time protection >>>> failed.</description> >>>> </rule> >>>> <rule id="720023" level="8"> >>>> <if_sid>720001</if_sid> >>>> <id>^2012$</id> >>>> <description>Microsoft Security Essentials - Cannot use Dynamic >>>> Signature Service.</description> >>>> </rule> >>>> <rule id="720024" level="8"> >>>> <if_sid>720001</if_sid> >>>> <id>^2004$</id> >>>> <description>Microsoft Security Essentials - Loading definitions >>>> failed. Using last good set.</description> >>>> </rule> >>>> <rule id="720025" level="8"> >>>> <if_sid>720001</if_sid> >>>> <id>^2003$</id> >>>> <description>Microsoft Security Essentials - Engine update >>>> failed.</description> >>>> </rule> >>>> <rule id="720026" level="8"> >>>> <if_sid>720001</if_sid> >>>> <id>^2001$</id> >>>> <description>Microsoft Security Essentials - Definitions update >>>> failed.</description> >>>> </rule> >>>> <rule id="720027" level="7"> >>>> <if_sid>720001</if_sid> >>>> <id>^1005$</id> >>>> <description>Microsoft Security Essentials - Scan error. Scan has >>>> stopped.</description> >>>> </rule> >>>> <rule id="720028" level="5"> >>>> <if_sid>720001</if_sid> >>>> <id>^1002$</id> >>>> <description>Microsoft Security Essentials - Scan stopped before >>>> completion.</description> >>>> </rule> >>>> >>>> <!-- EICAR test file special case --> >>>> <!-- www.eicar.org/86-0-Intended-use.html --> >>>> <rule id="720041" level="5"> >>>> <if_sid>720012</if_sid> >>>> <match>Virus:DOS/EICAR_Test_File</match> >>>> <options>alert_by_email</options> >>>> <description>Microsoft Security Essentials - EICAR test file >>>> detected.</description> >>>> </rule> >>>> <rule id="720042" level="3"> >>>> <if_sid>720011</if_sid> >>>> <match>Virus:DOS/EICAR_Test_File</match> >>>> <options>alert_by_email</options> >>>> <description>Microsoft Security Essentials - EICAR test file >>>> removed.</description> >>>> </rule> >>>> <rule id="720043" level="8"> >>>> <if_sid>720010</if_sid> >>>> <match>Virus:DOS/EICAR_Test_File</match> >>>> <options>alert_by_email</options> >>>> <description>Microsoft Security Essentials - EICAR test file >>>> detected, but removal failed.</description> >>>> </rule> >>>> >>>> <!-- Status messages --> >>>> <rule id="720050" level="3"> >>>> <if_sid>720001</if_sid> >>>> <id>^2000$</id> >>>> <description>Microsoft Security Essentials - Signature database >>>> updated.</description> >>>> </rule> >>>> <rule id="720051" level="3"> >>>> <if_sid>720001</if_sid> >>>> <id>^2002$</id> >>>> <description>Microsoft Security Essentials - Scan engine >>>> updated.</description> >>>> </rule> >>>> <rule id="720053" level="3"> >>>> <if_sid>720001</if_sid> >>>> <id>^1000$|^1001$</id> >>>> <description>Microsoft Security Essentials - Scan started or >>>> stopped.</description> >>>> </rule> >>>> <rule id="720054" level="4"> >>>> <if_sid>720001</if_sid> >>>> <id>^1013$</id> >>>> <description>Microsoft Security Essentials - History >>>> cleared.</description> >>>> </rule> >>>> >>>> <!-- Time based alerts --> >>>> <rule id="720070" level="10" frequency="4" timeframe="240"> >>>> <if_matched_sid>720011</if_matched_sid> >>>> <description>Multiple Microsoft Security Essentials AV warnings >>>> detected.</description> >>>> </rule> >>>> <rule id="720071" level="10" frequency="4" timeframe="240"> >>>> <if_matched_sid>720012</if_matched_sid> >>>> <description>Multiple Microsoft Security Essentials AV warnings >>>> detected.</description> >>>> </rule> >>>> >>>> </group> <!-- mse --> >>>> >>>> >>>> On Friday, April 22, 2016 at 1:16:22 PM UTC-7, Rob B wrote: >>>>> >>>>> Hello All, >>>>> >>>>> Does anyone have a decoder for Windows Defender floating around out >>>>> there?? >>>>> >>>>> Im having a heck of a time... Here is the event channel event >>>>> example if anyone is curious or can help: (Win10 box) >>>>> >>>>> Log Name: Microsoft-Windows-Windows Defender/Operational >>>>> Source: Microsoft-Windows-Windows Defender >>>>> Date: 4/22/2016 4:05:17 PM >>>>> Event ID: 1116 >>>>> Task Category: None >>>>> Level: Warning >>>>> Keywords: >>>>> User: SYSTEM >>>>> Computer: VICTIM0 >>>>> Description: >>>>> Windows Defender has detected malware or other potentially unwanted >>>>> software. >>>>> For more information please see the following: >>>>> >>>>> http://go.microsoft.com/fwlink/?linkid=37020&name=Trojan:Win32/Bagsu!rfn&threatid=2147694406&enterprise=0 >>>>> Name: Trojan:Win32/Bagsu!rfn >>>>> ID: 2147694406 >>>>> Severity: Severe >>>>> Category: Trojan >>>>> Path: >>>>> containerfile:_\\10.0.1.10\share\Malware_For_Demo\REAL_BAD_Malz2\Server.exe;file:_\\10.0.1.10\share\Malware_For_Demo\REAL_BAD_Malz2\Server.exe;file:_\\10.0.1.10\share\Malware_For_Demo\REAL_BAD_Malz2\Server.exe->(VFS:svchost.exe) >>>>> Detection Origin: Network share >>>>> Detection Type: Concrete >>>>> Detection Source: Real-Time Protection >>>>> User: frog >>>>> Process Name: C:\Windows\explorer.exe >>>>> Signature Version: AV: 1.217.2054.0, AS: 1.217.2054.0, NIS: >>>>> 115.8.0.0 >>>>> Engine Version: AM: 1.1.12603.0, NIS: 2.1.11804.0 >>>>> >>>>> Event Xml: >>>>> <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event";> >>>>> <System> >>>>> <Provider Name="Microsoft-Windows-Windows Defender" >>>>> Guid="{11CD958A-C507-4EF3-B3F2-5FD9DFBD2C78}" /> >>>>> <EventID>1116</EventID> >>>>> <Version>0</Version> >>>>> <Level>3</Level> >>>>> <Task>0</Task> >>>>> <Opcode>0</Opcode> >>>>> <Keywords>0x8000000000000000</Keywords> >>>>> <TimeCreated SystemTime="2016-04-22T20:05:17.551083000Z" /> >>>>> <EventRecordID>95</EventRecordID> >>>>> <Correlation ActivityID="{ECC2B320-F9A6-41AD-9F17-5C9EE24D3330}" /> >>>>> <Execution ProcessID="2332" ThreadID="4540" /> >>>>> <Channel>Microsoft-Windows-Windows Defender/Operational</Channel> >>>>> <Computer>VICTIM0</Computer> >>>>> <Security UserID="S-1-5-77" /> >>>>> </System> >>>>> <EventData> >>>>> <Data Name="Product Name">%%827</Data> >>>>> <Data Name="Product Version">4.9.10586.0</Data> >>>>> <Data Name="Detection >>>>> ID">{CAADD684-36C9-444B-8A6D-8CE537A93E40}</Data> >>>>> <Data Name="Detection Time">2016-04-22T20:04:40.369Z</Data> >>>>> <Data Name="Unused"> >>>>> </Data> >>>>> <Data Name="Unused2"> >>>>> </Data> >>>>> <Data Name="Threat ID">2147694406</Data> >>>>> <Data Name="Threat Name">Trojan:Win32/Bagsu!rfn</Data> >>>>> <Data Name="Severity ID">5</Data> >>>>> <Data Name="Severity Name">Severe</Data> >>>>> <Data Name="Category ID">8</Data> >>>>> <Data Name="Category Name">Trojan</Data> >>>>> <Data Name="FWLink"> >>>>> http://go.microsoft.com/fwlink/?linkid=37020&name=Trojan:Win32/Bagsu!rfn&threatid=2147694406&enterprise=0 >>>>> </Data> >>>>> <Data Name="Status Code">1</Data> >>>>> <Data Name="Status Description"> >>>>> </Data> >>>>> <Data Name="State">1</Data> >>>>> <Data Name="Source ID">3</Data> >>>>> <Data Name="Source Name">%%818</Data> >>>>> <Data Name="Process Name">C:\Windows\explorer.exe</Data> >>>>> <Data Name="Detection User">frog</Data> >>>>> <Data Name="Unused3"> >>>>> </Data> >>>>> <Data >>>>> Name="Path">containerfile:_\\10.0.1.10\share\Malware_For_Demo\REAL_BAD_Malz2\Server.exe;file:_\\10.0.1.10\share\Malware_For_Demo\REAL_BAD_Malz2\Server.exe;file:_\\10.0.1.10\share\Malware_For_Demo\REAL_BAD_Malz2\Server.exe->(VFS:svchost.exe)</Data> >>>>> <Data Name="Origin ID">2</Data> >>>>> <Data Name="Origin Name">%%846</Data> >>>>> <Data Name="Execution ID">1</Data> >>>>> <Data Name="Execution Name">%%813</Data> >>>>> <Data Name="Type ID">0</Data> >>>>> <Data Name="Type Name">%%822</Data> >>>>> <Data Name="Pre Execution Status">0</Data> >>>>> <Data Name="Action ID">9</Data> >>>>> <Data Name="Action Name">%%887</Data> >>>>> <Data Name="Unused4"> >>>>> </Data> >>>>> <Data Name="Error Code">0x00000000</Data> >>>>> <Data Name="Error Description">The operation completed >>>>> successfully. </Data> >>>>> <Data Name="Unused5"> >>>>> </Data> >>>>> <Data Name="Post Clean Status">0</Data> >>>>> <Data Name="Additional Actions ID">0</Data> >>>>> <Data Name="Additional Actions String">No additional actions >>>>> required</Data> >>>>> <Data Name="Remediation User"> >>>>> </Data> >>>>> <Data Name="Unused6"> >>>>> </Data> >>>>> <Data Name="Signature Version">AV: 1.217.2054.0, AS: 1.217.2054.0, >>>>> NIS: 115.8.0.0</Data> >>>>> <Data Name="Engine Version">AM: 1.1.12603.0, NIS: >>>>> 2.1.11804.0</Data> >>>>> </EventData> >>>>> </Event> >>>>> >>>>> >>>>> Thanks!, Rob >>>>> >>>> -- --- You received this message because you are subscribed to the Google Groups "ossec-list" group. 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