Hi,
Nice commands, very useful, thanks for sharing.
Both commands are working on my labs, the second one prints the full list
of files at the terminal and writes into C:\temp\test.txt file (watch out
the last *" *quotes before </comand>).
I am not sure if you need to merge the two commands output into the same
alert, in that case, I can't only think about combine both and running just
one <localfile>.
Regards,
Pedro S.
On Tue, Apr 19, 2016 at 9:23 PM, Jacob Mcgrath <jacob.xtrememe...@gmail.com>
wrote:
> I have a basic Windows agent setting to alert me when a storage device is
> detected using Power shell..
>
> <localfile>
> <log_format>full_command</log_format>
> <command>powershell.exe -command "gwmi win32_diskdrive | select
> Model,InterfaceType,serialnumber,Size,MediaType,CapabilityDescriptions
> >
> C:\temp\usbdetect.txt ; (gc C:\temp\usbdetect.txt | select -Skip 2)"
> </command>
> <frequency>300</frequency>
> <alias>USBDevices</alias>
> </localfile>
>
>
> with the following rule in local_rules.xml
> <rule id="503002" level="7">
> <if_sid>530</if_sid>
> <match>ossec: output: 'USBDevices'</match>
> <check_diff />
> <description>Mounted Device change detected</description>
> </rule>
>
>
>
>
> Of course I get this alert which is nice for basic logging..
>
> OSSEC HIDS Notification.
>
>
>
> 2016 Apr 19 18:35:31
>
>
>
> Received From: (mis41) any->USBDevices
>
> Rule: 503002 fired (level 7) -> "Mounted Device change detected"
>
> Portion of the log(s):
>
>
>
> ossec: output: 'USBDevices':
>
> Model : TOSHIBA DT01ACA100 SCSI Disk Device
>
> InterfaceType : IDE
>
> serialnumber : 359ZMW6MS
>
> Size : 1000202273280
>
> MediaType : Fixed hard disk media
>
> CapabilityDescriptions : {Random Access, Supports Writing, SMART
> Notification}
>
> Model : Verbatim STORE N GO USB Device
>
> InterfaceType : USB
>
> serialnumber : AA00000000000489
>
> Size : 16022845440
>
> MediaType : Removable Media
>
> CapabilityDescriptions : {Random Access, Supports Writing, Supports
> Removable M
>
> edia}
>
> Model : Verbatim STORE N GO USB Device
>
> InterfaceType : USB
>
> serialnumber : AA00000000000489
>
> Size : 16022845440
>
> MediaType : Removable Media
>
> CapabilityDescriptions : {Random Access, Supports Writing, Supports
> Removable M
>
>
>
>
>
>
>
> --END OF NOTIFICATION
>
>
>
> I was playing around with Powershell and have a optional command to print
> out USB storage device files recursively...
>
>
> powershell.exe $USBDrive = Get-WmiObject Win32_Volume -Filter
> "DriveType='2'"| select -expand driveletter ; Get-Childitem $USBDrive -recurse
> > C:\temp\test.txt ; (gc C:\temp\test.txt | select -Skip 2)
>
>
> this gives me this output in a tmp.txt if ran from a powershell window and
> or run line.
>
>
> Directory: F:\
>
>
> Mode LastWriteTime Length Name
> ---- ------------- ------ ----
> -a--- 11/06/2015 12:38 PM 22908888 mbam-setup-2.2.0.1024.exe
> -a--- 12/21/2014 9:27 AM 397798952 sp66051_driver-pack.exe
>
>
> Directory: E:\
>
>
> Mode LastWriteTime Length Name
> ---- ------------- ------ ----
> -a--- 12/06/2011 9:51 AM 388608 HijackThis.exe
> -a--- 03/04/2016 2:44 PM 22908888 mbam-setup-2.2.0.1024.exe
> -a--- 03/04/2016 2:46 PM 9524 hijackthis.log
>
> I have been attempting to get the above USB recursive file lists
> into a USB detection report but have not had any success as of yet using
> the above command instead of the first like below.
>
>
>
> <localfile>
> <log_format>full_command</log_format>
> <command>powershell.exe $USBDrive = Get-WmiObject Win32_Volume -Filter
> "DriveType='2'"| select -expand driveletter ; Get-Childitem $USBDrive -
> recurse > C:\temp\test.txt ; (gc C:\temp\test.txt | select -Skip 2)"
> </command>
> <frequency>300</frequency>
> <alias>USBDevices</alias>
> </localfile>
>
>
> This gives me a empty C:\temp\test.txt file...
>
>
> Any suggestions would be appreiciated...
>
>
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