TEMP files under /opt/zeek/spool/worker-*-*/extract_files

Scot Harris <[email protected]> Mon, 30 Dec 2019 21:33:12 +0000
Newsgroups gmane.comp.security.detection.bro
Message-ID <SA9PR09MB4766FBE47197BD98FF7C3BFCA9270@SA9PR09MB4766.namprd09.prod.outlook.com>
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While running some system checks, I noted that on the two zeek 3.0 boxes I =
have in a cluster that drive space was being taken up in the following dire=
ctory:

/opt/zeek/spool/worker-3-1/extract_files.

These files not large but numerous.

total 15884720
-rw-rw-r-- 1 zeek zeek        50 Dec 30 16:26 CZi12w40mQqZt08H24_FWsM9w4uCR=
965XUybc__10.1.24.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-93.txt
-rw-rw-r-- 1 zeek zeek       326 Dec 30 16:26 CZi12w40mQqZt08H24_FEJBtK3MwB=
WHCM3ET__10.1.24.161_c$Windows_TEMP_fstmp_fs_action_110812.bat
-rw-rw-r-- 1 zeek zeek        44 Dec 30 16:26 CZi12w40mQqZt08H24_FzgNR24m7u=
P0dbeI54__10.1.24.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-92.txt
-rw-rw-r-- 1 zeek zeek       315 Dec 30 16:26 CZi12w40mQqZt08H24_FlcyIJ91gL=
M90QJhe__10.1.24.161_c$Windows_TEMP_fstmp_fs_action_110811.bat
-rw-rw-r-- 1 zeek zeek        23 Dec 30 16:26 CZi12w40mQqZt08H24_FXnI1p4Bop=
gQQE4jye__10.1.24.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-91.txt
-rw-rw-r-- 1 zeek zeek       285 Dec 30 16:26 CZi12w40mQqZt08H24_FXROsS11QB=
GTbOJGNd__10.1.24.161_c$Windows_TEMP_fstmp_fs_action_110810.bat
-rw-rw-r-- 1 zeek zeek        19 Dec 30 16:25 CZi12w40mQqZt08H24_FZ3vCj4O7B=
qZZYdgT__10.1.24.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-90.txt
-rw-rw-r-- 1 zeek zeek       330 Dec 30 16:25 CZi12w40mQqZt08H24_FozvDx13eG=
GG5Sssyc__10.1.24.161_c$Windows_TEMP_fstmp_fs_action_110793.bat
-rw-rw-r-- 1 zeek zeek        77 Dec 30 16:25 CZi12w40mQqZt08H24_FIwGEp2TW6=
WJ8IbEcd__10.1.24.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-89.txt
-rw-rw-r-- 1 zeek zeek       313 Dec 30 16:25 CZi12w40mQqZt08H24_FWm9sG44On=
6hV5AoWj__10.1.24.161_c$Windows_TEMP_fstmp_fs_action_110781.bat
-rw-rw-r-- 1 zeek zeek        10 Dec 30 16:25 CZi12w40mQqZt08H24_Fo3rTB2pdq=
5ooABUCa__10.1.24.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-88.txt

Can these files be purged periodically?

Seeing this on both the master box and the cluster node.

Thank you.



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<p class=3D"MsoNormal">While running some system checks, I noted that on th=
e two zeek 3.0 boxes I have in a cluster that drive space was being taken u=
p in the following directory:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">/opt/zeek/spool/worker-3-1/extract_files.<o:p></o:p>=
</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">These files not large but numerous.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">total 15884720<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 50 Dec 30 16:26 CZi12w40mQqZt08H24_FWsM9w4uCR965XUybc__10.1.24=
.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-93.txt<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp; 326 Dec 30 16:26 CZi12w40mQqZt08H24_FEJBtK3MwBWHCM3ET__10.1.24.161_c=
$Windows_TEMP_fstmp_fs_action_110812.bat<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 44 Dec 30 16:26 CZi12w40mQqZt08H24_FzgNR24m7uP0dbeI54__10.1.24=
.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-92.txt<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp; 315 Dec 30 16:26 CZi12w40mQqZt08H24_FlcyIJ91gLM90QJhe__10.1.24.161_c=
$Windows_TEMP_fstmp_fs_action_110811.bat<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 23 Dec 30 16:26 CZi12w40mQqZt08H24_FXnI1p4BopgQQE4jye__10.1.24=
.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-91.txt<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp; 285 Dec 30 16:26 CZi12w40mQqZt08H24_FXROsS11QBGTbOJGNd__10.1.24.161_=
c$Windows_TEMP_fstmp_fs_action_110810.bat<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 19 Dec 30 16:25 CZi12w40mQqZt08H24_FZ3vCj4O7BqZZYdgT__10.1.24.=
161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-90.txt<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
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<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 77 Dec 30 16:25 CZi12w40mQqZt08H24_FIwGEp2TW6WJ8IbEcd__10.1.24=
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<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp; 313 Dec 30 16:25 CZi12w40mQqZt08H24_FWm9sG44On6hV5AoWj__10.1.24.161_=
c$Windows_TEMP_fstmp_fs_action_110781.bat<o:p></o:p></p>
<p class=3D"MsoNormal">-rw-rw-r-- 1 zeek zeek&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 10 Dec 30 16:25 CZi12w40mQqZt08H24_Fo3rTB2pdq5ooABUCa__10.1.24=
.161_c$Windows_TEMP_fstmp_fs_smbfile_10.1.24.161-88.txt<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Can these files be purged periodically?<o:p></o:p></=
p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Seeing this on both the master box and the cluster n=
ode.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thank you.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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