About avoelk

avoelk · ‎10-09-2021

hello, yes that's the only alert having that problem. the settings are the same as within another environment and there it doesn't take 30000 ms but 500. the difference between those environments is mainly that the searchheads in which I try to use the alert stand in different networks. so I'm assuming there might be something between the searchhead and the inbox of my email that is throttleing it. could that be? I don't really "get" this error, since it's the first time and with an alert that has been used multiple times on different occations.

avoelk · ‎10-08-2021

Hello there, I hope someone can help! a report we generated doesn't send emails, or just sporadically. also, the action time for this is very high as you can see here (field "action_time_ms"): 10-08-2021 14:20:35.156 +0200 INFO SavedSplunker - savedsearch_id="nobody;search;SIGNL4 - High or Critical Notable Events Clone", search_type="scheduled", user="maximilian.wehner", app="search", savedsearch_name="SIGNL4 - High or Critical Notable Events Clone", priority=default, status=success, digest_mode=0, scheduled_time=1633695120, window_time=0, dispatch_time=1633695122, run_time=2.838, result_count=1, alert_actions="email", sid="scheduler_bWF4aW1pbGlhbi53ZWhuZXI__search__RMD55d86aa6233cebf27_at_1633695120_428", suppressed=0, fired=1, skipped=0, action_time_ms=509817, thread_id="AlertNotifierWorker-1", message="", workload_pool="" action_time_ms is a LOT. so something prevents it from being sent or whatever is going on. usually I think splunk could send an email without configuring a mailserver but currently we want to use our o365 mailserver for it. this has been tested with another environment and there it definitely works like a charm. here the config of the alert and the mailserver config: --> we've artificially set the maxtime very high to check if splunk is finally sendint the mail after a while. record was over 8 minutes until a mail was sent. My questions now are how can this happen? is there a way to further investigate and resolve this issue? currently this alert is mandatory for a security view and if this alert only comes every now and then, it's a main issue. [email] auth_password = **** auth_username = user@xyz.de from = splunk@sxyz.de mailserver = smtp.office365.com pdf.header_left = none pdf.header_right = none use_tls = 1 reportPaperSize = a4 hostname = somehostname maxtime = 20m is there something wrong with the config? What can I do to further troubleshoot this issue and hopefully resolve it? I guess this issue has come up in the past thanks a lot for help!

avoelk · ‎10-07-2021

Hello and thank you for your help, after further discussion I think the best way of putting it is the following: 1.) I need a maximum of a value of a certain attribute at a specific day as basecount and then looks back 14 days (related to this specific day) and counts the occurance of events which contain the word "detatched" and add this as a count to the basecount. 2.) this would be the view for a specific day. after this I'd need this view, but for a timewindow of for example 7 days (sliding timewindow). It's the best way of finally putting it. I hope you get what I mean. 🙂 I'm sorry that I switched back and forth with the explanation but as you can see it's not an easy way of describing it. Thanks a lot for the help!

avoelk · ‎10-05-2021

hello and thanks a lot for the continuous help, I'm going to test this query tomorrow. it looks like the right thing we need. will keep you updated and thanks again!

avoelk · ‎09-09-2021

Hi javiergn, thanks for your help, there are some very useful parts in it. I had to adjust my question during the last few days so much that I created a new post here : https://community.splunk.com/t5/Splunk-Search/Add-a-count-from-a-different-time-period/m-p/566452/thread-id/197406 that's the current "end goal" after I've talked with everyone again and figured out what the key points actually are.

avoelk · ‎09-09-2021

Hello, I'm trying to add the appearance of a certain value in my base search count. the value is "detatched". it is written in an event, when a certain license has been used. this detatched license has a lifespan of 14 days, afterwards it's not active anymore and I don't need to add this to my base search anymore. so basically it's like this : index=indexa=* licensecount=* productid=5000 earliest=-30d@d latest=now() | eval flag="basecount" | append [search index=indexa =* productid=5000 subject="*detatched*" earliest=-45d@d latest=-31d@d | eval flag="addcount"] | stats count(eval(flag="basecount")) as basecount count(eval(flag="addcount")) as addcount | eval totalcount = basecount+addcount |timechart span=1d count(totalcount) I know this query is partlially stupid but what I want to show is what I'm trying to accomplish. Example: Today I have a licence count of the product 5000 of 5, 14 days ago I had a count of 1, therefore today it should show me 6. tomorrow, this count of 1 shouldn't be added anymore, cause it's more than 14 days old and not active anymore. this should be seen - ideally - in a timechart. Hope someone can make sense of this . Much appreciate any help or feedback, cause, maybe it's not possible to do so in splunk. Thanks a lot guys

avoelk · ‎09-09-2021

this is an old topic but, for everyone who is searching for this, there are two possible reasons why this search doesn't function: - difference in mount_point - forgot to put in a host value for me it was both. it works

avoelk · ‎09-07-2021

ah, eventstats! so with eventstats I got a value of max logincount for example 10 after I've looked how often the user (who has the max logincount in the first search) logged in the past week , for example 5 times, I want to add this to the max logincount so 10+5 = 15

avoelk · ‎09-07-2021

Hi @javiergn , thanks a lot. that worked too. is there a way to, if I'd have a field in which the maximum login count for a certain user resides, to add the amount of appearances this user logged in the week before? so : index=indexa action=allowed app=DNS logincount=* earliest=-7d latest=now() | stats max(logincount) as max_count | eval flag="count1" | append [search index=indexa action=allowed app=DNS logincount=* earliest=-14d latest=-7d | stats count(if(max_count=logincount,1,0) as add_count | eval flag="count2"] | stats count(eval(flag="count1")) as count1 count(eval(flag="count2")) as count2 | eval count = count1+count2 but I know this doesn't work since the subsearch doesn't know what I mean with max_count=logincount. It's hard to explain .. in that case it should be like count the maximum login count within this week and show me the user, then look how often this user logged in the week before and add this amount to my current count.

avoelk · ‎09-07-2021

Hello! is it possible to search a field value and then count it for example first the current week and then add the count of the same search from the week before ? something like: index=indexa action=allowed app=DNS dest="8.8.8.8" earliest=-14d latest=-7d | eval flag="count1" | append [search index=indexa action=allowed app=DNS dest="8.8.8.8" earliest=-7d latest=now() | eval flag="count2"] | stats count(eval(flag="count1")) as count1 count(eval(flag="count2")) as count2 | eval count = count1+count2 Something in my use of the earliest/latest doesn't seem to work. what am I doing wrong?

avoelk · ‎09-07-2021

True! tnx, I edited my question. I meant to put fieldx in it, not max_port. actually I want to overwrite maxport, the new field was just to show whether my eval works or not (it doesn't).

avoelk · ‎09-07-2021

Hello everyone! I struggle to find a way to add a value (for example 1) to a fieldvalue in case a certain field exists. Let's say this certain field is fieldx and it only exists and has a value, when you specifically block a port. After you've unblocked it, the field disappears. what I'm currently looking at is a maxvalue of a field (for example the highest destination port number) so I go index=firewall destport=* |stats max(destport) as max_port now I have my highest destination port. let's say it's 65000 what I'm now trying to accomplish is, that, if this port is currently blocked and the fieldx=blocked appears, I want to add a 1 to the max_port value -> 65001 and otherwise leave it be. I've tried an eval if like that: |eval maxport=if(isnotnull(fieldx),max_port+1,max_port) but it doesn't work. do I have something wrong? ps: in reality I don't know what the value of the fieldx is, so I can't just if(fieldx==blocked,...). but since the field only appears if there is a value in it to begin with, I would use that to my advantage. also, is it possible to add the +1 only for a certain period of time ? for example add +1 to the value as long as it is in a two week frame ?

avoelk · ‎12-14-2020

alright so apparently the GUI is sometimes buggy when you try to change a sourcetype. so to do more than just the linebreak - especially the deletion of the header - I did this: since it's a huge one line event and has no breakt the FIELD_HEADER_REGEX doesn't work here. what I did was: props.conf TRANSFORMS-t1 = extraction transforms.conf [extraction] REGEX = \<\?xml\sversion="\d.\d"\sencoding="UTF-8"\s\?\>\<dataroot\> DEST_KEY = queue FORMAT = nullQueue this captured the whole xml lalala crap until the actual event begins. since there is <dataroot> at the beginning AND end, this deletes both. to extract the necessary ActionDate and ActionTime and put it together into a new timestamp I did the following: props.conf REPORT-actiondate = actiondate EVAL-_time = strptime(ActionDate +" " + ActionTime,"%Y-%m-%d %H:%M:%S") transforms.conf [actiondate] REGEX = \<ActionDate\>(?P<ActionDate>\d+-\d+-\d+)\<\/ActionDate\>\s*\<ActionTime\>(?P<ActionTime>\d+:\d+:\d+) FORMAT = $1::$2 I still don't understand the part "broken out using spath mean" so I figured I'd do it with .. well, spath via SPL: index=myindex sourcetype=mysourcetype |spath input=_raw path= that did it for me

avoelk · ‎12-14-2020

Hello fellow splunkers, right now I'm working through the 7 labs for SE II which are necessary to be able to start the finishing accreditation quiz. I've been able to finish 5 of them by now but am totally lost with lab 6. here the instructions are: - events should begin with <Interceptor> and end with </Interceptor> (so Linebreaking is needed) - Extract (at search time) all fields and values in between the Interceptor lines and throw away any of the header lines before the first <Interceptor> and the line after the very last </Interceptor> - Use the ActionDate and ActionTime field as the timestamp - have Splunk auto extract the fields and values how they say I'd know I've done it: - I'll have x amount of events and the fields broken out using SPATH notation - the correct timestamp - no text before the first and after the last Interceptor What I have so far: - I'm able to extract ActionDate and ActionTime to create a new timestamp - I'm able to linebreak with LINE_BREAK = \<Interceptor\>() My Issue: - When I linebreak I save the new sourcetype and try to proceed to alter it given the other things to do like extract timestamp or delete the header text. but when I change ANYTHING it just disregards the linebreaker argument and goes back to be one huge event again and I can't do anything about it. - even if I could linebreak and extract everything as stated, I don't really understand what they mean with "broken out using SPATH mean". do they mean via SPL ? cause they clearly stated that Splunk should "auto extract the fields and values" How the data looks: <?xml version="1.0" encoding="UTF-8" ?><dataroot><Interceptor><AttackCoords>-80.33100097073213,25.10742916222947</AttackCoords><Outcome>Interdiction</Outcome><Infiltrators>23</Infiltrators><Enforcer>Ironwood</Enforcer><ActionDate>2013-04-24</ActionDate><ActionTime>00:07:00</ActionTime><RecordNotes></RecordNotes><NumEscaped>0</NumEscaped><LaunchCoords>-80.23429525620114,24.08680387475695</LaunchCoords><AttackVessel>Rustic</AttackVessel></Interceptor><Interceptor><AttackCoords>-80.14622349209523,24.53605142362535</AttackCoords><Outcome>Interdiction</Outcome><Infiltrators>6</Infiltrators><Enforcer>Cunningham</Enforcer><ActionDate>2013-04-26</ActionDate><ActionTime>00:23:00</ActionTime><RecordNotes></RecordNotes><NumEscaped>0</NumEscaped><LaunchCoords></LaunchCoords><AttackVessel>Raft</AttackVessel></Interceptor><Interceptor><AttackCoords>-80.75496221688965,24.72483828554483</AttackCoords><Outcome>Interdiction</Outcome><Infiltrators>11</Infiltrators><Enforcer>Forthright</Enforcer><ActionDate>2013-05-15</ActionDate><ActionTime>23:35:00</ActionTime><RecordNotes></RecordNotes><NumEscaped>0</NumEscaped><LaunchCoords>-79.65932674368925,23.70743135623052</LaunchCoords><AttackVessel>Rustic</AttackVessel></Interceptor><Interceptor><AttackCoords>-80.32020594311533,25.02156920297054</AttackCoords><Outcome>Interdiction</Outcome><Infiltrators>6</Infiltrators><Enforcer>Pompano</Enforcer><ActionDate>2013-02-25</ActionDate><ActionTime>15:35:00</ActionTime><RecordNotes></RecordNotes><NumEscaped>0</NumEscaped><LaunchCoords></LaunchCoords><AttackVessel>Raft</AttackVessel></Interceptor><Interceptor><AttackCoords>-80.15149489716094,24.57412215015249</AttackCoords><Outcome>Interdiction</Outcome><Infiltrators>6</Infiltrators><Enforcer>Tripoteur</Enforcer><ActionDate>2013-04-13</ActionDate><ActionTime>15:40:00</ActionTime><RecordNotes></RecordNotes><NumEscaped>0</NumEscaped><LaunchCoords>-79.65999190070923,23.73619147168514</LaunchCoords><AttackVessel>Raft</AttackVessel></Interceptor></dataroot> I hope someone can help understand how to proceed here. EDIT: in Lab 4 there was almost the same data to input - the only difference is that in lab6 it has no linebreaks whatsoever. here is my props.conf from lab4: [dreamcrusher] DATETIME_CONFIG = FIELD_HEADER_REGEX = <Interceptor> LINE_BREAKER = \<Interceptor\> MAX_DAYS_AGO = 4000 NO_BINARY_CHECK = true category = Custom disabled = false pulldown_type = true REPORT-actiondate = actiondate EVAL-_time = strptime(ActionDate +" " + ActionTime,"%Y-%m-%d %H:%M:%S") and my transforms.conf: #[actiondate] #REGEX = \<ActionDate\>(?P<ActionDate>\d+-\d+-\d+)\<\/ActionDate\>\s*\<ActionTime\>(?P<ActionTime>\d+:\d+:\d+) #FORMAT = $1::$2

avoelk · ‎12-08-2020

first: one minor change to the REGEX for the 404 status events: if you use REGEX = .*404.* it takes up events that have maybe a status 200 followed by 404 also. To prevent this you could use this REGEX instead: "\s404\s that way it only takes the first number after a quotation mark and a blank space also if you try to change the index AND the sourcetype for one input you might run into problems since splunk could potentially first address the new sourcetype and then try to send events into new indexes given the regex above. BUT when this happens they are already sourcetype=access_combined and not weblog anymore so it won't work or only one of those transforms. the solution is as follows: in props.conf your stanza shouldn't address the sourcetype "weblog" but rather the source from which your data originates. [source::access_combined_no_breaks.log] this way it doesn't matter what happens first with your data cause the source will always stay the same. hope this helps anyone who might run into the same problems. if so, pls consider thumbs up 🙂

avoelk · ‎12-08-2020

hi @richgalloway , thanks for your answer, that's exactly what I just figured out 🙂 thanks for your fast reply tho! if I wouldn't have tried this a minute ago this would've been my life saver. and you're right - I missread props.conf.spec . What could be used is BREAK_ONLY_BEFORE or MUST_BREAK_AFTER

avoelk · ‎12-08-2020

I think I found a solution already as provided here: Unable-to-break-Multi-line-event-into-single-event When using LINE_BREAKER = it is apparently mandatory to encase your regex with () otherwise it doesn't work. I didn't know that. What I used, and what worked was one of the Regex I posted above but like this: LINE_BREAKER = (\d{3}&&&)

avoelk · ‎12-08-2020

Hello fellow splunkers! atm I'm trying to break up a huge multiline event that is merged together with &&&. When I try to explicitly tell Splunk to BREAK_ONLY_AFTER = &&& it doesn't work. I also tried BREAK_ONLY_BEFORE = \d+.\d+.\d+.\d+\s-\s- and BREAK_ONLY_AFTER = \d{3}&&& it seems that nothing I try works. please help here is the source log: 141.146.8.66 - - [13/Jan/2016 21:03:09:200] "POST /category.screen?category_id=SURPRISE&JSESSIONID=SD1SL2FF5ADFF3 HTTP 1.1" 200 3496 "http://www.myflowershop.com/cart.do?action=view&itemId=EST-16&product_id=RP-SN-01" "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.38 Safari/533.4" 294&&&130.253.37.97 - - [13/Jan/2016 21:03:09:185] "GET /category.screen?category_id=BOUQUETS&JSESSIONID=SD7SL2FF1ADFF8 HTTP 1.1" 200 2320 "http://www.myflowershop.com/cart.do?action=changequantity&itemId=EST-12&product_id=AV-CB-01" "Opera/9.20 (Windows NT 6.0; U; en)" 361&&&141.146.8.66 - - [13/Jan/2016 21:03:09:167] "GET /product.screen?product_id=RP-LI-02&JSESSIONID=SD9SL9FF8ADFF1 HTTP 1.1" 200 3855 "http://www.myflowershop.com/cart.do?action=changequantity&itemId=EST-20&product_id=RP-LI-02" "Googlebot/2.1 ( http://www.googlebot.com/bot.html) " 929

avoelk · ‎12-07-2020

so this part worked perfectly : | eval _time= strptime(ActionDate +" " + ActionTime,"%Y-%m-%d %H:%M:%S") it exactly did what I was looking for. while in props.conf I can use the EVAL-_time = strptime(ActionDate +" " + ActionTime,"%Y-%m-%d %H:%M:%S") afterwards i've got my new _time values at search time. thanks a lot! For anyone who wants to know the whole config: props.conf: REPORT-extractions = extractions EVAL-_time = strptime(ActionDate +" " + ActionTime,"%Y-%m-%d %H:%M:%S") transforms.conf: [extractions] REGEX = \<ActionDate\>(?P<ActionDate>\d+-\d+-\d+)\<\/ActionDate\>\s*\<ActionTime\>(?P<ActionTime>\d+:\d+:\d+) FORMAT = $1::$2 Edit: one minor question that is left. Is there a way to tell splunk - given this new _time field we created - that it should use AM PM at the end?

avoelk · ‎11-12-2020

this is how my xml events look like: <AttackCoords>-80.33100097073213,25.10742916222947</AttackCoords> <Outcome>Interdiction</Outcome> <Infiltrators>23</Infiltrators> <Enforcer>Ironwood</Enforcer> <ActionDate>2013-04-24</ActionDate> <ActionTime>00:07:00</ActionTime> <RecordNotes></RecordNotes> <NumEscaped>0</NumEscaped> <LaunchCoords>-80.23429525620114,24.08680387475695</LaunchCoords> <AttackVessel>Rustic</AttackVessel> I didn't find a good explanation on how to do this. my painpoint is that I don't know how to glue the values from ActionDate and ActionTime together so I can generate a _time field out of it. so, what I have : <ActionDate>2013-04-24</ActionDate> <ActionTime>00:07:00</ActionTime> what I want: _time = 2013-04-24 00:07:00 I hope anyone can help

avoelk · ‎11-11-2020

yeah well I guess I have the solution again... *facepalm*. I've made an field extraction via splunk gui - settings - fields - field extraction and looked at the output. there it said the name of the extraction was EXTRACT-src_ip,bits,tcp_state so using this in my props.conf instead of only -fields made it work.... gosh. hope this helps anyone who comes across this little problem.

avoelk · ‎11-11-2020

I've been trying to extract fields from a log at search time with only the help of props.conf. in the spunk docu I read that EXTRACT would be good in that case, especially cause I try to extract multiple fields at once. this is my EXTRACT in props.conf so far: EXTRACT-fields = (?P<src_ip>\d*\.\d*\.\d*\.\d*)(?=\ \d* TCP_)\s(?P<bits>\d*)\s(?P<tcp_state>\w*_\w*)\s this would go on for a while with different fields but it doesn't work. what do I do wrong? this is how the log looks like for example: 2014-03-27 12:39:32 20 10.71.15.207 304 TCP_HIT 367 1470 GET http www.computerworld.com 80 /elqNow/elqFCS.js - - - - 23.196.74.53 application/x-javascript http://www.computerworld.com/s/article/9247206/Gameover_malware_takes_aim_at_Monster.com_and_CareerBuilder.com "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)" OBSERVED "Technology/Internet" - 163.252.254.201 23.44.202.53 52809 Thanks a lot for any help!

avoelk · ‎11-10-2020

I got my solution tha works: so first, when I want to capture a specific IP out of many I need my positive Lookahead with (?=\...) so the src_ip regex is therefore: (?P<src_ip>\d*\.\d*\.\d*\.\d*)(?=\ \d* TCP_) this makes sure that I capture the ip which has some numbers after a blank and then a TCP_ after another blank space. to capture many different groups I just had to account for the blank spaces between the different values with \s and then start with my capture group again. : (?P<src_ip>\d*\.\d*\.\d*\.\d*)(?=\ \d* TCP_)\s(?P<bits>\d*)\s(?P<tcp_state>\w*_\w*)

avoelk · ‎11-09-2020

I'm trying to extract multiple fields out of my log. my problem is that I do have multiplie ip adresses - one for the source, one from the webserver etc. so to counter having extracted four ip adresses in every event into the same field I want to use a positive lookahead to tell the regex "yes this ip but only if afterwards there comes x and y" this is an example log: 2014-03-27 23:54:58 1 10.5.6.121 304 TCP_HIT 422 501 GET http assets.razerzone.com 80 /eeimages/products/13785/razer-naga-2014-right-03.png - - - - 54.230.18.168 image/png http://imgur.com/gallery/u3o7l "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Iron/31.0.1700.0 Chrome/31.0.1700.0 Safari/537.36" OBSERVED "Technology/Internet;Shopping" - 163.252.254.203 - 54351 2014-03-28 23:54:59 90670 10.62.0.120 200 TCP_NC_MISS 601 693 GET http realtime.services.disqus.com 80 /api/2/thread/2221828111 ?bust=1780 - - - realtime.services.disqus.com application/json http://disqus.com/embed/comments/?base=default&disqus_version=6c05c0ca&f=bootsnipp&t_i=9WgD&t_u=http%3A%2F%2Fbootsnipp.com%2Fsnippets%2Ffeatured%2Fminimal-preview-thumbnails&t_d=Viewing%20snippet%20Minimal%20Preview%20Thumbnails%20%7C%20Bootsnipp.com&t_t=Viewing%20snippet%20Minimal%20Preview%20Thumbnails%20%7C%20Bootsnipp.com&s_o=default "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.154 Safari/537.36" OBSERVED "Newsgroups/Forums" - 163.252.254.203 184.173.90.195 52401 here I want for example extract the source_ip (the first ip in the event) like this: (\d+\.\d+\.\d+\.\d+)[[:blank:]](?=\d*) still this gives me many other ips... so I think I have to use multiple lookaheads? but I really don't know how to use it in that case. Especially when I want to extract the ip and give it a field name. In my head this means that I have to encapsulate EVERYTHING including the lookaheads ? thanks a lot for your help!

avoelk · ‎11-09-2020

I have the solution. first I've changed up my regex and deleted the SOURCE_KEY in transforms.conf: [changehost] DEST_KEY = MetaData:Host REGEX = [\d\w\s]{7}.[\d\w\s]{3}.\w*.\w*(?=\sASM) FORMAT = host::$1 this regex is more clear in what it should do and matched the value perfectly. Given the documentation here: https://docs.splunk.com/Documentation/Splunk/8.0.6/Data/Overridedefaulthostassignments I don't need a SOURCE_KEY and the FORMAT should be host::$1 . $1 is refering to the regex while host tells the FORMAT to put the value into the host field. (If this explanation is off - please correct me). Still I had a little problem. when trying to input the data the hostvalue was suddenly $1 not the value I tried to extract. the reason was that I forgot to encapsulate my regex in () so it'll become a capture group. so the new regex was : ([\d\w\s]{7}.[\d\w\s]{3}.\w*.\w*)(?=\sASM) and it worked like a charm. Also, since my value was right before the characters ASM I used a positive lookahead (?=\sASM)

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