Cherry-pick #3750 to 5.x: Add fileset for parsing linux auditd logs #3975
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… (elastic#3941) (elastic#3962) The PR adds an auditd module for parsing logs from the auditd daemon. There is a sample dashboard for viewing this data. Features - Parses audit event type, unix epoch time, audit event counter, and the arbitrary key/value pairs that follow. - Applies geoip lookup to the `auditd.log.addr` field which is present for some remote login events. - Decodes hex encoded ascii values that are sometimes used for the `auditd.log.exe` and `auditd.log.cmd` fields. - Remove key/value pairs where the value is `?`. Missing Features - Decoder for `auditd.log.saddr` field present in SOCKADDR audit events. A recipe is described [here](https://unix.stackexchange.com/questions/102926/how-to-interpret-the-saddr-field-of-an-audit-log) and could probably be ported to painless. Sample value: `type=SOCKADDR msg=audit(1481078693.491:873): saddr=01002F7661722F72756E2F6E7363642F736F636B657400008983B330BE7F0000000000000000000070830130BE7F000004000000000000001B00000000000000D128B7ED000000008B8BB330BE7F00003B00000000000000403E4BF7FD7F0000447F0130BE7F000080150230BE7F`
andrewkroh
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Cherry-pick of PR #3750 to 5.x branch. Original message:
Add fileset for parsing linux auditd logs (#3750) (#3923) (#3941) (#3962)
The PR adds an auditd module for parsing logs from the auditd daemon. There is a sample dashboard for viewing this data.
Features
auditd.log.addrfield which is present for some remote login events.auditd.log.exeandauditd.log.cmdfields.?.Missing Features
auditd.log.saddrfield present in SOCKADDR audit events. A recipe is described here and could probably be ported to painless. Sample value:type=SOCKADDR msg=audit(1481078693.491:873): saddr=01002F7661722F72756E2F6E7363642F736F636B657400008983B330BE7F0000000000000000000070830130BE7F000004000000000000001B00000000000000D128B7ED000000008B8BB330BE7F00003B00000000000000403E4BF7FD7F0000447F0130BE7F000080150230BE7FContains commits: