6215a694a8
Remove escaping from '\\*' in es-dsl backend
2019-02-02 23:51:11 +01:00
8a0784ad33
Fixed escaping of \\*
2019-02-02 00:18:58 +01:00
aa37ef2559
extending the qradar backend to allow for timeframe query
2019-01-11 03:33:49 +00:00
73b0c3a25b
Fixed wildcard issue for es-dsl backend
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Moved field mapping code into mixin shared by es-qs and es-dsl.
2018-12-21 14:10:45 +01:00
ffd43823cf
Fixed wildcard issue in es-qs backend and depending
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See GitHub issue #194 . Fix for es-dsl is pending.
2018-12-19 00:33:12 +01:00
4175d0cdd5
Fixed config and added index field
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* Added index field _index to backend implementation
* Fixed index values in config
2018-12-10 22:37:39 +01:00
1f707cb37c
Adding Sumologic backend
2018-12-09 17:55:51 -05:00
2091c90538
Fixed ElastAlert *_key options
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* Always use .keyword field instead of analyzed one
* Fixed 'null' value if group field was not set
2018-12-09 22:33:23 +01:00
246ad7c59a
Revert "Fixed wildcards in es-qs backend"
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This reverts commit 49d464f979#194 broke the generation of many other rules,
see #203 .
2018-12-05 09:07:07 +01:00
f9d9d653dc
Merge pull request #199 from sisecbe/patch-1
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Distinct count in aggragation function
2018-12-04 23:42:16 +01:00
2bf0170956
Merge pull request #202 from tuckner/master
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Fixed backslash escape
2018-12-03 22:22:53 +01:00
2c5c92ab0a
fixed backslash escape
2018-12-03 15:09:29 -06:00
50c74b94bc
add elastalert backend support
2018-11-23 20:39:15 +01:00
c848c473a3
Error when empty fields attribute
2018-11-23 15:37:42 +01:00
31eae25756
Indentation error
2018-11-23 15:20:17 +01:00
e43909678e
Added the fields attribute parser
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Make a table with the fields present in the fields attribute
2018-11-23 15:11:12 +01:00
c2eb87133d
Distinct count in aggragation function
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Added dc() instead of count() when group-by field is present. Because count() doesn't do a distinct count in Splunk. Must be the dc() function instead.
2018-11-23 15:04:08 +01:00
aa1a953a65
Moved node dumping code to generic location
2018-11-21 23:22:38 +01:00
26d888aec3
Removed "not null" handling code
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Feature was removed some time ago.
2018-11-21 22:56:48 +01:00
9e28669c33
Backend es-qs return quotes on empty or whitespace-only string
2018-11-21 22:29:12 +01:00
49d464f979
Fixed wildcards in es-qs backend
2018-11-20 23:23:54 +01:00
396a030ed1
Removed duplicate code
2018-11-07 22:52:12 +01:00
116a0e9f03
Merge branch 'master' of https://github.com/tuckner/sigma into tuckner-master
2018-11-07 22:27:41 +01:00
5053cc4e95
Fixed optimizing of not conditions with subexpressions
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Optimization pass traversal is cut at ConditionNOT nodes.
2018-11-07 13:54:45 +01:00
a88b1e81ec
Optimizer debugging code cleanup
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* Removed commented debugging code
* Output to stdin
* Coverage exception for _dumpNode
2018-11-07 13:49:08 +01:00
ca6ba4a85b
Added NetWitness backend and tests
2018-10-31 14:24:14 -05:00
26f73d60fa
Added NetWitness backend and tests
2018-10-31 14:07:59 -05:00
eacfaa7460
Check for forbidden null values in list items in Splunk backend
2018-10-27 01:07:03 +02:00
0cc8b77307
Merge branch 'master' of https://github.com/pivotforensics/sigma into pivotforensics-master
2018-10-18 15:56:26 +02:00
e501c4a5b9
Added additional output type 'json' to the xpack-watcher backend which prints each watcher as compress json, one watcher per line
2018-10-17 10:38:56 +02:00
5b33713ef8
Quick fix for string formatting bug
2018-10-13 20:21:37 -05:00
38ec257f7e
Re-doing LogName formatting
2018-10-13 20:18:57 -05:00
9f48265eb1
Adding re.sub for LogName that accounts for expression grouping
2018-10-13 20:09:54 -05:00
aabaa0257b
Merge branch 'master' of https://github.com/Neo23x0/sigma
2018-10-06 20:12:15 -05:00
4b85a34b34
Added CSV option to powershell backend
2018-10-06 20:08:20 -05:00
fc45df144c
Improve the comments on the optimizer
2018-10-03 13:44:03 +02:00
87aa1b5521
Move optimizer to sigma.parser.condition to enable it for all backends
2018-10-03 00:24:31 +02:00
cd3661b60c
Fix optimization of NOT corner cases
2018-10-02 22:48:33 +02:00
bed88cf813
Make uniq work for lists within definitions
2018-10-02 22:12:54 +02:00
7165128fa5
Remove None from AST - fixes None-related test failures
2018-10-02 21:44:37 +02:00
2242fc5ac8
Optimize the boolean expressions in the AST before generating output
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Add code optimizing the boolean expressions in the abstract syntax tree
before generating output using the backend.
The main idea behind optimizing the AST is that less repeated terms is
generally better for backend performance. This is especially relevant
to backends that do not perform any query language optimization down
the road, such as those that generate code.
The following optimizations are currently performed:
- Removal of empty OR(), AND()
- OR(X), AND(X) => X
- OR(X, X, ...), AND(X, X, ...) => OR(X, ...), AND(X, ...)
- OR(X, OR(Y)) => OR(X, Y)
- OR(AND(X, ...), AND(X, ...)) => AND(X, OR(AND(...), AND(...)))
- NOT(NOT(X)) => X
A common example for when these suboptimal rules actually occur in
practice is when a rule has multiple alternative detections that are
OR'ed together in the condition, and all of the detections include a
common element, such as the same EventID.
This implementation is not optimized for performance and will perform
poorly on very large expressions.
2018-10-02 21:14:25 +02:00
468af42de5
Add missing event id list handling in PowerShell backend
2018-09-29 14:43:28 +02:00
c289484c5c
Improve default field handling in PowerShell backend
2018-09-29 12:29:44 +02:00
c66b00356d
Add initial version of PowerShell backend
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* Add PowerShell backend
* Add PowerShell config file
State: Work in progress :)
See https://github.com/Neo23x0/sigma/issues/94
2018-09-23 21:41:48 +02:00
f3c60a6309
Added tag filtering to sigmac
2018-09-06 00:57:54 +02:00
7f875af1ca
Fixed WDATP backend
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It never generated any output due to missing return in generate()
method.
2018-09-06 00:31:40 +02:00
29bed766dd
removed re-introduced output class from qradar backend. fixed list handling error.
2018-08-21 22:45:12 -07:00
468f040c0a
Merge branch 'qradar-dev'
2018-08-20 21:54:30 -07:00
9a61f40cef
added support flor flow data in qradar backend
2018-08-16 21:44:17 -07:00
a8d1831382
Added aggregation support for qradar backend
2018-08-13 23:04:10 -07:00
Thomas Patzke