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39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
# Output backends for sigmac
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# Copyright 2018 Paul Dutot
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import re
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from .base import SingleTextQueryBackend
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class GraylogQuerystringBackend(SingleTextQueryBackend):
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"""Converts Sigma rule into Graylog query string. Only searches, no aggregations."""
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identifier = "graylog"
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active = True
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config_required = False
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reEscape = re.compile("([+\\-!(){}\\[\\]^\"~:/]|(?<!\\\\)\\\\(?![*?\\\\])|&&|\\|\\|)")
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reClear = None
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andToken = " AND "
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orToken = " OR "
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notToken = "NOT "
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subExpression = "(%s)"
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listExpression = "(%s)"
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listSeparator = " "
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valueExpression = "\"%s\""
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nullExpression = "NOT _exists_:%s"
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notNullExpression = "_exists_:%s"
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mapExpression = "%s:%s"
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mapListsSpecialHandling = False
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