committing changes in /etc made by "-bash"
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@@ -0,0 +1,93 @@
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#Apache access/errors logs
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#debug: true
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filter: "evt.Parsed.program startsWith 'apache2'"
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onsuccess: next_stage
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name: crowdsecurity/apache2-logs
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description: "Parse Apache2 access and error logs"
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#log line can be prefixed by a target_fqdn
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nodes:
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- grok:
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pattern: '(%{IPORHOST:target_fqdn}(:%{INT:port})? )?%{COMMONAPACHELOG}( "%{NOTDQUOTE:referrer}" "%{NOTDQUOTE:http_user_agent}")?'
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apply_on: message
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# these ones apply for both grok patterns
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statics:
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- meta: log_type
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value: http_access-log
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- target: evt.StrTime
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expression: evt.Parsed.timestamp
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- meta: service
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value: http
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- meta: source_ip
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expression: evt.Parsed.clientip
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- meta: http_status
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expression: evt.Parsed.response
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- meta: http_path
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expression: evt.Parsed.request
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- meta: http_verb
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expression: "evt.Parsed.verb"
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- meta: http_user_agent
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expression: "evt.Parsed.http_user_agent"
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- meta: target_fqdn
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expression: "evt.Parsed.target_fqdn"
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onsuccess: next_stage
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- grok:
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pattern: '%{HTTPD_ERRORLOG}'
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apply_on: message
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onsuccess: next_stage
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pattern_syntax:
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NOT_DOUBLE_POINT: '[^:]+'
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NOT_DOUBLE_QUOTE: '[^"]+'
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nodes:
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- filter: "evt.Parsed.module == 'auth_basic'"
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onsuccess: next_stage
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pattern_syntax:
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EXTRACT_USER_AND_PATH: 'user %{NOT_DOUBLE_POINT:username}: authentication failure for "%{NOT_DOUBLE_QUOTE:target_uri}": Password Mismatch'
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EXTRACT_USER_AND_PATH2: 'user %{NOT_DOUBLE_POINT:username} not found: "?%{NOT_DOUBLE_QUOTE:target_uri}"?'
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grok:
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pattern: '%{EXTRACT_USER_AND_PATH}|%{EXTRACT_USER_AND_PATH2}'
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apply_on: message
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# these ones apply for both grok patterns
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statics:
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- meta: username
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expression: evt.Parsed.username
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- meta: http_path
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expression: evt.Parsed.target_uri
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- meta: sub_type
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value: "auth_fail"
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- filter: "evt.Parsed.module == 'core' && evt.Parsed.message contains 'Invalid URI'"
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onsuccess: next_stage
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pattern_syntax:
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EXTRACT_URIVERB: 'Invalid URI in request %{WORD:verb} %{NOTSPACE:request}(?: HTTP/%{NUMBER:httpversion})'
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grok:
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pattern: '%{EXTRACT_URIVERB}'
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apply_on: message
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statics:
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- meta: http_path
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expression: evt.Parsed.request
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- meta: sub_type
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value: "invalid_uri"
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- filter: "evt.Parsed.module == 'authz_core' && evt.Parsed.message contains 'client denied'"
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onsuccess: next_stage
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pattern_syntax:
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EXTRACT_PATH: 'client denied by server configuration: %{GREEDYDATA:target_uri}'
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grok:
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pattern: '%{EXTRACT_PATH}'
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apply_on: message
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statics:
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- meta: http_path
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expression: evt.Parsed.target_uri
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- meta: sub_type
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value: "permission_denied"
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statics:
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- meta: log_type
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value: http_error-log
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- target: evt.StrTime
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expression: evt.Parsed.timestamp
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- meta: service
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value: http
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- meta: source_ip
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expression: evt.Parsed.client
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- meta: http_status
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expression: evt.Parsed.response
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