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Add auditd logging to platform for intrusion detection #314
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6dd766b
WIP add auditd to monitoring package
rcrichton 145f1ab
Merge remote-tracking branch 'origin/main' into auditd-logging
rcrichton 443df2f
Improve audit dashboard, add ability to filter by node
rcrichton a0e6849
Merge remote-tracking branch 'origin/main' into auditd-logging
rcrichton 5cdaae0
Fix audit dashboard to display data from multiple nodes
rcrichton 2bbc9bd
Fix deprecated ansible functions
rcrichton 18042fe
Merge branch 'main' into auditd-logging
rcrichton 4d63774
Update ansible readme with important missing details
rcrichton File filter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -4,3 +4,4 @@ | |
| - common | ||
| - docker | ||
| - ufw | ||
| - auditd | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| --- | ||
| - name: "install auditd" | ||
| apt: | ||
| name: auditd | ||
| state: latest | ||
|
|
||
| - name: "fetch best practice Auditd config" | ||
| get_url: | ||
| url: https://raw.githubusercontent.com/Neo23x0/auditd/master/audit.rules | ||
| dest: /etc/audit/rules.d/audit.rules | ||
|
|
||
| - name: Ensure name_format is set to HOSTNAME | ||
| lineinfile: | ||
| path: /etc/audit/auditd.conf | ||
| regexp: '^name_format\s*=' | ||
| line: "name_format = HOSTNAME" | ||
| state: present | ||
|
|
||
| - name: "restart auditd service" | ||
| ansible.builtin.service: | ||
| name: auditd | ||
| state: restarted | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| --- | ||
| - include: reload_ufw.yml | ||
| - include: reload_docker.yml | ||
| - include: restart_docker.yml | ||
| - import_tasks: reload_ufw.yml | ||
| - import_tasks: reload_docker.yml | ||
| - import_tasks: restart_docker.yml |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,277 @@ | ||
| { | ||
| "annotations": { | ||
| "list": [ | ||
| { | ||
| "builtIn": 1, | ||
| "datasource": { | ||
| "type": "grafana", | ||
| "uid": "-- Grafana --" | ||
| }, | ||
| "enable": true, | ||
| "hide": true, | ||
| "iconColor": "rgba(0, 211, 255, 1)", | ||
| "name": "Annotations & Alerts", | ||
| "target": { | ||
| "limit": 100, | ||
| "matchAny": false, | ||
| "tags": [], | ||
| "type": "dashboard" | ||
| }, | ||
| "type": "dashboard" | ||
| } | ||
| ] | ||
| }, | ||
| "editable": true, | ||
| "fiscalYearStartMonth": 0, | ||
| "graphTooltip": 0, | ||
| "links": [], | ||
| "liveNow": false, | ||
| "panels": [ | ||
| { | ||
| "datasource": { | ||
| "type": "datasource", | ||
| "uid": "grafana" | ||
| }, | ||
| "gridPos": { | ||
| "h": 4, | ||
| "w": 24, | ||
| "x": 0, | ||
| "y": 0 | ||
| }, | ||
| "id": 6, | ||
| "options": { | ||
| "code": { | ||
| "language": "plaintext", | ||
| "showLineNumbers": false, | ||
| "showMiniMap": false | ||
| }, | ||
| "content": "# Notes\n\n* Some `proctitles` are hex encoded due to the posibility of special chars. Use a hex to ascii decoder to view these.\n* Multiple lines might refer to the same event, in that case the audit identifier (i.e. `msg=audit(...:...)`) will be the same. Use the find input to easily see all line for an event by searching for this audit identifier.", | ||
| "mode": "markdown" | ||
| }, | ||
| "pluginVersion": "9.2.3", | ||
| "title": "Notes", | ||
| "type": "text" | ||
| }, | ||
| { | ||
| "datasource": { | ||
| "type": "loki", | ||
| "uid": "P00201832B18B88C3" | ||
| }, | ||
| "fieldConfig": { | ||
| "defaults": { | ||
| "custom": { | ||
| "hideFrom": { | ||
| "legend": false, | ||
| "tooltip": false, | ||
| "viz": false | ||
| }, | ||
| "scaleDistribution": { | ||
| "type": "linear" | ||
| } | ||
| } | ||
| }, | ||
| "overrides": [] | ||
| }, | ||
| "gridPos": { | ||
| "h": 6, | ||
| "w": 24, | ||
| "x": 0, | ||
| "y": 4 | ||
| }, | ||
| "id": 3, | ||
| "options": { | ||
| "calculate": false, | ||
| "cellGap": 1, | ||
| "color": { | ||
| "exponent": 0.5, | ||
| "fill": "dark-orange", | ||
| "mode": "scheme", | ||
| "reverse": true, | ||
| "scale": "exponential", | ||
| "scheme": "Oranges", | ||
| "steps": 64 | ||
| }, | ||
| "exemplars": { | ||
| "color": "rgba(255,0,255,0.7)" | ||
| }, | ||
| "filterValues": { | ||
| "le": 1e-9 | ||
| }, | ||
| "legend": { | ||
| "show": true | ||
| }, | ||
| "rowsFrame": { | ||
| "layout": "auto" | ||
| }, | ||
| "tooltip": { | ||
| "show": true, | ||
| "yHistogram": false | ||
| }, | ||
| "yAxis": { | ||
| "axisPlacement": "left", | ||
| "reverse": false | ||
| } | ||
| }, | ||
| "pluginVersion": "9.2.3", | ||
| "targets": [ | ||
| { | ||
| "datasource": { | ||
| "type": "loki", | ||
| "uid": "P00201832B18B88C3" | ||
| }, | ||
| "editorMode": "builder", | ||
| "expr": "sum(count_over_time({label=~\"T1219.*|recon|.*susp.*\", node=~\"$node\"} |= `$query` [$__interval]))", | ||
| "queryType": "range", | ||
| "refId": "A" | ||
| } | ||
| ], | ||
| "title": "Suspicious activity", | ||
| "type": "heatmap" | ||
| }, | ||
| { | ||
| "datasource": { | ||
| "type": "loki", | ||
| "uid": "P00201832B18B88C3" | ||
| }, | ||
| "description": "Filter for security auditlogs that that are potentially suspicious.", | ||
| "gridPos": { | ||
| "h": 17, | ||
| "w": 24, | ||
| "x": 0, | ||
| "y": 10 | ||
| }, | ||
| "id": 1, | ||
| "options": { | ||
| "dedupStrategy": "none", | ||
| "enableLogDetails": true, | ||
| "prettifyLogMessage": false, | ||
| "showCommonLabels": false, | ||
| "showLabels": false, | ||
| "showTime": true, | ||
| "sortOrder": "Descending", | ||
| "wrapLogMessage": true | ||
| }, | ||
| "targets": [ | ||
| { | ||
| "datasource": { | ||
| "type": "loki", | ||
| "uid": "P00201832B18B88C3" | ||
| }, | ||
| "editorMode": "builder", | ||
| "expr": "{job=\"auditlogs\", label=~\"T1219.*|recon|.*susp.*\", node=~\"$node\"} |= `$query`", | ||
| "key": "Q-9181c263-cf75-42fe-bf50-036eeff7207a-0", | ||
| "queryType": "range", | ||
| "refId": "A" | ||
| } | ||
| ], | ||
| "title": "Suspicious activity", | ||
| "type": "logs" | ||
| }, | ||
| { | ||
| "datasource": { | ||
| "type": "loki", | ||
| "uid": "P00201832B18B88C3" | ||
| }, | ||
| "description": "All captured logs from auditd", | ||
| "gridPos": { | ||
| "h": 17, | ||
| "w": 24, | ||
| "x": 0, | ||
| "y": 27 | ||
| }, | ||
| "id": 4, | ||
| "options": { | ||
| "dedupStrategy": "none", | ||
| "enableLogDetails": true, | ||
| "prettifyLogMessage": false, | ||
| "showCommonLabels": false, | ||
| "showLabels": false, | ||
| "showTime": true, | ||
| "sortOrder": "Descending", | ||
| "wrapLogMessage": true | ||
| }, | ||
| "targets": [ | ||
| { | ||
| "datasource": { | ||
| "type": "loki", | ||
| "uid": "P00201832B18B88C3" | ||
| }, | ||
| "editorMode": "builder", | ||
| "expr": "{job=\"auditlogs\", node=~\"$node\"} |= `$query`", | ||
| "key": "Q-9181c263-cf75-42fe-bf50-036eeff7207a-0", | ||
| "queryType": "range", | ||
| "refId": "A" | ||
| } | ||
| ], | ||
| "title": "All audit logs", | ||
| "type": "logs" | ||
| } | ||
| ], | ||
| "refresh": false, | ||
| "schemaVersion": 37, | ||
| "style": "dark", | ||
| "tags": [], | ||
| "templating": { | ||
| "list": [ | ||
| { | ||
| "current": { | ||
| "selected": false, | ||
| "text": "", | ||
| "value": "" | ||
| }, | ||
| "hide": 0, | ||
| "label": "Find", | ||
| "name": "query", | ||
| "options": [ | ||
| { | ||
| "selected": true, | ||
| "text": "", | ||
| "value": "" | ||
| } | ||
| ], | ||
| "query": "", | ||
| "skipUrlSync": false, | ||
| "type": "textbox" | ||
| }, | ||
| { | ||
| "current": { | ||
| "selected": true, | ||
| "text": ["All"], | ||
| "value": ["$__all"] | ||
| }, | ||
| "datasource": { | ||
| "type": "loki", | ||
| "uid": "P00201832B18B88C3" | ||
| }, | ||
| "definition": "", | ||
| "hide": 0, | ||
| "includeAll": true, | ||
| "label": "Hostname", | ||
| "multi": true, | ||
| "name": "node", | ||
| "options": [], | ||
| "query": { | ||
| "label": "node", | ||
| "refId": "LokiVariableQueryEditor-VariableQuery", | ||
| "stream": "", | ||
| "type": 1 | ||
| }, | ||
| "refresh": 1, | ||
| "regex": "", | ||
| "skipUrlSync": false, | ||
| "sort": 0, | ||
| "type": "query" | ||
| } | ||
| ] | ||
| }, | ||
| "time": { | ||
| "from": "now-15m", | ||
| "to": "now" | ||
| }, | ||
| "timepicker": {}, | ||
| "timezone": "", | ||
| "title": "Audit logs", | ||
| "uid": "1KG6epL4z", | ||
| "version": 1, | ||
| "weekStart": "" | ||
| } |
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