[snapshot] Create minimal detection_rules package

packages/detection_rules/0.0.1-dev.1/docs/README.md

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+# Detection rules
+
+The detection rules package is a non-integration package to store all of the rules and dependencies (e.g. ML jobs) for the detection engine within the Elastic Security application.
+

packages/detection_rules/0.0.1-dev.1/kibana/rules/CHANGELOG.json

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+{
+  "ce64d965-6cb0-466d-b74f-8d2c76f47f05": {
+    "1": ["Created \"New ActiveSyncAllowedDeviceID Added via PowerShell\" rule to detect new ActiveSync devices registered via PowerShell."],
+  },
+  "a9cb3641-ff4b-4cdc-a063-b4b8d02a67c7": {
+    "1": ["Created \"IPSEC NAT Traversal Port Activity\" rule to detect IPSEC activity that traverses a NAT"],
+    "2": ["Added dataset to network rules"],
+    "3": ["Remove rule timelines"],
+    "4": ["Add Threat Detection Category"],
+    "5": ["Remove deprecated ATT&CK technique"]
+  }
+}

packages/detection_rules/0.0.1-dev.1/kibana/rules/rule-a9cb3641-ff4b-4cdc-a063-b4b8d02a67c7.json

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+{
+  "author": [
+    "Elastic"
+  ],
+  "description": "This rule detects events that could be describing IPSEC NAT Traversal traffic. IPSEC is a VPN technology that allows one system to talk to another using encrypted tunnels. NAT Traversal enables these tunnels to communicate over the Internet where one of the sides is behind a NAT router gateway. This may be common on your network, but this technique is also used by threat actors to avoid detection.",
+  "false_positives": [
+    "Some networks may utilize these protocols but usage that is unfamiliar to local network administrators can be unexpected and suspicious. Because this port is in the ephemeral range, this rule may false under certain conditions, such as when an application server with a public IP address replies to a client which has used a UDP port in the range by coincidence. This is uncommon but such servers can be excluded."
+  ],
+  "index": [
+    "filebeat-*",
+    "packetbeat-*",
+    "logs-endpoint.events.*"
+  ],
+  "language": "kuery",
+  "license": "Elastic License",
+  "name": "IPSEC NAT Traversal Port Activity",
+  "query": "event.category:(network or network_traffic) and network.transport:udp and destination.port:4500",
+  "risk_score": 21,
+  "rule_id": "a9cb3641-ff4b-4cdc-a063-b4b8d02a67c7",
+  "severity": "low",
+  "tags": [
+    "Elastic",
+    "Host",
+    "Network",
+    "Threat Detection",
+    "Command and Control"
+  ],
+  "threat": [
+    {
+      "framework": "MITRE ATT&CK",
+      "tactic": {
+        "id": "TA0011",
+        "name": "Command and Control",
+        "reference": "https://attack.mitre.org/tactics/TA0011/"
+      },
+      "technique": []
+    }
+  ],
+  "type": "query",
+  "version": 5
+}

packages/detection_rules/0.0.1-dev.1/kibana/rules/rule-ce64d965-6cb0-466d-b74f-8d2c76f47f05.json

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+{
+  "author": [
+    "Elastic"
+  ],
+  "description": "Identifies the use of the Exchange PowerShell cmdlet, Set-CASMailbox, to add a new ActiveSync allowed device. Adversaries may target user email to collect sensitive information.",
+  "false_positives": [
+    "Legitimate exchange system administration activity."
+  ],
+  "index": [
+    "logs-endpoint.events.*",
+    "winlogbeat-*"
+  ],
+  "language": "eql",
+  "license": "Elastic License",
+  "name": "New ActiveSyncAllowedDeviceID Added via PowerShell",
+  "query": "process where event.type in (\"start\", \"process_started\") and\n  process.name: (\"powershell.exe\", \"pwsh.exe\") and process.args : \"Set-CASMailbox*ActiveSyncAllowedDeviceIDs*\"\n",
+  "references": [
+    "https://www.volexity.com/blog/2020/12/14/dark-halo-leverages-solarwinds-compromise-to-breach-organizations/",
+    "https://docs.microsoft.com/en-us/powershell/module/exchange/set-casmailbox?view=exchange-ps"
+  ],
+  "risk_score": 47,
+  "rule_id": "ce64d965-6cb0-466d-b74f-8d2c76f47f05",
+  "severity": "medium",
+  "tags": [
+    "Elastic",
+    "Host",
+    "Windows",
+    "Threat Detection",
+    "Collection"
+  ],
+  "threat": [
+    {
+      "framework": "MITRE ATT&CK",
+      "tactic": {
+        "id": "TA0009",
+        "name": "Collection",
+        "reference": "https://attack.mitre.org/tactics/TA0009/"
+      },
+      "technique": [
+        {
+          "id": "T1114",
+          "name": "Email Collection",
+          "reference": "https://attack.mitre.org/techniques/T1114/"
+        }
+      ]
+    }
+  ],
+  "type": "eql",
+  "version": 1
+}

packages/detection_rules/0.0.1-dev.1/manifest.yml

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+format_version: 1.0.0
+name: detection_rules
+title: Detection rules
+version: 0.0.1-dev.1
+license: basic
+description: Rules for the detection engine in the Security application.
+type: rules
+categories:
+  - security
+release: experimental
+conditions:
+  kibana.version: '^7.12.0'
+screenshots: []
+icons: []
+policy_templates: []
+owner:
+  github: elastic/protections