Microsoft Sentinel Analytic Rules
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Squid proxy events related to mining pools

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Id80733eb7-35b2-45b6-b2b8-3c51df258206
RulenameSquid proxy events related to mining pools
DescriptionChecks for Squid proxy events in Syslog associated with common mining pools .This query presumes the default Squid log format is being used.

http://www.squid-cache.org/Doc/config/access_log/
SeverityLow
TacticsCommandAndControl
TechniquesT1102
Required data connectorsSyslog
KindScheduled
Query frequency1d
Query period1d
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Syslog/Analytic Rules/squid_cryptomining_pools.yaml
Version1.0.0
Arm template80733eb7-35b2-45b6-b2b8-3c51df258206.json
Deploy To Azure

let DomainList = dynamic(["monerohash.com", "do-dear.com", "xmrminerpro.com", "secumine.net", "xmrpool.com", "minexmr.org", "hashanywhere.com", "xmrget.com", 
"mininglottery.eu", "minergate.com", "moriaxmr.com", "multipooler.com", "moneropools.com", "xmrpool.eu", "coolmining.club", "supportxmr.com",
"minexmr.com", "hashvault.pro", "xmrpool.net", "crypto-pool.fr", "xmr.pt", "miner.rocks", "walpool.com", "herominers.com", "gntl.co.uk", "semipool.com", 
"coinfoundry.org", "cryptoknight.cc", "fairhash.org", "baikalmine.com", "tubepool.xyz", "fairpool.xyz", "asiapool.io", "coinpoolit.webhop.me", "nanopool.org", 
"moneropool.com", "miner.center", "prohash.net", "poolto.be", "cryptoescrow.eu", "monerominers.net", "cryptonotepool.org", "extrmepool.org", "webcoin.me", 
"kippo.eu", "hashinvest.ws", "monero.farm", "supportxmr.com", "xmrpool.eu", "linux-repository-updates.com", "1gh.com", "dwarfpool.com", "hash-to-coins.com", 
"hashvault.pro", "pool-proxy.com", "hashfor.cash", "fairpool.cloud", "litecoinpool.org", "mineshaft.ml", "abcxyz.stream", "moneropool.ru", "cryptonotepool.org.uk",
"extremepool.org", "extremehash.com", "hashinvest.net", "unipool.pro", "crypto-pools.org", "monero.net", "backup-pool.com", "mooo.com", "freeyy.me", "cryptonight.net",
"shscrypto.net"]);
Syslog
| where ProcessName contains "squid"
| extend URL = extract("(([A-Z]+ [a-z]{4,5}:\\/\\/)|[A-Z]+ )([^ :]*)",3,SyslogMessage), 
        SourceIP = extract("([0-9]+ )(([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3}))",2,SyslogMessage), 
        Status = extract("(TCP_(([A-Z]+)(_[A-Z]+)*)|UDP_(([A-Z]+)(_[A-Z]+)*))",1,SyslogMessage), 
        HTTP_Status_Code = extract("(TCP_(([A-Z]+)(_[A-Z]+)*)|UDP_(([A-Z]+)(_[A-Z]+)*))/([0-9]{3})",8,SyslogMessage),
        User = extract("(CONNECT |GET )([^ ]* )([^ ]+)",3,SyslogMessage),
        RemotePort = extract("(CONNECT |GET )([^ ]*)(:)([0-9]*)",4,SyslogMessage),
        Domain = extract("(([A-Z]+ [a-z]{4,5}:\\/\\/)|[A-Z]+ )([^ :\\/]*)",3,SyslogMessage),
        Bytes = toint(extract("([A-Z]+\\/[0-9]{3} )([0-9]+)",2,SyslogMessage)),
        contentType = extract("([a-z/]+$)",1,SyslogMessage)
| extend TLD = extract("\\.[a-z]*$",0,Domain)
| where HTTP_Status_Code == '200'
| where Domain contains "."
| where Domain has_any (DomainList)
| extend timestamp = TimeGenerated, URLCustomEntity = URL, IPCustomEntity = SourceIP, AccountCustomEntity = User

tactics:
- CommandAndControl
severity: Low
requiredDataConnectors:
- connectorId: Syslog
  dataTypes:
  - Syslog
triggerOperator: gt
query: |2

  let DomainList = dynamic(["monerohash.com", "do-dear.com", "xmrminerpro.com", "secumine.net", "xmrpool.com", "minexmr.org", "hashanywhere.com", "xmrget.com", 
  "mininglottery.eu", "minergate.com", "moriaxmr.com", "multipooler.com", "moneropools.com", "xmrpool.eu", "coolmining.club", "supportxmr.com",
  "minexmr.com", "hashvault.pro", "xmrpool.net", "crypto-pool.fr", "xmr.pt", "miner.rocks", "walpool.com", "herominers.com", "gntl.co.uk", "semipool.com", 
  "coinfoundry.org", "cryptoknight.cc", "fairhash.org", "baikalmine.com", "tubepool.xyz", "fairpool.xyz", "asiapool.io", "coinpoolit.webhop.me", "nanopool.org", 
  "moneropool.com", "miner.center", "prohash.net", "poolto.be", "cryptoescrow.eu", "monerominers.net", "cryptonotepool.org", "extrmepool.org", "webcoin.me", 
  "kippo.eu", "hashinvest.ws", "monero.farm", "supportxmr.com", "xmrpool.eu", "linux-repository-updates.com", "1gh.com", "dwarfpool.com", "hash-to-coins.com", 
  "hashvault.pro", "pool-proxy.com", "hashfor.cash", "fairpool.cloud", "litecoinpool.org", "mineshaft.ml", "abcxyz.stream", "moneropool.ru", "cryptonotepool.org.uk",
  "extremepool.org", "extremehash.com", "hashinvest.net", "unipool.pro", "crypto-pools.org", "monero.net", "backup-pool.com", "mooo.com", "freeyy.me", "cryptonight.net",
  "shscrypto.net"]);
  Syslog
  | where ProcessName contains "squid"
  | extend URL = extract("(([A-Z]+ [a-z]{4,5}:\\/\\/)|[A-Z]+ )([^ :]*)",3,SyslogMessage), 
          SourceIP = extract("([0-9]+ )(([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3}))",2,SyslogMessage), 
          Status = extract("(TCP_(([A-Z]+)(_[A-Z]+)*)|UDP_(([A-Z]+)(_[A-Z]+)*))",1,SyslogMessage), 
          HTTP_Status_Code = extract("(TCP_(([A-Z]+)(_[A-Z]+)*)|UDP_(([A-Z]+)(_[A-Z]+)*))/([0-9]{3})",8,SyslogMessage),
          User = extract("(CONNECT |GET )([^ ]* )([^ ]+)",3,SyslogMessage),
          RemotePort = extract("(CONNECT |GET )([^ ]*)(:)([0-9]*)",4,SyslogMessage),
          Domain = extract("(([A-Z]+ [a-z]{4,5}:\\/\\/)|[A-Z]+ )([^ :\\/]*)",3,SyslogMessage),
          Bytes = toint(extract("([A-Z]+\\/[0-9]{3} )([0-9]+)",2,SyslogMessage)),
          contentType = extract("([a-z/]+$)",1,SyslogMessage)
  | extend TLD = extract("\\.[a-z]*$",0,Domain)
  | where HTTP_Status_Code == '200'
  | where Domain contains "."
  | where Domain has_any (DomainList)
  | extend timestamp = TimeGenerated, URLCustomEntity = URL, IPCustomEntity = SourceIP, AccountCustomEntity = User
triggerThreshold: 0
name: Squid proxy events related to mining pools
kind: Scheduled
version: 1.0.0
relevantTechniques:
- T1102
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Syslog/Analytic Rules/squid_cryptomining_pools.yaml
description: |
  'Checks for Squid proxy events in Syslog associated with common mining pools .This query presumes the default Squid log format is being used. 
   http://www.squid-cache.org/Doc/config/access_log/'  
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: URLCustomEntity
queryFrequency: 1d
queryPeriod: 1d
id: 80733eb7-35b2-45b6-b2b8-3c51df258206

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/80733eb7-35b2-45b6-b2b8-3c51df258206')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/80733eb7-35b2-45b6-b2b8-3c51df258206')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01",
      "properties": {
        "displayName": "Squid proxy events related to mining pools",
        "description": "'Checks for Squid proxy events in Syslog associated with common mining pools .This query presumes the default Squid log format is being used. \n http://www.squid-cache.org/Doc/config/access_log/'\n",
        "severity": "Low",
        "enabled": true,
        "query": "\nlet DomainList = dynamic([\"monerohash.com\", \"do-dear.com\", \"xmrminerpro.com\", \"secumine.net\", \"xmrpool.com\", \"minexmr.org\", \"hashanywhere.com\", \"xmrget.com\", \n\"mininglottery.eu\", \"minergate.com\", \"moriaxmr.com\", \"multipooler.com\", \"moneropools.com\", \"xmrpool.eu\", \"coolmining.club\", \"supportxmr.com\",\n\"minexmr.com\", \"hashvault.pro\", \"xmrpool.net\", \"crypto-pool.fr\", \"xmr.pt\", \"miner.rocks\", \"walpool.com\", \"herominers.com\", \"gntl.co.uk\", \"semipool.com\", \n\"coinfoundry.org\", \"cryptoknight.cc\", \"fairhash.org\", \"baikalmine.com\", \"tubepool.xyz\", \"fairpool.xyz\", \"asiapool.io\", \"coinpoolit.webhop.me\", \"nanopool.org\", \n\"moneropool.com\", \"miner.center\", \"prohash.net\", \"poolto.be\", \"cryptoescrow.eu\", \"monerominers.net\", \"cryptonotepool.org\", \"extrmepool.org\", \"webcoin.me\", \n\"kippo.eu\", \"hashinvest.ws\", \"monero.farm\", \"supportxmr.com\", \"xmrpool.eu\", \"linux-repository-updates.com\", \"1gh.com\", \"dwarfpool.com\", \"hash-to-coins.com\", \n\"hashvault.pro\", \"pool-proxy.com\", \"hashfor.cash\", \"fairpool.cloud\", \"litecoinpool.org\", \"mineshaft.ml\", \"abcxyz.stream\", \"moneropool.ru\", \"cryptonotepool.org.uk\",\n\"extremepool.org\", \"extremehash.com\", \"hashinvest.net\", \"unipool.pro\", \"crypto-pools.org\", \"monero.net\", \"backup-pool.com\", \"mooo.com\", \"freeyy.me\", \"cryptonight.net\",\n\"shscrypto.net\"]);\nSyslog\n| where ProcessName contains \"squid\"\n| extend URL = extract(\"(([A-Z]+ [a-z]{4,5}:\\\\/\\\\/)|[A-Z]+ )([^ :]*)\",3,SyslogMessage), \n        SourceIP = extract(\"([0-9]+ )(([0-9]{1,3})\\\\.([0-9]{1,3})\\\\.([0-9]{1,3})\\\\.([0-9]{1,3}))\",2,SyslogMessage), \n        Status = extract(\"(TCP_(([A-Z]+)(_[A-Z]+)*)|UDP_(([A-Z]+)(_[A-Z]+)*))\",1,SyslogMessage), \n        HTTP_Status_Code = extract(\"(TCP_(([A-Z]+)(_[A-Z]+)*)|UDP_(([A-Z]+)(_[A-Z]+)*))/([0-9]{3})\",8,SyslogMessage),\n        User = extract(\"(CONNECT |GET )([^ ]* )([^ ]+)\",3,SyslogMessage),\n        RemotePort = extract(\"(CONNECT |GET )([^ ]*)(:)([0-9]*)\",4,SyslogMessage),\n        Domain = extract(\"(([A-Z]+ [a-z]{4,5}:\\\\/\\\\/)|[A-Z]+ )([^ :\\\\/]*)\",3,SyslogMessage),\n        Bytes = toint(extract(\"([A-Z]+\\\\/[0-9]{3} )([0-9]+)\",2,SyslogMessage)),\n        contentType = extract(\"([a-z/]+$)\",1,SyslogMessage)\n| extend TLD = extract(\"\\\\.[a-z]*$\",0,Domain)\n| where HTTP_Status_Code == '200'\n| where Domain contains \".\"\n| where Domain has_any (DomainList)\n| extend timestamp = TimeGenerated, URLCustomEntity = URL, IPCustomEntity = SourceIP, AccountCustomEntity = User\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl"
        ],
        "techniques": [
          "T1102"
        ],
        "alertRuleTemplateName": "80733eb7-35b2-45b6-b2b8-3c51df258206",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ],
            "entityType": "Account"
          },
          {
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ],
            "entityType": "IP"
          },
          {
            "fieldMappings": [
              {
                "columnName": "URLCustomEntity",
                "identifier": "Url"
              }
            ],
            "entityType": "URL"
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Syslog/Analytic Rules/squid_cryptomining_pools.yaml",
        "templateVersion": "1.0.0"
      }
    }
  ]
}