Squid proxy events related to mining pools

id: 80733eb7-35b2-45b6-b2b8-3c51df258206
name: 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.
   http://www.squid-cache.org/Doc/config/access_log/'
severity: Low
requiredDataConnectors:
  - connectorId: Syslog
    dataTypes:
      - Syslog
  - connectorId: SyslogAma
    dataTypes:
      - Syslog
queryFrequency: 1d
queryPeriod: 1d
triggerOperator: gt
triggerThreshold: 0
tactics:
  - CommandAndControl
relevantTechniques:
  - T1102
query: |
  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 AccountName = tostring(split(User, "@")[0]), AccountUPNSuffix = tostring(split(User, "@")[1])
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: FullName
        columnName: User
      - identifier: Name
        columnName: AccountName
      - identifier: UPNSuffix
        columnName: AccountUPNSuffix
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: SourceIP
  - entityType: URL
    fieldMappings:
      - identifier: Url
        columnName: URL
version: 1.0.4
kind: Scheduled