Cisco Umbrella - Hack Tool User-Agent Detected

Description

'Detects suspicious user agent strings used by known hack tools'

Query · kql

let timeframe = 15m;
let user_agents=dynamic([
                          '(hydra)',
                          ' arachni/',
                          ' BFAC ',
                          ' brutus ',
                          ' cgichk ',
                          'core-project/1.0',
                          ' crimscanner/',
                          'datacha0s',
                          'dirbuster',
                          'domino hunter',
                          'dotdotpwn',
                          'FHScan Core',
                          'floodgate',
                          'get-minimal',
                          'gootkit auto-rooter scanner',
                          'grendel-scan',
                          ' inspath ',
                          'internet ninja',
                          'jaascois',
                          ' zmeu ',
                          'masscan',
                          ' metis ',
                          'morfeus fucking scanner',
                          'n-stealth',
                          'nsauditor',
                          'pmafind',
                          'security scan',
                          'springenwerk',
                          'teh forest lobster',
                          'toata dragostea',
                          ' vega/',
                          'voideye',
                          'webshag',
                          'webvulnscan',
                          ' whcc/',
                          ' Havij',
                          'absinthe',
                          'bsqlbf',
                          'mysqloit',
                          'pangolin',
                          'sql power injector',
                          'sqlmap',
                          'sqlninja',
                          'uil2pn',
                          'ruler',
                          'Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-PT; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 (.NET CLR 3.5.30729)'
                          ]);
Cisco_Umbrella
| where EventType == "proxylogs"
| where TimeGenerated > ago(timeframe)
| where HttpUserAgentOriginal has_any (user_agents)
| extend Message = "Hack Tool User Agent"
| project Message, SrcIpAddr, DstIpAddr, UrlOriginal, TimeGenerated, HttpUserAgentOriginal
Raw source Cisco Umbrella - Hack Tool User-Agent Detected · KQL
Esc
Published by Azure/Azure-Sentinel ↗, licensed under MIT ↗. Reproduced here unmodified. 
id: 8d537f3c-094f-430c-a588-8a87da36ee3a
name: Cisco Umbrella - Hack Tool User-Agent Detected
description: |
  'Detects suspicious user agent strings used by known hack tools'
severity: Medium
requiredDataConnectors:
  - connectorId: CiscoUmbrellaDataConnector
    dataTypes:
      - Cisco_Umbrella_proxy_CL
queryFrequency: 15m
queryPeriod: 15m
triggerOperator: gt
triggerThreshold: 0
tactics:
  - CommandAndControl
query: |
  let timeframe = 15m;
  let user_agents=dynamic([
                            '(hydra)',
                            ' arachni/',
                            ' BFAC ',
                            ' brutus ',
                            ' cgichk ',
                            'core-project/1.0',
                            ' crimscanner/',
                            'datacha0s',
                            'dirbuster',
                            'domino hunter',
                            'dotdotpwn',
                            'FHScan Core',
                            'floodgate',
                            'get-minimal',
                            'gootkit auto-rooter scanner',
                            'grendel-scan',
                            ' inspath ',
                            'internet ninja',
                            'jaascois',
                            ' zmeu ',
                            'masscan',
                            ' metis ',
                            'morfeus fucking scanner',
                            'n-stealth',
                            'nsauditor',
                            'pmafind',
                            'security scan',
                            'springenwerk',
                            'teh forest lobster',
                            'toata dragostea',
                            ' vega/',
                            'voideye',
                            'webshag',
                            'webvulnscan',
                            ' whcc/',
                            ' Havij',
                            'absinthe',
                            'bsqlbf',
                            'mysqloit',
                            'pangolin',
                            'sql power injector',
                            'sqlmap',
                            'sqlninja',
                            'uil2pn',
                            'ruler',
                            'Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-PT; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 (.NET CLR 3.5.30729)'
                            ]);
  Cisco_Umbrella
  | where EventType == "proxylogs"
  | where TimeGenerated > ago(timeframe)
  | where HttpUserAgentOriginal has_any (user_agents)
  | extend Message = "Hack Tool User Agent"
  | project Message, SrcIpAddr, DstIpAddr, UrlOriginal, TimeGenerated, HttpUserAgentOriginal
entityMappings:
  - entityType: URL
    fieldMappings:
      - identifier: Url
        columnName: UrlOriginal
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: SrcIpAddr
version: 1.1.2
kind: Scheduled

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.