Tomcat - Commands in URI
Id | 91f59cea-486f-11ec-81d3-0242ac130003 |
Rulename | Tomcat - Commands in URI |
Description | Detects commands in URI |
Severity | High |
Tactics | InitialAccess |
Techniques | T1190 T1133 |
Required data connectors | CustomLogsAma |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatCommandsinRequest.yaml |
Version | 1.0.2 |
Arm template | 91f59cea-486f-11ec-81d3-0242ac130003.json |
let commands = dynamic(['cat%20/etc/passwd', '/etc/passwd', 'ping -i', '/usr/bin/id(', '%2f%75%73%72%2f%62%69%6e%2f%69%64', 'phpinfo()', '%70%68%70%69%6e%66%6f%28%29', ';id', '%3b%69%64', '/bin/bash -c', '%2f%62%69%6e%2f%62%61%73%68%20%2d%63%27', '/bin/bash', '%2f%62%69%6e%2f%62%61%73%68', 'sleep(', '%73%6c%65%65%70%28', 'curl', '%63%75%72%6c', '&dir', '%26%64%69%72', '& dir', '%26%20%64%69%72', '<script>', '%3c%73%63%72%69%70%74%3e', 'eval(', '%65%76%61%6c%28', 'exec(', '%65%78%65%63%28', 'whoami', '%77%68%6f%61%6d%69', 'wget', 'python', 'gcc', 'uname', 'systeminfo', '%70%79%74%68%6f%6e', '%75%6e%61%6d%65', '%73%79%73%74%65%6d%69%6e%66%6f']);
TomcatEvent
| where UrlOriginal has_any (commands)
| extend UrlCustomEntity = UrlOriginal
entityMappings:
- entityType: URL
fieldMappings:
- identifier: Url
columnName: UrlCustomEntity
queryFrequency: 1h
name: Tomcat - Commands in URI
kind: Scheduled
tactics:
- InitialAccess
triggerThreshold: 0
query: |
let commands = dynamic(['cat%20/etc/passwd', '/etc/passwd', 'ping -i', '/usr/bin/id(', '%2f%75%73%72%2f%62%69%6e%2f%69%64', 'phpinfo()', '%70%68%70%69%6e%66%6f%28%29', ';id', '%3b%69%64', '/bin/bash -c', '%2f%62%69%6e%2f%62%61%73%68%20%2d%63%27', '/bin/bash', '%2f%62%69%6e%2f%62%61%73%68', 'sleep(', '%73%6c%65%65%70%28', 'curl', '%63%75%72%6c', '&dir', '%26%64%69%72', '& dir', '%26%20%64%69%72', '<script>', '%3c%73%63%72%69%70%74%3e', 'eval(', '%65%76%61%6c%28', 'exec(', '%65%78%65%63%28', 'whoami', '%77%68%6f%61%6d%69', 'wget', 'python', 'gcc', 'uname', 'systeminfo', '%70%79%74%68%6f%6e', '%75%6e%61%6d%65', '%73%79%73%74%65%6d%69%6e%66%6f']);
TomcatEvent
| where UrlOriginal has_any (commands)
| extend UrlCustomEntity = UrlOriginal
relevantTechniques:
- T1190
- T1133
triggerOperator: gt
queryPeriod: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatCommandsinRequest.yaml
severity: High
status: Available
id: 91f59cea-486f-11ec-81d3-0242ac130003
requiredDataConnectors:
- connectorId: CustomLogsAma
datatypes:
- Tomcat_CL
version: 1.0.2
description: |
'Detects commands in URI'
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/91f59cea-486f-11ec-81d3-0242ac130003')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/91f59cea-486f-11ec-81d3-0242ac130003')]",
"properties": {
"alertRuleTemplateName": "91f59cea-486f-11ec-81d3-0242ac130003",
"customDetails": null,
"description": "'Detects commands in URI'\n",
"displayName": "Tomcat - Commands in URI",
"enabled": true,
"entityMappings": [
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "UrlCustomEntity",
"identifier": "Url"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Tomcat/Analytic Rules/TomcatCommandsinRequest.yaml",
"query": "let commands = dynamic(['cat%20/etc/passwd', '/etc/passwd', 'ping -i', '/usr/bin/id(', '%2f%75%73%72%2f%62%69%6e%2f%69%64', 'phpinfo()', '%70%68%70%69%6e%66%6f%28%29', ';id', '%3b%69%64', '/bin/bash -c', '%2f%62%69%6e%2f%62%61%73%68%20%2d%63%27', '/bin/bash', '%2f%62%69%6e%2f%62%61%73%68', 'sleep(', '%73%6c%65%65%70%28', 'curl', '%63%75%72%6c', '&dir', '%26%64%69%72', '& dir', '%26%20%64%69%72', '<script>', '%3c%73%63%72%69%70%74%3e', 'eval(', '%65%76%61%6c%28', 'exec(', '%65%78%65%63%28', 'whoami', '%77%68%6f%61%6d%69', 'wget', 'python', 'gcc', 'uname', 'systeminfo', '%70%79%74%68%6f%6e', '%75%6e%61%6d%65', '%73%79%73%74%65%6d%69%6e%66%6f']);\nTomcatEvent\n| where UrlOriginal has_any (commands)\n| extend UrlCustomEntity = UrlOriginal\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "High",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1133",
"T1190"
],
"templateVersion": "1.0.2",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}