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Detection rules › Sigma

OpenCanary - HTTP GET Request

Status
test
Severity
high
Log source
product opencanary, category application
Author
Security Onion Solutions
Source
github.com/SigmaHQ/sigma

Detects instances where an HTTP service on an OpenCanary node has received a GET request.

MITRE ATT&CK coverage

TacticTechniques
Initial AccessT1190 Exploit Public-Facing Application

Rule body yaml

title: OpenCanary - HTTP GET Request
id: af6c3078-84cd-4c68-8842-08b76bd81b13
status: test
description: Detects instances where an HTTP service on an OpenCanary node has received a GET request.
references:
    - https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration
    - https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52
author: Security Onion Solutions
date: 2024-03-08
tags:
    - attack.initial-access
    - attack.t1190
logsource:
    category: application
    product: opencanary
detection:
    selection:
        logtype: 3000
    condition: selection
falsepositives:
    - Unlikely
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    logtype: 3000

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
logtypeeq
  • 3000