Detection rules › Sigma

Connection Proxy

Status
test
Severity
low
Log source
product linux, category process_creation
Author
Ömer Günal
Source
github.com/SigmaHQ/sigma

Detects setting proxy configuration

MITRE ATT&CK coverage

TacticTechniques
Command & ControlT1090 Proxy

Event coverage

Rule body yaml

title: Connection Proxy
id: 72f4ab3f-787d-495d-a55d-68c2ff46cf4c
status: test
description: Detects setting proxy configuration
author: Ömer Günal
date: 2020-06-17
modified: 2022-10-05
tags:
    - attack.command-and-control
    - attack.t1090
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        CommandLine|contains:
            - 'http_proxy='
            - 'https_proxy='
    condition: selection
falsepositives:
    - Legitimate administration activities
level: low

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    CommandLine|contains:
        - 'http_proxy='
        - 'https_proxy='

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
CommandLinematch
  • http_proxy=
  • https_proxy=