Connection Proxy

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

Detects setting proxy configuration

Known false positives

Legitimate administration activities

MITRE ATT&CK coverage

Tactic	Techniques
Command & Control	`T1090` Proxy

Telemetry coverage

Platform	Record / event type
Linux	Event ID 1: Process Create

Rule body

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

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`CommandLine`	match	`http_proxy=` `https_proxy=`	`field:"CommandLine" kind:match`

Connection Proxy

Known false positives

MITRE ATT&CK coverage

Telemetry coverage

Rule body

Stages and Predicates

Stage 0: condition

Stage 1: selection

Indicators

Stage 0: `condition`

Stage 1: `selection`