Detection rules › Sigma

Cisco Sniffing

Status
test
Severity
medium
Log source
product cisco, service aaa
Author
Austin Clark
Source
github.com/SigmaHQ/sigma

Show when a monitor or a span/rspan is setup or modified

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1040 Network Sniffing
DiscoveryT1040 Network Sniffing

Rule body yaml

title: Cisco Sniffing
id: b9e1f193-d236-4451-aaae-2f3d2102120d
status: test
description: Show when a monitor or a span/rspan is setup or modified
author: Austin Clark
date: 2019-08-11
modified: 2023-01-04
tags:
    - attack.credential-access
    - attack.discovery
    - attack.t1040
logsource:
    product: cisco
    service: aaa
detection:
    keywords:
        - 'monitor capture point'
        - 'set span'
        - 'set rspan'
    condition: keywords
falsepositives:
    - Admins may setup new or modify old spans, or use a monitor for troubleshooting
level: medium

Stages and Predicates

Stage 0: condition

keywords

Stage 1: keywords

keywords:
    - 'monitor capture point'
    - 'set span'
    - 'set rspan'