Userdomain Variable Enumeration

testlow
log source: windows · process_creationauthor Christopher Peacock @SecurePeacock, SCYTHE @scythe_iodate 2023-02-09
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description

What this is, in brief.

Detects suspicious enumeration of the domain the user is associated with.

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tags

attack.discoveryattack.t1016
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rule source (YAML)

title: Userdomain Variable Enumeration
id: 43311e65-84d8-42a5-b3d4-c94d9b67038f
status: test
description: Detects suspicious enumeration of the domain the user is associated with.
references:
    - https://www.arxiv-vanity.com/papers/2008.04676/
    - https://thedfirreport.com/2022/11/14/bumblebee-zeros-in-on-meterpreter/
author: 'Christopher Peacock @SecurePeacock, SCYTHE @scythe_io'
date: 2023-02-09
modified: 2024-08-01
tags:
    - attack.discovery
    - attack.t1016
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains: 'echo '
        CommandLine|contains|expand: '%userdomain%'
    condition: selection
falsepositives:
    - Certain scripts or applications may leverage this.
level: low
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detects techniques (1)

ATT&CK techniques this enables or maps to.

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references

External citations — patches, advisories, analysis.