Suspicious Kernel Dump Using Dtrace

testhigh
log source: windows · process_creationauthor Florian Roth (Nextron Systems)date 2021-12-28
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description

What this is, in brief.

Detects suspicious way to dump the kernel on Windows systems using dtrace.exe, which is available on Windows systems since Windows 10 19H1

02

tags

attack.discoveryattack.t1082
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rule source (YAML)

title: Suspicious Kernel Dump Using Dtrace
id: 7124aebe-4cd7-4ccb-8df0-6d6b93c96795
status: test
description: Detects suspicious way to dump the kernel on Windows systems using dtrace.exe, which is available on Windows systems since Windows 10 19H1
references:
    - https://twitter.com/0gtweet/status/1474899714290208777?s=12
    - https://learn.microsoft.com/en-us/windows-hardware/drivers/devtest/dtrace
author: Florian Roth (Nextron Systems)
date: 2021-12-28
tags:
    - attack.discovery
    - attack.t1082
logsource:
    product: windows
    category: process_creation
detection:
    selection_plain:
        Image|endswith: '\dtrace.exe'
        CommandLine|contains: 'lkd(0)'
    selection_obfuscated:
        CommandLine|contains|all:
            - 'syscall:::return'
            - 'lkd('
    condition: 1 of selection*
falsepositives:
    - Unknown
level: high
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_dtrace_kernel_dump/info.yml
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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.