Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
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Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Potential SysInternals ProcDump Evasion
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential SysInternals ProcDump Evasion
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Potential SysInternals ProcDump Evasion
id: 79b06761-465f-4f88-9ef2-150e24d3d737
status: test
description: Detects uses of the SysInternals ProcDump utility in which ProcDump or its output get renamed, or a dump file is moved or copied to a different name
references:
- https://twitter.com/mrd0x/status/1480785527901204481
author: Florian Roth (Nextron Systems)
date: 2022-01-11
modified: 2023-05-09
tags:
- attack.defense-evasion
- attack.t1036
- attack.t1003.001
- attack.credential-access
logsource:
category: process_creation
product: windows
detection:
selection_1:
CommandLine|contains:
- 'copy procdump'
- 'move procdump'
selection_2:
CommandLine|contains|all:
- 'copy '
- '.dmp '
CommandLine|contains:
- '2.dmp'
- 'lsass'
- 'out.dmp'
selection_3:
CommandLine|contains:
- 'copy lsass.exe_' # procdump default pattern e.g. lsass.exe_220111_085234.dmp
- 'move lsass.exe_' # procdump default pattern e.g. lsass.exe_220111_085234.dmp
condition: 1 of selection_*
falsepositives:
- False positives are expected in cases in which ProcDump just gets copied to a different directory without any renaming
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_sysinternals_procdump_evasion.yml