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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
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CLI Versions
10
Newest: 2.0.2
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Active Rule
HackTool - HandleKatz Duplicating LSASS Handle
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
HackTool - HandleKatz Duplicating LSASS Handle
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: HackTool - HandleKatz Duplicating LSASS Handle
id: b1bd3a59-c1fd-4860-9f40-4dd161a7d1f5
status: test
description: Detects HandleKatz opening LSASS to duplicate its handle to later dump the memory without opening any new handles
references:
- https://github.com/codewhitesec/HandleKatz
author: Bhabesh Raj (rule), @thefLinkk
date: 2022-06-27
modified: 2023-11-28
tags:
- attack.execution
- attack.t1106
- attack.defense-evasion
- attack.t1003.001
- attack.credential-access
logsource:
category: process_access
product: windows
detection:
selection:
TargetImage|endswith: '\lsass.exe' # Theoretically, can be any benign process holding handle to LSASS
GrantedAccess: '0x1440' # Only PROCESS_DUP_HANDLE, PROCESS_QUERY_LIMITED_INFORMATION, PROCESS_QUERY_INFORMATION
# Example: C:\Windows\SYSTEM32\ntdll.dll+9d234\|UNKNOWN(00000000001C119B)
CallTrace|startswith: 'C:\Windows\System32\ntdll.dll+'
CallTrace|contains: '|UNKNOWN('
CallTrace|endswith: ')'
condition: selection
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_access/proc_access_win_hktl_handlekatz_lsass_access.yml