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CLI Versions

Newest: 2.0.2

Translation Workspace

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Active Rule

Potentially Suspicious Regsvr32 HTTP IP Pattern

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Potentially Suspicious Regsvr32 HTTP IP Pattern

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: Potentially Suspicious Regsvr32 HTTP IP Pattern
id: 2dd2c217-bf68-437a-b57c-fe9fd01d5de8
status: test
description: Detects regsvr32 execution to download and install DLLs located remotely where the address is an IP address.
references:
    - https://twitter.com/mrd0x/status/1461041276514623491
    - https://twitter.com/tccontre18/status/1480950986650832903
    - https://lolbas-project.github.io/lolbas/Binaries/Regsvr32/
author: Florian Roth (Nextron Systems)
date: 2022-01-11
modified: 2023-05-24
tags:
    - attack.defense-evasion
    - attack.t1218.010
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\regsvr32.exe'
        - OriginalFileName: 'REGSVR32.EXE'
    selection_ip:
        CommandLine|contains:
            - ' /i:http://1'
            - ' /i:http://2'
            - ' /i:http://3'
            - ' /i:http://4'
            - ' /i:http://5'
            - ' /i:http://6'
            - ' /i:http://7'
            - ' /i:http://8'
            - ' /i:http://9'
            - ' /i:https://1'
            - ' /i:https://2'
            - ' /i:https://3'
            - ' /i:https://4'
            - ' /i:https://5'
            - ' /i:https://6'
            - ' /i:https://7'
            - ' /i:https://8'
            - ' /i:https://9'
            - ' -i:http://1'
            - ' -i:http://2'
            - ' -i:http://3'
            - ' -i:http://4'
            - ' -i:http://5'
            - ' -i:http://6'
            - ' -i:http://7'
            - ' -i:http://8'
            - ' -i:http://9'
            - ' -i:https://1'
            - ' -i:https://2'
            - ' -i:https://3'
            - ' -i:https://4'
            - ' -i:https://5'
            - ' -i:https://6'
            - ' -i:https://7'
            - ' -i:https://8'
            - ' -i:https://9'
    condition: all of selection_*
falsepositives:
    - FQDNs that start with a number such as "7-Zip"
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_regsvr32_http_ip_pattern.yml