Response File Execution Via Odbcconf.EXE

Description

Detects execution of "odbcconf" with the "-f" flag in order to load a response file which might contain a malicious action.

Query · sigma

selection_img:
- Image|endswith: \odbcconf.exe
- OriginalFileName: odbcconf.exe
selection_cli:
  CommandLine|contains|windash: ' -f '
selection_rsp_ext:
  CommandLine|contains: .rsp
condition: all of selection_*

Known false positives

  • The rule is looking for any usage of response file, which might generate false positive when this function is used legitimately. Investigate the contents of the ".rsp" file to determine if it is malicious and apply additional filters if necessary.
Raw source Response File Execution Via Odbcconf.EXE · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Response File Execution Via Odbcconf.EXE
id: 5f03babb-12db-4eec-8c82-7b4cb5580868
related:
    - id: 2d32dd6f-3196-4093-b9eb-1ad8ab088ca5
      type: similar
    - id: 65d2be45-8600-4042-b4c0-577a1ff8a60e
      type: obsolete
status: test
description: Detects execution of "odbcconf" with the "-f" flag in order to load a response file which might contain a malicious action.
references:
    - https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver16
    - https://lolbas-project.github.io/lolbas/Binaries/Odbcconf/
    - https://www.cybereason.com/blog/threat-analysis-report-bumblebee-loader-the-high-road-to-enterprise-domain-control
    - https://www.hexacorn.com/blog/2020/08/23/odbcconf-lolbin-trifecta/
author: Kirill Kiryanov, Beyu Denis, Daniil Yugoslavskiy, oscd.community, Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-22
modified: 2024-03-05
tags:
    - attack.stealth
    - attack.t1218.008
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\odbcconf.exe'
        - OriginalFileName: 'odbcconf.exe'
    selection_cli:
        CommandLine|contains|windash: ' -f '
    selection_rsp_ext:
        CommandLine|contains: '.rsp'
    condition: all of selection_*
falsepositives:
    - The rule is looking for any usage of response file, which might generate false positive when this function is used legitimately. Investigate the contents of the ".rsp" file to determine if it is malicious and apply additional filters if necessary.
level: medium

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