Suspicious Response File Execution Via Odbcconf.EXE

Detects execution of "odbcconf" with the "-f" flag in order to load a response file with a non-".rsp" extension.

Sigma rule (View on GitHub)

 1title: Suspicious Response File Execution Via Odbcconf.EXE
 2id: 2d32dd6f-3196-4093-b9eb-1ad8ab088ca5
 3related:
 4    - id: 5f03babb-12db-4eec-8c82-7b4cb5580868
 5      type: derived
 6    - id: 65d2be45-8600-4042-b4c0-577a1ff8a60e
 7      type: obsoletes
 8status: experimental
 9description: Detects execution of "odbcconf" with the "-f" flag in order to load a response file with a non-".rsp" extension.
10references:
11    - https://learn.microsoft.com/en-us/sql/odbc/odbcconf-exe?view=sql-server-ver16
12    - https://lolbas-project.github.io/lolbas/Binaries/Odbcconf/
13    - https://www.trendmicro.com/en_us/research/17/h/backdoor-carrying-emails-set-sights-on-russian-speaking-businesses.html
14author: Nasreddine Bencherchali (Nextron Systems)
15date: 2023/05/22
16modified: 2024/03/13
17tags:
18    - attack.defense_evasion
19    - attack.t1218.008
20logsource:
21    category: process_creation
22    product: windows
23detection:
24    selection_img:
25        - Image|endswith: '\odbcconf.exe'
26        - OriginalFileName: 'odbcconf.exe'
27    selection_cli:
28        CommandLine|contains|windash: ' -f '
29    filter_main_rsp_ext:
30        CommandLine|contains: '.rsp'
31    filter_main_runonce_odbc:
32        # When odbcconf is run with the "/R" flag, it creates a "runonce" key to run at the next reboot
33        ParentImage: 'C:\Windows\System32\runonce.exe'
34        Image: 'C:\Windows\System32\odbcconf.exe'
35        CommandLine|contains: '.exe /E /F "C:\WINDOWS\system32\odbcconf.tmp"'
36    condition: all of selection_* and not 1 of filter_main_*
37falsepositives:
38    - Unlikely
39level: high

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