Detection rules › Sigma

Suspicious Driver/DLL Installation Via Odbcconf.EXE

Severity
high
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects execution of "odbcconf" with the "INSTALLDRIVER" action where the driver doesn't contain a ".dll" extension. This is often used as a defense evasion method.

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1218.008 System Binary Proxy Execution: Odbcconf

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

or:
Image|endswith: '\odbcconf.exe'
OriginalFileName: odbcconf.exe

Stage 2: all of selection_cli

CommandLine|contains: 'INSTALLDRIVER '

Stage 3: not 1 of filter_main_dll_ext

CommandLine|contains: .dll

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
CommandLinematch
  • .dll corpus 15 (sigma 15)
  • INSTALLDRIVER corpus 2 (sigma 2)
Imageends_with
  • \odbcconf.exe corpus 11 (sigma 11)
OriginalFileNameeq
  • odbcconf.exe corpus 9 (sigma 9)