Detection rules › Sigma

Xwizard.EXE Execution From Non-Default Location

Severity
high
Author
Christian Burkard (Nextron Systems)
Source
upstream

Detects the execution of Xwizard tool from a non-default directory. When executed from a non-default directory, this utility can be abused in order to side load a custom version of "xwizards.dll".

MITRE ATT&CK coverage

TacticTechniques
PersistenceT1574.001 Hijack Execution Flow: DLL
Privilege EscalationT1574.001 Hijack Execution Flow: DLL
Defense EvasionT1574.001 Hijack Execution Flow: DLL

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: selection

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

Stage 2: not 1 of filter_main_legit_location

or:
Image|startswith: 'C:\Windows\SysWOW64\'
Image|startswith: 'C:\Windows\System32\'
Image|startswith: 'C:\Windows\WinSxS\'

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
Imageends_with
  • \xwizard.exe
Imagestarts_with
  • C:\Windows\SysWOW64\ corpus 16 (sigma 16)
  • C:\Windows\System32\ corpus 16 (sigma 16)
  • C:\Windows\WinSxS\ corpus 13 (sigma 13)
OriginalFileNameeq
  • xwizard.exe