Detection rules › Sigma

New Virtual Smart Card Created Via TpmVscMgr.EXE

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Source
upstream

Detects execution of "Tpmvscmgr.exe" to create a new virtual smart card.

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

Image|endswith: '\tpmvscmgr.exe'
OriginalFileName: TpmVscMgr.exe

Stage 2: all of selection_cli

CommandLine|contains: create

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
  • create corpus 8 (sigma 8)
Imageends_with
  • \tpmvscmgr.exe
OriginalFileNameeq
  • TpmVscMgr.exe