Detection rules › Sigma

Mavinject Inject DLL Into Running Process

Severity
high
Author
frack113, Florian Roth
Source
upstream

Detects process injection using the signed Windows tool "Mavinject" via the "INJECTRUNNING" flag

MITRE ATT&CK coverage

TacticTechniques
Privilege EscalationT1055.001 Process Injection: Dynamic-link Library Injection
Defense EvasionT1055.001 Process Injection: Dynamic-link Library Injection, T1218.013 System Binary Proxy Execution: Mavinject

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|contains: ' /INJECTRUNNING '

Stage 2: not filter

ParentImage: 'C:\Windows\System32\AppVClient.exe'

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
  • /INJECTRUNNING
ParentImageeq
  • C:\Windows\System32\AppVClient.exe