Detection rules › Sigma

HackTool - LittleCorporal Generated Maldoc Injection

Severity
high
Author
Christian Burkard (Nextron Systems)
Source
upstream

Detects the process injection of a LittleCorporal generated Maldoc.

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1204.002 User Execution: Malicious File
Privilege EscalationT1055.003 Process Injection: Thread Execution Hijacking
Defense EvasionT1055.003 Process Injection: Thread Execution Hijacking

Event coverage

ProviderEvent IDTitle
Sysmon10ProcessAccess

Stages and Predicates

Stage 1: selection

CallTrace|contains: ':\Windows\Microsoft.NET\Framework64\v2.'
CallTrace|contains: UNKNOWN
SourceImage|endswith: '\winword.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
CallTracematch
  • :\Windows\Microsoft.NET\Framework64\v2.
  • UNKNOWN corpus 2 (sigma 2)
SourceImageends_with
  • \winword.exe corpus 17 (sigma 17)