Detection rules › Sigma

HackTool - CrackMapExec Execution Patterns

Severity
high
Author
Thomas Patzke
Source
upstream

Detects various execution patterns of the CrackMapExec pentesting framework

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1047 Windows Management Instrumentation, T1053 Scheduled Task/Job, T1059.001 Command and Scripting Interpreter: PowerShell, T1059.003 Command and Scripting Interpreter: Windows Command Shell
PersistenceT1053 Scheduled Task/Job
Privilege EscalationT1053 Scheduled Task/Job

Event coverage

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

Stages and Predicates

Stage 1: selection

or:
CommandLine|contains: 'cmd.exe /C * > *\\Temp\\* 2>&1'
CommandLine|contains: 'cmd.exe /C * > \\\\*\\*\\* 2>&1'
CommandLine|contains: 'cmd.exe /Q /c * 1> \\\\*\\*\\* 2>&1'
CommandLine|contains: 'powershell.exe -exec bypass -noni -nop -w 1 -C "'
CommandLine|contains: 'powershell.exe -noni -nop -w 1 -enc '

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
  • cmd.exe /C * > *\\Temp\\* 2>&1
  • cmd.exe /C * > \\\\*\\*\\* 2>&1
  • cmd.exe /Q /c * 1> \\\\*\\*\\* 2>&1
  • powershell.exe -exec bypass -noni -nop -w 1 -C "
  • powershell.exe -noni -nop -w 1 -enc