Detection rules › Sigma

HackTool - Koadic Execution

Severity
high
Author
wagga, Jonhnathan Ribeiro, oscd.community
Source
upstream

Detects command line parameters used by Koadic hack tool

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1059.003 Command and Scripting Interpreter: Windows Command Shell, T1059.005 Command and Scripting Interpreter: Visual Basic, T1059.007 Command and Scripting Interpreter: JavaScript

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation

Stages and Predicates

Stage 1: all of selection_img

or:
Image|endswith: '\cmd.exe'
OriginalFileName: Cmd.Exe

Stage 2: all of selection_cli

CommandLine|contains: '/c'
CommandLine|contains: '/q'
CommandLine|contains: chcp

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
  • /c corpus 7 (sigma 7)
  • /q corpus 2 (sigma 2)
  • chcp
Imageends_with
  • \cmd.exe corpus 92 (sigma 92)
OriginalFileNameeq
  • Cmd.Exe corpus 32 (sigma 30, splunk 2)