Detection of SafetyKatz

Detects possible SafetyKatz Behaviour

Rule Content

- title: Detection of SafetyKatz
  id: e074832a-eada-4fd7-94a1-10642b130e16
  status: experimental
  description: Detects possible SafetyKatz Behaviour
  references:
  - https://github.com/GhostPack/SafetyKatz
  tags:
  - attack.credential_access
  - attack.t1003
  author: Markus Neis
  date: 2018/07/24
  logsource:
    product: windows
    service: sysmon
    category: null
  detection:
    selection:
      EventID: 11
      TargetFilename: '*\Temp\debug.bin'
    condition: selection
  falsepositives:
  - Unknown
  level: high

Querying Elasticsearch

Import Libraries



In [ ]:

    
from elasticsearch import Elasticsearch
from elasticsearch_dsl import Search
import pandas as pd

Initialize Elasticsearch client



In [ ]:

    
es = Elasticsearch(['http://helk-elasticsearch:9200'])
searchContext = Search(using=es, index='logs-endpoint-winevent-sysmon-*', doc_type='doc')

Run Elasticsearch Query



In [ ]:

    
s = searchContext.query('query_string', query='(event_id:"11" AND file_name.keyword:*\\Temp\\debug.bin)')
response = s.execute()
if response.success():
    df = pd.DataFrame((d.to_dict() for d in s.scan()))

Show Results



In [ ]:

    
df.head()