Suspicious Driver Load from Temp

Detects a driver load from a temporary directory

Rule Content

- title: Suspicious Driver Load from Temp
  id: 2c4523d5-d481-4ed0-8ec3-7fbf0cb41a75
  description: Detects a driver load from a temporary directory
  author: Florian Roth
  tags:
  - attack.persistence
  - attack.t1050
  logsource:
    product: windows
    service: sysmon
    category: null
  detection:
    selection:
      EventID: 6
      ImageLoaded: '*\Temp\\*'
    condition: selection
  falsepositives:
  - there is a relevant set of false positives depending on applications in the environment
  level: medium

Querying Elasticsearch

Import Libraries



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

Initialize Elasticsearch client



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

Run Elasticsearch Query



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s = searchContext.query('query_string', query='(event_id:"6" AND driver_loaded.keyword:*\\Temp\\*)')
response = s.execute()
if response.success():
    df = pd.DataFrame((d.to_dict() for d in s.scan()))

Show Results



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df.head()