SAM Dump to AppData

Detects suspicious SAM dump activity as cause by QuarksPwDump and other password dumpers

Rule Content

- title: SAM Dump to AppData
  id: 839dd1e8-eda8-4834-8145-01beeee33acd
  status: experimental
  description: Detects suspicious SAM dump activity as cause by QuarksPwDump and other
    password dumpers
  tags:
  - attack.credential_access
  - attack.t1003
  author: Florian Roth
  logsource:
    product: windows
    service: system
    definition: The source of this type of event is Kernel-General
    category: null
  detection:
    selection:
      EventID: 16
    keywords:
      Message:
      - '*\AppData\Local\Temp\SAM-*.dmp *'
    condition: all of them
  falsepositives:
  - Penetration testing
  level: high

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-system-*', doc_type='doc')

Run Elasticsearch Query



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s = searchContext.query('query_string', query='(event_id:"16" AND Message.keyword:(*\\AppData\\Local\\Temp\\SAM\-*.dmp\ *))')
response = s.execute()
if response.success():
    df = pd.DataFrame((d.to_dict() for d in s.scan()))

Show Results



In [ ]:

    
df.head()