- title: Secure Deletion with SDelete
id: 39a80702-d7ca-4a83-b776-525b1f86a36d
status: experimental
description: Detects renaming of file while deletion with SDelete tool
author: Thomas Patzke
references:
- https://jpcertcc.github.io/ToolAnalysisResultSheet
- https://www.jpcert.or.jp/english/pub/sr/ir_research.html
- https://technet.microsoft.com/en-us/en-en/sysinternals/sdelete.aspx
tags:
- attack.defense_evasion
- attack.t1107
- attack.t1066
- attack.s0195
logsource:
product: windows
service: security
category: null
detection:
selection:
EventID:
- 4656
- 4663
- 4658
ObjectName:
- '*.AAA'
- '*.ZZZ'
condition: selection
falsepositives:
- Legitime usage of SDelete
level: medium
In [ ]:
from elasticsearch import Elasticsearch
from elasticsearch_dsl import Search
import pandas as pd
In [ ]:
es = Elasticsearch(['http://helk-elasticsearch:9200'])
searchContext = Search(using=es, index='logs-endpoint-winevent-security-*', doc_type='doc')
In [ ]:
s = searchContext.query('query_string', query='(event_id:("4656" OR "4663" OR "4658") AND object_name.keyword:(*.AAA OR *.ZZZ))')
response = s.execute()
if response.success():
df = pd.DataFrame((d.to_dict() for d in s.scan()))
In [ ]:
df.head()