Exploit for CVE-2015-1641

Detects Winword starting uncommon sub process MicroScMgmt.exe as used in exploits for CVE-2015-1641

Rule Content

- title: Exploit for CVE-2015-1641
  id: 7993792c-5ce2-4475-a3db-a3a5539827ef
  status: experimental
  description: Detects Winword starting uncommon sub process MicroScMgmt.exe as used
    in exploits for CVE-2015-1641
  references:
  - https://www.virustotal.com/en/file/5567408950b744c4e846ba8ae726883cb15268a539f3bb21758a466e47021ae8/analysis/
  - https://www.hybrid-analysis.com/sample/5567408950b744c4e846ba8ae726883cb15268a539f3bb21758a466e47021ae8?environmentId=100
  author: Florian Roth
  date: 2018/02/22
  tags:
  - attack.defense_evasion
  - attack.t1036
  logsource:
    category: process_creation
    product: windows
    service: null
  detection:
    selection:
      ParentImage: '*\WINWORD.EXE'
      Image: '*\MicroScMgmt.exe '
    condition: selection
  falsepositives:
  - Unknown
  level: critical

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-*', doc_type='doc')

Run Elasticsearch Query



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s = searchContext.query('query_string', query='(process_parent_path.keyword:*\\WINWORD.EXE AND process_path.keyword:*\\MicroScMgmt.exe\ )')
response = s.execute()
if response.success():
    df = pd.DataFrame((d.to_dict() for d in s.scan()))

Show Results



In [ ]:

    
df.head()