Pulse Secure Attack CVE-2019-11510

Detects CVE-2019-11510 exploitation attempt - URI contains Guacamole

Rule Content

- title: Pulse Secure Attack CVE-2019-11510
  id: 2dbc10d7-a797-49a8-8776-49efa6442e60
  description: Detects CVE-2019-11510 exploitation attempt - URI contains Guacamole
  references:
  - https://www.exploit-db.com/exploits/47297
  author: Florian Roth
  logsource:
    category: webserver
    product: null
    service: null
  detection:
    selection:
      c-uri-path: '*?/dana/html5acc/guacamole/*'
    condition: selection
  fields:
  - client_ip
  - vhost
  - url
  - response
  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='c-uri-path.keyword:*?\/dana\/html5acc\/guacamole\/*')
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()