Detection rules › Sigma
Cisco ASA FTD Exploit CVE-2020-3452
Detects exploitation attempts on Cisco ASA FTD systems exploiting CVE-2020-3452 with a status code of 200 (sccessful exploitation)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access |
Rule body
title: Cisco ASA FTD Exploit CVE-2020-3452
id: aba47adc-4847-4970-95c1-61dce62a8b29
status: test
description: Detects exploitation attempts on Cisco ASA FTD systems exploiting CVE-2020-3452 with a status code of 200 (sccessful exploitation)
references:
- https://twitter.com/aboul3la/status/1286012324722155525
- https://github.com/darklotuskdb/CISCO-CVE-2020-3452-Scanner-Exploiter
author: Florian Roth (Nextron Systems)
date: 2021-01-07
modified: 2023-01-02
tags:
- attack.t1190
- attack.initial-access
- cve.2020-3452
- detection.emerging-threats
logsource:
category: webserver
detection:
selection_endpoint:
cs-uri-query|contains:
- '+CSCOT+/translation-table'
- '+CSCOT+/oem-customization'
selection_path_select:
cs-uri-query|contains:
- '&textdomain=/'
- '&textdomain=%'
- '&name=/'
- '&name=%'
select_status_code:
sc-status: 200
condition: selection_endpoint and selection_path_select and select_status_code
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selection_endpoint and selection_path_select and select_status_codeStage 1: selection_endpoint
selection_endpoint:
cs-uri-query|contains:
- '+CSCOT+/translation-table'
- '+CSCOT+/oem-customization'
Stage 2: selection_path_select
selection_path_select:
cs-uri-query|contains:
- '&textdomain=/'
- '&textdomain=%'
- '&name=/'
- '&name=%'
Stage 3: select_status_code
select_status_code:
sc-status: 200
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
cs-uri-query | match |
| field:"cs-uri-query" kind:match |
sc-status | eq |
| field:"sc-status" kind:eq value:"200" |