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Detection rules › Sigma

Oracle WebLogic Exploit

Status
test
Severity
critical
Log source
category webserver
Author
Florian Roth (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects access to a webshell dropped into a keystore folder on the WebLogic server

MITRE ATT&CK coverage

TacticTechniques
Initial Access
Persistence

Rule body

title: Oracle WebLogic Exploit
id: 37e8369b-43bb-4bf8-83b6-6dd43bda2000
status: test
description: Detects access to a webshell dropped into a keystore folder on the WebLogic server
references:
    - https://twitter.com/pyn3rd/status/1020620932967223296
    - https://github.com/LandGrey/CVE-2018-2894
author: Florian Roth (Nextron Systems)
date: 2018-07-22
modified: 2023-01-02
tags:
    - attack.t1190
    - attack.initial-access
    - attack.persistence
    - attack.t1505.003
    - cve.2018-2894
    - detection.emerging-threats
logsource:
    category: webserver
detection:
    selection:
        cs-uri-query: '*/config/keystore/*.js*'
    condition: selection
falsepositives:
    - Unknown
level: critical

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    cs-uri-query: '*/config/keystore/*.js*'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
cs-uri-querywildcard
  • */config/keystore/*.js*
field:"cs-uri-query" kind:wildcard value:"*/config/keystore/*.js*"