Emerging Threathightest
CVE-2023-46747 Exploitation Activity - Proxy
Detects exploitation activity of CVE-2023-46747 an unauthenticated remote code execution vulnerability in F5 BIG-IP.
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Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
Proxy Log
CategoryProxy Log← raw: proxy
Definition
Requirements: The POST request body data must be collected in order to make use of this detection
Detection Logic
Detection Logic3 selectors
detection:
selection:
cs-method: 'POST'
c-uri|contains: '/mgmt/tm/util/bash'
keywords_hex:
'|all':
- '2f746d75692f436f6e74726f6c2f666f726d' # /tmui/Control/form
- '666f726d5f706167653d253266746d756925326673797374656d253266757365722532666372656174652e6a7370' # form_page=%2ftmui%2fsystem%2fuser%2fcreate.jsp
keywords_plain:
'|all':
- '/tmui/Control/form'
- 'form_page=%2ftmui%2fsystem%2fuser%2fcreate.jsp'
condition: selection and (keywords_hex or keywords_plain)False Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
MITRE ATT&CK
Tactics
Other
cve.2023-46747detection.emerging-threats
Rule Metadata
Rule ID
f195b2ff-e542-41bf-8d91-864fb81e5c20
Status
test
Level
high
Type
Emerging Threat
Created
Wed Nov 08
Path
rules-emerging-threats/2023/Exploits/CVE-2023-46747/proxy_cve_2023_46747_f5_remote_code_execution.yml
Raw Tags
attack.initial-accessattack.t1190cve.2023-46747detection.emerging-threats