Emerging Threatcriticaltest
CVE-2020-0688 Exchange Exploitation via Web Log
Detects the exploitation of Microsoft Exchange vulnerability as described in CVE-2020-0688
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Florian Roth (Nextron Systems)Created Sat Feb 29Updated Mon Jan 02fce2c2e2-0fb5-41ab-a14c-5391e1fd70a52020
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
Web Server Log
CategoryWeb Server Log← raw: webserver
HTTP access logs from web servers capturing request paths, methods, and status codes.
Detection Logic
Detection Logic2 selectors
detection:
selection1:
cs-method: 'GET'
cs-uri-query|contains:
- '/ecp/'
- '/owa/'
selection2:
cs-uri-query|contains: '__VIEWSTATE='
condition: all of selection*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Other
cve.2020-0688detection.emerging-threats
Rule Metadata
Rule ID
fce2c2e2-0fb5-41ab-a14c-5391e1fd70a5
Status
test
Level
critical
Type
Emerging Threat
Created
Sat Feb 29
Modified
Mon Jan 02
Path
rules-emerging-threats/2020/Exploits/CVE-2020-0688/web_cve_2020_0688_msexchange.yml
Raw Tags
attack.initial-accessattack.t1190cve.2020-0688detection.emerging-threats