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30 lines
807 B
YAML
30 lines
807 B
YAML
title: Solarwinds SUPERNOVA Webshell Access
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id: a2cee20b-eacc-459f-861d-c02e5d12f1db
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status: experimental
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description: Detects access to SUPERNOVA webshell as described in Guidepoint report
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author: Florian Roth
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date: 2020/12/17
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modified: 2021/08/09
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references:
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- https://www.guidepointsecurity.com/supernova-solarwinds-net-webshell-analysis/
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- https://www.anquanke.com/post/id/226029
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tags:
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- attack.persistence
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- attack.t1505.003
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logsource:
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category: webserver
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detection:
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selection1:
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c-uri|contains|all:
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- 'logoimagehandler.ashx'
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- 'clazz'
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selection2:
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c-uri|contains: 'logoimagehandler.ashx'
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sc-status: 500
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condition: selection1 or selection2
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fields:
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- client_ip
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- response
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falsepositives:
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- Unknown
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level: critical |