Anton Kutepov
48 lines
1.5 KiB
YAML
48 lines
1.5 KiB
YAML
title: Antivirus Web Shell Detection
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id: fdf135a2-9241-4f96-a114-bb404948f736
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description: Detects a highly relevant Antivirus alert that reports a web shell
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date: 2018/09/09
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modified: 2001/01/07
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author: Florian Roth, Arnim Rupp
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references:
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- https://www.nextron-systems.com/2019/10/04/antivirus-event-analysis-cheat-sheet-v1-7-2/
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- https://www.virustotal.com/gui/file/bd1d52289203866645e556e2766a21d2275877fbafa056a76fe0cf884b7f8819/detection
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- https://www.virustotal.com/gui/file/308487ed28a3d9abc1fec7ebc812d4b5c07ab025037535421f64c60d3887a3e8/detection
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- https://www.virustotal.com/gui/file/7d3cb8a8ff28f82b07f382789247329ad2d7782a72dde9867941f13266310c80/detection
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tags:
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- attack.persistence
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- attack.t1100
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- attack.t1505.003
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logsource:
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product: antivirus
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detection:
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selection:
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- Signature|startswith:
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- "PHP/Backdoor"
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- "JSP/Backdoor"
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- "ASP/Backdoor"
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- "Backdoor.PHP"
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- "Backdoor.JSP"
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- "Backdoor.ASP"
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- "Backdoor?Java"
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- Signature|contains:
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- "Webshell"
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- "Chopper"
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- "ASPXSpy"
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- "Aspdoor"
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- "PHP:"
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- "PHPShell"
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- "Trojan.PHP"
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- "Trojan.ASP"
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- "Trojan.JSP"
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- "PHP?Agent"
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- "ASP?Agent"
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- "JSP?Agent"
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condition: selection
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fields:
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- FileName
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- User
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falsepositives:
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- Unlikely
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level: critical
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