""ET WEB_SERVER Generic Webshell Accessed on Compromised Internal Server""
SID: 2030020
Revision: 2
Class Type: web-application-attack
Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_24, deployment Perimeter, signature_severity Critical, updated_at 2020_04_24
Reference:
Protocol: tcp
Source Network: $HTTP_SERVERS
Source Port: $HTTP_PORTS
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: established,to_client
Contents:
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Value: "Upload File : <input type=|22|file|22 20|name=|22|file|22|"
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Value: ">Name"
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Value: ">Size"
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Value: ">Permissions"
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Value: ">Options"
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Value: ""
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Value: ""
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Value: ""
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Value: "<form method=|22|POST|22 20|action=|22|?option&path="
Within:
PCRE:
Special Options:
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file_data
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fast_pattern
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nocase
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nocase
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nocase
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nocase
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nocase
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nocase
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nocase
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