""ET EXPLOIT [FIREEYE] Suspicious Pulse Secure HTTP Request (CVE-2021-22893) M1""
SID: 2032904
Revision: 1
Class Type: attempted-admin
Metadata: affected_product Pulse_Secure, attack_target Server, created_at 2021_05_05, cve CVE_2021_22893, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2021_05_05
Reference:
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cve
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2021-22893
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: any
Flow: established,to_server
Contents:
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Value: "/dana" Depth: 7
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Value: !"welcome.cgi"
Within:
PCRE: "/\/dana\S{0,7}\/(?:meeting|fb\/smb|namedusers|metric)/Ui"
Special Options:
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fast_pattern
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http_uri
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http_uri