""ET EXPLOIT Cisco IOS XE Web Server Implant Check (CVE-2023-20198) M3""
SID: 2049103
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Networking_Equipment, created_at 2023_11_07, cve CVE_2023_20198, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2023_11_07
Reference:
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cve
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2023-20198
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: any
Flow: established,to_server
Contents:
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Value: "POST"
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Value: "|2f|webui|2f|logoutconfirm|2e|html|3f|menu|3d|1"
Within:
PCRE:
Special Options:
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http_method
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http_uri
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fast_pattern