""ET INFO Dropbox paper Document Request Observed""
SID: 2052813
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Any, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_21, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, tag TA_Abused_Service, updated_at 2024_05_21
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "GET"
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Value: "/scl/fi/" Depth: 8
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Value: ".paper|3f|rlkey|3d|"
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Value: "Host|3a 20|www.dropbox.com|0d 0a|"
Within:
PCRE: "/.paper\x3frlkey\x3d[a-zA-Z0-9]{21}/U"
Special Options:
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http_method
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http_uri
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http_uri
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fast_pattern
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http_header