""ET TROJAN APT Related CR4T Dropper Activity M1 (GET)""
SID: 2052236
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_04_23, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_04_23
Reference:
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md5
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5a04d9067b8cb6bcb916b59dcf53bed3
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: ".dll.xml"
Within:
PCRE: "/^User-Agent\x3a\x20[0-9a-f]{8}-(?:([0-9a-f]{4})-){3}[0-9a-f]{12}\r\n/Hm"
Special Options:
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http_method
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fast_pattern
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http_uri