""ET TROJAN Possible TA399/SideWinder Related Empty .rtf Inbound""
SID: 2055129
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_08, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag Sidewinder, tag TA399, updated_at 2024_08_08
Reference:
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md5
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43d35b5b20f491be219ab2eaa172ec55
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
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Value: "Content|2d|Length|3a 20|8|0d 0a|"
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Value: "|7b 5c|rtf1|20 7d|"
Within:
PCRE:
Special Options:
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http_header
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file_data
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fast_pattern