""ET TROJAN Microsoft Outlook Requesting .rtf""
SID: 2055081
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, updated_at 2024_08_08
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "|2e|rtf"
-
Value: "User-Agent|3a 20|Mozilla|2f|4|2e|0|20 28|compatible|3b 20|MSIE|20|7|2e|0|3b 20|Windows|20|NT"
-
Value: "ms|2d|office|3b 20|MSOffice"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/|2e|rtf$/U"
Special Options:
-
http_method
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http_uri
-
fast_pattern
-
http_header
-
http_header