""ET TROJAN Microsoft Word HTTP Request for .rtf Payload""

SID: 2055080

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: "|2e|rtf"

  • Value: "User-Agent|3a 20|Microsoft|20|Office|20|Word"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/|2e|rtf$/U"

Special Options:

  • http_uri

  • http_header

  • http_header

source