""ET INFO Possible MSXMLHTTP Request (no .exe)""

SID: 2022049

Revision: 7

Class Type: misc-activity

Metadata: created_at 2015_11_09, performance_impact Moderate, updated_at 2024_04_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: "HTTP/1.1|0d 0a|Accept|3a 20|/|0d 0a|Accept-Encoding|3a 20|gzip, deflate|0d 0a|User-Agent|3a 20|Mozilla/4.0 (compatible|3b| MSIE 7.0|3b| Windows NT"

  • Value: !"|0d 0a|Cookie|3a|"

  • Value: !"Referer|3a|"

  • Value: !"Accept-Language|3a|"

  • Value: !"UA-CPU|3a|"

  • Value: !".exe"

  • Value: !".msi"

  • Value: !".msp"

Within:

PCRE: "/^[^\r\n]+\r\nHost\x3a\x20/R"

Special Options:

  • http_header

  • http_header

  • http_header

  • nocase

  • http_uri

  • nocase

  • http_uri

  • nocase

  • http_uri

source