""ET INFO Request for .bin with BITS/ User-Agent""

SID: 2024420

Revision: 7

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Microsoft_Word, attack_target Client_Endpoint, created_at 2017_06_23, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2018_02_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".bin"

  • Value: !"Referer|3a|"

  • Value: "User-Agent|3a 20|Microsoft BITS/"

  • Value: "Accept|3a 20|/|0d 0a|"

  • Value: !"microsoft.com|0d 0a|"

  • Value: !"pdfcomplete.com|0d 0a|"

  • Value: !"mymitchell.com|0d 0a|"

  • Value: !"azureedge.net|0d 0a|"

Within:

PCRE: "/.bin$/U"

Special Options:

  • http_uri

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source