""ET TROJAN 404 Response with an EXE Attached - Likely Malware Drop""

SID: 2009028

Revision: 14

Class Type: attempted-admin

Metadata: created_at 2010_07_30, updated_at 2017_11_10

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "404"

  • Value: "Not Found"

  • Value: "MZ"

  • Value: "PE|00 00|"

Within: 4

PCRE:

Special Options:

  • http_stat_code

  • http_stat_msg

  • file_data

  • fast_pattern

source