""ET TROJAN Filename svchost.exe Download - Common Hostile Filename""

SID: 2020198

Revision: 4

Class Type: trojan-activity

Metadata: created_at 2015_01_16, updated_at 2015_01_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "filename="

  • Value: "svchost.exe"

Within: 11

PCRE: "/^Content-Disposition\x3a attachment\x3b filename=[\x27\x22]svchost.exe[\x22\x27]\r\n/Hmi"

Special Options:

  • http_header

  • nocase

  • http_header

  • fast_pattern

source