""ET POLICY Possible Trojan File Download bad rar file header (not a valid rar file)""

SID: 2008782

Revision: 4

Class Type: bad-unknown

Metadata: attack_target Client_and_Server, created_at 2010_07_30, deployment Perimeter, former_category POLICY, confidence High, signature_severity Minor, updated_at 2023_05_04

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "Content-Type|3a| application|2f|octet-stream"

  • Value: "|0d 0a 0d 0a 52 61 72 21|"

  • Value: !"|1A 07|"

Within: 2

PCRE:

Special Options:

  • http_header

source