""ET TROJAN MSIL/Injector.VVP Downloader Activity M1""

SID: 2034949

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_01_19, deployment Perimeter, signature_severity Major, updated_at 2022_04_18, reviewed_at 2024_06_26

Reference:

  • md5

  • 009934cd29110745347705ec4f877b6d

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".exe"

  • Value: "Mozilla/5.0|20 28|Windows NT|3b 20|Windows NT 6.1|3b 20|en-US|29 20|WindowsPowerShell/5.1.14409.1005"

  • Value: "Keep-Alive"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Connection\x3a\x20[^\r\n]+Keep-Alive/Hmi"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

source