""ET TROJAN Sidewinder Stage 2 VBS Downloader Reporting Successful Infection""

SID: 2026545

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_24, deployment Perimeter, malware_family Sidewinder, performance_impact Low, signature_severity Major, tag VBS, updated_at 2018_10_24

Reference:

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: "/plugins/" Depth: 9

  • Value: "/true/true/done"

  • Value: "User-Agent|3a 20|"

  • Value: "WinHttp.WinHttpRequest."

  • Value: "|29 0d 0a|"

  • Value: "Referer|3a|"

  • Value: !"Cache"

Within:

PCRE: "/\/true\/true\/done$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source