""ET TROJAN ViperSoftX HTTP CnC Activity""

SID: 2043167

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2023_01_03, malware_family ViperSoftX, updated_at 2023_01_03

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: "/api/v1/" Depth: 8

  • Value: !"?"

  • Value: "User-Agent|3a 20|" Depth: 12

  • Value: "WindowsPowerShell"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+WindowsPowerShell[^\r\n]+\r\nHost\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source