""ET TROJAN NimPlant Register Activity M2 (POST)""

SID: 2044349

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_02_27, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2023_02_27

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/register"

  • Value: "|0d 0a|X-Identifier|3a 20|"

  • Value: "|7b 22|data|22 3a 22|" Depth: 9

  • Value: "Accept-Encoding|3a 20|gzip|0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nX-Identifier\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\n\r\n$/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_client_body

  • http_header

  • http_header

source