""ET TROJAN Win32/Trojan.Nymeria CnC Activity (GET) M2""

SID: 2034443

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 2021_11_12, deployment Perimeter, signature_severity Major, updated_at 2021_11_12, reviewed_at 2023_09_19

Reference:

  • md5

  • 3fe6b67ca8cc95875dd1fe9f1ec7dc90

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: ".php?cmd=Name"

  • Value: !"Referer|3a 20|"

  • Value: "User-Agent|3a 20|AutoIt|0d 0a|"

  • Value: "Cache-Control|3a 20|no-cache|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

  • http_header

  • http_header

source