""ET TROJAN Win32/Neshta Variant Related Activity (POST)""

SID: 2052280

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, tls_state plaintext, created_at 2024_04_29, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_04_29

Reference:

  • md5

  • 6767f8292814a48db7fa79e8572a324f

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: "/api/mytest" Depth: 11

  • Value: "User-Agent|3a 20|NZT|20|1.0|0d 0a|"

  • Value: "|0d 0a 0d 0a|"

  • Value: "|7b 22|username|22 3a 22|"

Within:

PCRE: "/\/mytest$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • base64_data

source