""ET TROJAN Latrodectus Related Activity (POST)""

SID: 2051602

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2024_03_11, deployment Perimeter, signature_severity Major, tag c2, updated_at 2024_03_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

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: ".php"

  • Value: "Cookie|3a 20|download_token=eyJ0eXAiOiJ"

  • Value: "download_token=eyJ0eXAiOiJ" Depth: 26

Within:

PCRE: "/^\x2f(?:[a-zA-Z]{2})\x2ephp$/U"

Special Options:

  • http_method

  • http_uri

  • http_cookie

source