""ET TROJAN TA430/Andariel APT Related DLRAT Activity (POST)""

SID: 2049656

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_12_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_12_12

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: ".php|20|"

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

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/\r\nContent-Type\x3a\x20multipart/form-data\x3b\x20boundary\=[0-9a-f]{8}(?:(-[0-9a-f]{4}){3})-[0-9a-f]{12}\r\n/"

Special Options:

  • fast_pattern

source