""ET TROJAN Possible Royal Road Payload Retrieval Attempt""

SID: 2052285

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

  • b85316f68d9f1dbac481e3f397ebf1b0

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: "/doc/tmp.php?Data|3d|" Depth: 18

Within:

PCRE: "/^[a-zA-Z0-9%+/=]{10}/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

source