""ET TROJAN Python Typosquatting Domain (files .pypihosted .org) in TLS SNI""

SID: 2051784

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Any, attack_target Client_and_Server, created_at 2024_03_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_03_25

Reference:

  • md5

  • fdb9474dbfcfc86b7f8145ef79a226b6

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00 14|files.pypihosted.org"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source