""ET TROJAN PlanetStealer CnC Checkin - Server Response""

SID: 2051491

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_05, deployment Perimeter, malware_family PlanetStealer, performance_impact Low, confidence High, signature_severity Major, tag InfoStealer, tag PlanetStealer, updated_at 2024_03_05

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "content-length|3a 20|66|0d 0a|"

  • Value: "|7b 22|success|22 3a|true|2c 22|callback|22 3a 22|" Depth: 28

Within:

PCRE: "/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}\x22\x7d/R"

Special Options:

  • http_stat_code

  • http_header

  • file_data

  • fast_pattern

source