""ET TROJAN Win32/Luca Stealer Sending System Information via Telegram (GET)""

SID: 2044524

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_08, deployment Perimeter, deployment SSLDecrypt, malware_family LucaStealer, performance_impact Low, signature_severity Major, updated_at 2023_03_21, reviewed_at 2023_11_28

Reference:

  • md5

  • 49d57061203091edfdeee7ec378811ea

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: "/bot" Depth: 4

  • Value: "/sendDocument?chat_id="

  • Value: "&caption|3d 0a 2d 20|IP|20|Info|20 2d 0a 0a|IP|3a 20|"

  • Value: "|0a 2d 20|PC|20|Info|20 2d 0a|"

  • Value: "|0a|GPU|3a 20 0a|"

  • Value: "|0a|FileLocation|3a 20|"

  • Value: "Host|3a 20|api.telegram.org"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_header

  • nocase

source