""ET TROJAN QwixxRAT - Telegram CnC Checkin""

SID: 2047647

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_08_14, deployment Perimeter, deployment SSLDecrypt, malware_family QwixxStealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_08_14

Reference:

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: "/sendMessage?chat_id="

  • Value: "text|3d e2 98 a0 20|Qwixx|20|Steal"

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

Within:

PCRE: "/Host\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\n\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • fast_pattern

  • http_header

source