""ET TROJAN Qwerty Stealer C2 Response""

SID: 2055397

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 TLSDecrypt, created_at 2024_08_22, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_08_22

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: "acbde"

Within:

PCRE: "/^Content-Type\x3a\x20[^\r\n]+acbde/Hmi"

Special Options:

  • http_stat_code

  • http_header

  • fast_pattern

source