""ET TROJAN Observed Qwerty Stealer Domain (mailservicess .com) in TLS SNI""

SID: 2055392

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 2024_08_22, deployment Perimeter, malware_family Qwerty_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_08_22

Reference:

• Link

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 11|mailservicess.com"

Within: 8

PCRE:

Special Options:

• fast_pattern

source