""ET TROJAN Observed Mallox Ransomware Domain (whyers .io) in TLS SNI""

SID: 2046827

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_07_17, deployment Perimeter, malware_family mallox, performance_impact Low, signature_severity Major, tag Ransomware, updated_at 2023_07_17

Reference:

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|"

  • Value: "|00|"

  • Value: "whyers.io"

Within: 1

PCRE: "/^(?:\x00\x09|.\x2e)whyers.io/R"

Special Options:

source