""ET TROJAN Observed Epsilon Stealer Domain (epsilon1337 .com) in TLS SNI""

SID: 2047932

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2023_09_06, deployment Perimeter, malware_family Epsilon_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_09_06, reviewed_at 2023_09_06

Reference:

  • md5

  • 1021bb01e0a8279b3cf55406c9855762

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: "epsilon1337.com"

Within: 1

PCRE: "/^(?:\x00\x0f|.\x2e)epsilon1337.com/R"

Special Options:

source