""ET TROJAN Observed DCRat CnC Domain in TLS SNI""

SID: 2030669

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_10, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2020_08_10

Reference:

  • md5

  • 2e2a6ca2a4058c8a141ff23c3433bcc6

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 13|flexym.myarena.site"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source