""ET TROJAN CoreDDRAT KeepAlive Message""

SID: 2029726

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_03_23, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_03_23

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 1024:

Flow: established,to_server

Contents:

  • Value: "|74 69 6d 65 2f 44 44 48 63 6b 2f 2e|" Depth: 12

  • Value: "|2d 48 63 6b|"

Within:

PCRE:

Special Options:

  • fast_pattern

source