""ET TROJAN Observed Cobalt Strike CnC Domain (dimentos .com in TLS SNI)""

SID: 2032963

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 2021_05_17, deployment Perimeter, malware_family Cobalt_Strike, performance_impact Low, signature_severity Major, updated_at 2021_05_17

Reference:

  • md5

  • 4ffbffbde361609d7f2ea1c410d8272e

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|" Depth: 1

  • Value: "|01|"

  • Value: "|00 00 0c|dimentos.com"

Within:

PCRE:

Special Options:

source