""ET TROJAN CozyDuke APT Possible SSL Cert 8""

SID: 2020974

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_04_22, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2015_04_22

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|02 5f 31|"

  • Value: "|55 04 06|"

  • Value: "|02|--"

  • Value: "|55 04 07|"

  • Value: "|08|SomeCity"

  • Value: "|0d 01 09 01|"

  • Value: "|1a|root@localhost.localdomain"

Within: 27

PCRE:

Special Options:

  • fast_pattern

source