""ET TROJAN CozyDuke APT Possible SSL Cert 2""

SID: 2020967

Revision: 1

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:

  • md5

  • 859f167704b5c138ed9a9d4d3fdc0723

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|02 65 5d|"

  • Value: "|55 04 06|"

  • Value: "|02 2d 2d|"

  • Value: "|55 04 08|"

  • Value: "|09|SomeState"

Within: 10

PCRE:

Special Options:

  • fast_pattern

source