""ET POLICY Self Signed SSL Certificate (SomeOrganizationalUnit)""

SID: 2013659

Revision: 6

Class Type: policy-violation

Metadata: attack_target Client_Endpoint, created_at 2011_09_15, deployment Perimeter, signature_severity Informational, tag SSL_Malicious_Cert, updated_at 2022_03_23

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|06 03 55 04 0b|"

  • Value: "|16|SomeOrganizationalUnit"

Within: 23

PCRE:

Special Options:

  • fast_pattern

source