""ET TROJAN Observed Malicious SSL Cert (SilentLibrarian)""

SID: 2037232

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2022_06_30, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2022_06_30

Reference:

• Link

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 03|"

• Value: "edou.me"

Within: 8

PCRE: "/^(?:\x07|\x2e)edou.me/R"

Special Options:

source