SID: 2034163

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_10_11, deployment Perimeter, malware_family Fin12, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2021_10_11

Reference:

  • md5

  • f1c35cf848d984785e9c0621958fe5ae

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 06|"

  • Value: "|02|US"

  • Value: "|06 03 55 04 08|"

  • Value: "|02|TX"

  • Value: "|06 03 55 04 07|"

  • Value: "|05|Texas"

  • Value: "|06 03 55 04 0a|"

  • Value: "|0c|serviceswork"

  • Value: "|06 03 55 04 0b|"

  • Value: "|00|"

  • Value: "|06 03 55 04 03|"

  • Value: "|10|serviceswork.net"

Within: 17

PCRE:

Special Options:

  • fast_pattern

source