""ET TROJAN [PTsecurity] Fake SSL Certificate Observed (Yahoo)""

SID: 2025412

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_03_12, deployment Perimeter, malware_family QRat, performance_impact Low, signature_severity Major, updated_at 2018_03_15

Reference:

  • md5

  • ce413a29e6cde5701a26e7e4e02ecc66

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 1024:

Destination Network: $HOME_NET

Destination Port: any

Flow:

Contents:

  • Value: "|55 04 06|"

  • Value: "|02|US"

  • Value: "|55 04 08|"

  • Value: "|07|Arizona"

  • Value: "|55 04 07|"

  • Value: "|07|Phoenix"

  • Value: "|55 04 0a|"

  • Value: "|12|Yahoo Widget, Inc."

  • Value: "|55 04 0b|"

  • Value: "|13|Yahoo|20|Widget|20|Bureau"

  • Value: "|55 04 03|"

  • Value: "|12|Yahoo Widget, Inc."

  • Value: "|55 04 06|"

  • Value: "|02|US"

  • Value: "|55 04 08|"

  • Value: "|07|Arizona"

  • Value: "|55 04 07|"

  • Value: "|07|Phoenix"

  • Value: "|55 04 0a|"

  • Value: "|12|Yahoo Widget, Inc."

  • Value: "|55 04 0b|"

  • Value: "|13|Yahoo|20|Widget|20|Bureau"

  • Value: "|55 04 03|"

  • Value: "|12|Yahoo Widget, Inc."

Within: 19

PCRE:

Special Options:

  • fast_pattern

source