""ET TROJAN BlackTech/PLEAD TSCookie CnC Checkin M1""

SID: 2026565

Revision: 4

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_06, deployment Perimeter, malware_family TScookie, performance_impact Low, signature_severity Major, updated_at 2018_11_01

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET" Depth: 3

  • Value: ".aspx"

  • Value: "User-Agent|3a 20|Mozilla/4.0 |28|compatible|3b| MSIE 8.0|3b| Win32|29|"

  • Value: "|0d 0a|Cookie|3a 20|"

  • Value: "|0d 0a|Date|3a 20|"

  • Value: "|0d 0a|Connection|3a 20|"

  • Value: "|0d 0a|Pragma|3a 20|"

  • Value: "|0d 0a|Cache-Control|3a 20|"

Within:

PCRE: "/^[A-F0-9]{50,}\r\n/R"

Special Options:

source