""ET TROJAN BlackTech Plead Encrypted Payload Inbound""

SID: 2027364

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_05_17, deployment Perimeter, malware_family Plead, performance_impact Low, signature_severity Major, tag APT, tag BlackTech, updated_at 2019_10_24

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "|91 00 13 87 33 00 90 06 19|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source