""ET TROJAN Trickbot Checkin Response""

SID: 2032218

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 2019_02_15, deployment Perimeter, malware_family TrickBot, signature_severity Major, updated_at 2023_05_19

Reference:

  • md5

  • 5d2d59d6cbff1dc1d108bdcae0294c51

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "Content-Type|3a 20|text/plain|0d 0a|"

  • Value: "Content-Length|3a 20|3|0d 0a|"

  • Value: "/1/" Depth: 3

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • http_header

  • fast_pattern

  • file_data

source