""ET TROJAN Trickbot Payload Request""

SID: 2024901

Revision: 5

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_10_23, deployment Perimeter, performance_impact Significant, signature_severity Major, tag Trickbot, updated_at 2024_04_08

Reference:

  • md5

  • 2c6cd25a31fe097ee7532422fc8eedc8

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".png HTTP/1.1|0d 0a|Host|3a 20|"

  • Value: !"Accept"

  • Value: !"Referer|3a|"

  • Value: !"User-Agent|3a|"

Within:

PCRE: "/^\/(?:kas|ser|mac)[0-9]+.png$/Ui"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

source