""ET TROJAN Win32/BumbleBee Loader Activity (GET)""

SID: 2035387

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_03_03, deployment Perimeter, deployment SSLDecrypt, malware_family Bumblebee_Loader, signature_severity Major, updated_at 2022_03_03

Reference:

  • md5

  • 3f34d94803e9c8bc0a9cd09f507bc515

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET /gate HTTP/1.1"

  • Value: "User-Agent|3a 20|bumblebee|0d 0a|"

  • Value: "|22|client_id|22|"

  • Value: "|22|group_name|22|"

  • Value: "|22|sys_version|22|"

  • Value: "User name|3a 20|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source