""ET TROJAN Win32/Bumblebee Loader Checkin Activity (set)""

SID: 2047945

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_09_07, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2024_02_07, reviewed_at 2024_04_08

Reference:

  • md5

  • 270103c51888a8e98972283c825d84cd

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|00 00 00|"

Within:

PCRE:

Special Options:

  • fast_pattern

source