""ET TROJAN BunnyLoader CnC Checkin - Retrieve Tasking""

SID: 2048399

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, created_at 2023_10_04, deployment Perimeter, malware_family BunnyLoader, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_11_15, reviewed_at 2023_10_11

Reference:

  • md5

  • dbf727e1effc3631ae634d95a0d88bf3

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: "/Bunny/TaskHandler.php?BotID="

Within:

PCRE: "/BotID\x3d[A-Z0-9]{10}$/Ui"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

source