""ET TROJAN BunnyLoader CnC Checkin - Heartbeat""

SID: 2048402

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, created_at 2023_10_04, deployment Perimeter, malware_family BunnyLoader, performance_impact Low, confidence High, 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/Heartbeat.php?" Depth: 21

  • Value: "country="

  • Value: "ip="

  • Value: "host="

  • Value: "ver="

  • Value: "system=Windows"

  • Value: "privs="

  • Value: "av="

Within:

PCRE: "/ver=\d.\d/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

source