""ET MALWARE Win32/VrBrothers Checkin""

SID: 2044832

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_29, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2023_03_29

Reference:

  • md5

  • 1a128e28c626a706a6f0e65afb89efbe

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|7b 22|DataList|22 3a 22 5b 7b 5c 22|ActionKey|5c 22 3a 5c 22|" Depth: 31

  • Value: "|5c 22 2c 5c 22|ClientCPU|5c 22 3a 5c 22|"

  • Value: "|5c 22 2c 5c 22|ClientRAM|5c 22 3a 5c 22|"

  • Value: "|5c 22 2c 5c 22|OSTypeName|5c 22 3a 5c 22|"

  • Value: "POST|20|/api/StatData/ProductStatLogs|20|" Depth: 35

Within:

PCRE:

Special Options:

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

source