""ET TROJAN Win32/BlackSun.B Retrieving Payload""

SID: 2045311

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_05_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_03

Reference:

  • md5

  • 008e8ebdcfd68dcc065205c611b57834

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: "/web/getcommand.php?getcmd=" Depth: 27

  • Value: "&uid="

  • Value: "&port="

  • Value: "blacksun"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+blacksun/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

  • nocase

source