""ET TROJAN Suspected Polonium CnC Initial Checkin M1""

SID: 2039478

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 2022_10_19, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2022_10_19

Reference:

  • md5

  • afd04a701ab4f65ceaa3660cded3bb9a

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/register.php"

  • Value: "/register.php"

  • Value: "data|3d 0a|Hostname|3a|" Depth: 15

  • Value: "Betriebssystemname|3a|"

  • Value: "Betriebssystemversion|3a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/Content-Type\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nContent-Length\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source