""ET TROJAN BalkanDoor CnC Checkin - Server Response""

SID: 2027898

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_20, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_08_20

Reference:

  • md5

  • f70ef75fb0a51b05c43aaec973ac0bc1

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "[CFG]|0d 0a|di=" Depth: 10

  • Value: "|0d 0a|cn="

  • Value: "|0d 0a|du="

  • Value: "|0d 0a|int="

  • Value: "|0d 0a|rip="

  • Value: "|0d 0a|rpo="

  • Value: "|0d 0a|scr_dur="

  • Value: "|0d 0a|scr_int="

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source