""ET TROJAN MirrorBlast KiXtart Downloader Server Response""

SID: 2034110

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 2021_10_04, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2021_10_04

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "load_session=eyJpdiI6I"

  • Value: "200"

  • Value: "Content-Disposition|3a 20|attachment|3b 20|filename="

  • Value: ".rb|0d 0a|"

  • Value: "XSRF-TOKEN=eyJpdiI6I"

  • Value: "load_session=eyJpdiI6I"

Within: 32

PCRE: "/load_session=eyJpdiI6I.*(?:I(?:iwidmFsdWUiO|sInZhbHVlIjo)i|iLCJ2YWx1ZSI6I)/C"

Special Options:

  • http_stat_code

  • http_header

  • http_header

  • http_cookie

  • http_cookie

source