""ET WEB_CLIENT BottleEK Plugin Check JS""

SID: 2029123

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_12_12, deployment Perimeter, signature_severity Major, updated_at 2019_12_12

Reference:

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: "application/javascript"

  • Value: "hasFlash=0x1"

  • Value: "flashVersion=parseInt(VSwf"

  • Value: "new RegExp('MSIE|5c|x20(|5c|x5cd+|5c|x5c.|5c|x5cd+)|3b|')|3b|"

  • Value: "))|3b|if(user==''){setCookie("

  • Value: "'data':{'data1':chk,'data2':is64,'data3':fls"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • file_data

  • fast_pattern

source