""ET INFO [TW] Likely Javascript-Obfuscator Usage Observed M3""

SID: 2036302

Revision: 3

Class Type: misc-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_21, deployment Perimeter, performance_impact Significant, signature_severity Informational, updated_at 2022_04_27

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: to_client,established

Contents:

  • Value: "text/html"

  • Value: "return _0x"

  • Value: "_0x"

  • Value: "_0x"

  • Value: !"FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT"

  • Value: !"/cdn-cgi/bm/cv/result?req_id="

Within: 100

PCRE: "/^[a-f0-9]+/Ri"

Special Options:

  • http_header

  • file_data

  • fast_pattern

source