""ET WEB_CLIENT Google Chrome Credential Stealing via SCF file Reflected Request""

SID: 2025060

Revision: 1

Class Type: attempted-recon

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Google_Chrome, attack_target Client_Endpoint, created_at 2017_11_27, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2017_11_27

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "shell"

  • Value: "IconFile"

  • Value: "|5c 5c|"

Within:

PCRE: "/Shell.%0a\sIconFile\s=\s\x5c\x5c/iI"

Special Options:

  • nocase

  • http_uri

  • http_uri

  • nocase

  • http_raw_uri

source