""ET EXPLOIT Possible Spectre PoC Download In Progress""

SID: 2025196

Revision: 3

Class Type: attempted-admin

Metadata: attack_target Client_Endpoint, created_at 2018_01_10, cve CVE_2017_5753, deployment Perimeter, malware_family Spectre_Exploit, performance_impact Low, signature_severity Major, updated_at 2018_02_02

Reference:

  • cve

  • 2017-5715

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "|E7 03 00 00|"

  • Value: "|48 0F AE|"

  • Value: "|48 0F AE 3D|"

  • Value: "|48 98|"

  • Value: "|0F 01 F9|"

  • Value: "|0F 01 F9|"

Within: 9

PCRE: "/^[\x30-\x3f\x7D]/Rs"

Special Options:

  • file_data

source