""ET EXPLOIT Possible Microsoft Edge Chakra.dll Type Confusion (CVE-2016-7200 CVE-2016-7201) Observed in SunDown EK 2""

SID: 2023701

Revision: 1

Class Type: attempted-user

Metadata: affected_product Microsoft_Edge_Browser, attack_target Client_Endpoint, created_at 2017_01_06, cve CVE_2016_7200, deployment Perimeter, signature_severity Critical, tag Exploit_Kit_Sundown, updated_at 2017_01_06

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "rop.length"

  • Value: "Write64"

Within:

PCRE: "/^\s\x28\sretPtrAddr.add\s\x28\si\s*\s8\s\x29\s,\srop\s\x5b/Rsi"

Special Options:

  • file_data

  • fast_pattern

  • nocase

  • nocase

source