""ET EXPLOIT Hikvision IP Camera RCE Attempt (CVE-2021-36260)""

SID: 2034630

Revision: 2

Class Type: attempted-admin

Metadata: affected_product IP_Camera, attack_target Networking_Equipment, created_at 2021_12_08, cve CVE_2021_36260, deployment Perimeter, deployment Internal, performance_impact Low, signature_severity Major, updated_at 2021_12_08

Reference:

  • cve

  • 2021-36260

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: [$HTTP_PORTS,81]

Flow: established,to_server

Contents:

  • Value: "PUT /SDK/webLanguage" Depth: 20

  • Value: "|3c|language|3e|"

Within:

PCRE: "/^(?:[\x60\x3b\x7c]|%60|%3b|%7c|%26|(?:[\x3c\x3e\x24]|%3c|%3e|%24)(?:\x28|%28))/R"

Special Options:

  • fast_pattern

  • nocase

source