""ET EXPLOIT Amcrest Camera and NVR Buffer Overflow Attempt (CVE-2020-5735)""

SID: 2034257

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2021_10_27, cve CVE_2020_5735, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2021_10_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application

Reference:

  • cve

  • 2020-5735

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: 37777

Flow: established,to_server

Contents:

  • Value: "|62 00 00 00|" Depth: 4

  • Value: "Protocol|3a 20|"

  • Value: "|0d 0a|"

  • Value: "Protocol|3a 20|"

Within:

PCRE:

Special Options:

  • http_cookie

  • http_cookie

  • http_cookie

  • fast_pattern

source