""ET EXPLOIT Shenzhen TVT DVR/NVR/IPC ConfigSyncProc RCE Attempt""

SID: 2036275

Revision: 1

Class Type: trojan-activity

Metadata: affected_product DVR, attack_target Networking_Equipment, created_at 2022_04_19, deployment Perimeter, deployment Internal, performance_impact Low, signature_severity Major, updated_at 2022_04_19

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: 4567

Flow: established,to_server

Contents:

  • Value: "GET /saveSystemConfig" Depth: 21

  • Value: "|0d 0a|{D79E94C5-70F0-46BD-965B-E17497CCB598}|20|2|0d 0a 0d 0a|DAAAAAEAAAADAAAAIQACAAEABA"

Within:

PCRE:

Special Options:

  • fast_pattern

source