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LockUp

Cellebrite UFED self-defense app
AppID:io.nekohasekai.lockup
Author:nekohasekai
License:CC0-1.0
Donation:
InRepoSince:2021-05-14
LastRepoUpdate:2021-05-14
LastAppUpdate:2021-05-12
LastVersion:1.0
Categories:Security
Google Play:Check if it's there
icon

LockUp is an Android application that will monitor the device for signs for attempts to image it using known forensic tools like the Cellebrite UFED. Here is a blog I wrote.

  • Proof-of-Concept. Not meant as an in-depth defense
  • Android API 28, Does not require root
  • Relies on RECEIVE_BOOT_COMPLETED to start a Service and AccessibilityService
  • Monitors USB events through ACTION_USB_DEVICE, package installations, and known exploit staging locations on the filesystem
  • Detects Logical Extractions, File System Extractions, and Physical Extractions leveraging ADB
  • Will automatically respond with a factory reset with DeviceAdminReceiver
  • Beginning steps to researching more robust anti-forensic techniques

Signature Detection:

  • Exploit staging directories and known filenames
  • Known file hashes
  • Application names and certificate metadata

Packages

Version 1.0 (2021-05-12)

Android Versions:
  • Target: 11.0
  • MinVer: 9.0
8 Libraries detected:

Download (811 k)