README

This is the artifact for our USENIX SECURITY 2025 Paper "HyTrack: Resurrectable and Persistent Tracking Across Android Apps and the Web".
We propose a new mobile tracking technique and search for it in the wild.

Structure of the Artifact

The artifact is divided into subfolders:

• demo: Contains a demo video of HyTrack in action, as well as a description of the demo.
• PoC: Contains the proof-of-concept implementation of HyTrack: Two Android apps and a web server.
• webscrape: Contains our webscraper to scrape `assetlinks.json` files from the web.
• dynamicanalysis: Contains our pipeline for the dynamic app network analysis.
• staticanalysis: Contains our pipeline for the static app analysis.

Usage

Refer to the READMEs in the respective subfolders.

Cite Us

@inproceedings{USENIX:Wessels:2025,
	title        = {HyTrack: Resurrectable and Persistent Tracking Across Android Apps and the Web},
	author       = {Malte Wessels and Simon Koch and Jan Drescher and Louis Bettels and David Klein and Martin Johns},
	year         = 2025,
	month        = aug,
	booktitle    = {34th USENIX Security Symposium (USENIX Security 25)},
	publisher    = {USENIX Association},
	address      = {Seattle, WA}
}