A security researcher has demonstrated how a mainstream dating app can covertly serve as malware infrastructure, concealing commands within profile photos and prompts.
Matt Wiese, a security researcher, demonstrated how Hinge, one of the world’s most popular dating apps, could be quietly repurposed as a command-and-control (C2) server for malware, turning profile photos, prompts, and public APIs into a covert communications channel.
Headquartered in New York, Hinge has around 30 million users globally. The app has generated $550 million in revenue and secured an 18% market share in the US dating app sector.
The proof-of-concept, shared publicly on GitHub, demonstrates how an attacker could exploit Hinge’s infrastructure to store and retrieve malicious payloads by hiding data within user-uploaded images and profile content.
Instead of relying on traditional C2 servers, which are increasingly easy for defenders to detect and block, the technique utilizes a mainstream consumer app that millions of people use daily.
At the core of the technique is a simple idea. Anything that can store and serve user-generated content can potentially be exploited as a dead drop for malware commands.
In this case, the researcher showed that Hinge profile photos, which are publicly accessible through undocumented but functional API endpoints, could be used to host data that malware could later retrieve.
“To demonstrate this proof of concept, we will be using a vibe-coded Python script that visually encodes a binary into an image. When a user uploads a photo, Hinge transforms it before storing it on their CDN,” the researcher explained.
In the experiment, the malicious data is visually encoded into images that resemble abstract digital art, but can be reconstructed by software on the other end.
The text field in user profiles, which users use to showcase their personality, adds another layer of flexibility for exploitation.
Because Hinge allows free-form responses to prompts, those fields could theoretically be used to store keys, instructions, or metadata needed to coordinate infected systems.
The result is a C2 channel that blends into normal dating app traffic, delivered through Hinge’s own content delivery network.
Because the content is hosted on Hinge’s legitimate infrastructure, traditional defenses struggle to tell the difference between malware traffic and someone scrolling through dating profiles. Blocking it outright would mean blocking a mainstream app.
Hinge is not the only suspect. According to researchers, the same technique could be applied to social media platforms, cloud storage services, forums, or any app that allows users to upload content and retrieve it programmatically.
Other security researchers, Mauro Eldritch and Luis Ramirez, have stated on DEF CON Talk that almost any online platform can be repurposed as a malware C2 server.
It could be anything from gaming platforms to everyday apps, and public data APIs can be abused to relay commands to compromised systems.
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