They chose Silo for Research for mainly three reasons: Many security professionals and OSINT analysts use Silo for Research (Toolbox) instead of a regular browser when conducting online investigations that involve the collection and analysis of image metadata.
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His warning: “JPG malware is not that common, but it can be very nasty.” How to conduct secure image research?
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In this case, the exploit code was hidden in the Exif data header of a JPEG image. Security researcher Shyam Sundar Ramaswami recently documented an example found in the wild on the Cisco Umbrella blog. The second, lesser-known reason is that Exif data can be used to hide malware in image files to launch a multi-stage attack on the device where the picture is viewed. The first reason most social media services give for stripping Exif data from user-uploaded pictures is to protect member privacy and prevent abuse.Įxif data of family photos taken at home, for example, can open the door for doxxing, the publication of private information (such as the residential address) of people against their will, for example of critical journalists, or for cyberstalking. The first is obvious – the second, not so much, but online researchers better be aware of it. What prompted social media services to remove Exif data? There are mainly two reasons. This makes them go-to sources for Open Source Intelligence (OSINT) researchers and investigators.
User-uploaded digital camera and smartphone images in online forums, including on the dark web, and blog pictures often still contain Exif data. Several social media platforms have begun to remove Exif data from images or replace it with their own (tracking) code. tracking down of human traffickers and their victims and investigations of the illegal arms and drug trade on the Dark Web.Īnd before you ask – yes, Exif data can also be manipulated, replaced, or stripped from digital pictures altogether.discovery of and publication of war crimes.media investigations of Russian interference in the 2016 presidential elections in the U.S.,.
Recent examples where Exif data analysis played a crucial role: More recently, corporate security and protective intelligence professionals, private investigators, investigative journalists, and fact-checking outlets routinely conduct image research and metadata analysis. Image (metadata) analysis has long been a staple of intelligence collection by federal agencies such as the NSA, CIA, DEA, and FBI, as well as numerous other law enforcement, public safety, and digital forensics experts. For the Flash Report, our analysts used the FotoForensics app and a photo of a container vessel from a ship-spotting forum. The document describes how to use specialized tools to extract information about where an image was taken, the camera make and model, and other details. The overview, titled What is Exif Data?, explains how to distill relevant information from Exchangeable Image File Format (Exif) data. To illustrate a typical workflow for you, Authentic8’s Open Source Intelligence (OSINT) team has created a Flash Report based on a real-world example.
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