Half of the Websites Using WebAssembly Use it for Malicious Purposes

Peter Reutemann <[email protected]> Thu, 9 Jan 2020 09:51:28 +1300
Newsgroups gmane.org.user-groups.linux.waikato
Message-ID <CAHoQ12J9b6FVWPOpJXMOpY9YfDqDcfuDxoA3OKJfHaLx7_Ddnw@mail.gmail.com>
'Around half of the websites that use WebAssembly, a new web
technology, use it for malicious purposes, according to academic
research published last year. From a report:

WebAssembly is a low-level bytecode language that was created after a
joint collaboration between all major browser vendors. It introduces a
new binary file format for transmitting code from a web server to a
browser. Once it reaches the browser, WebAssembly code (Wasm) executes
with near-native speed, similar to compiled C, C++, or Rust code.
WebAssembly was created for both speed and performance. Due to its
binary machine-friendly format, Wasm code is smaller than its
equivalent JavaScript form, but also many times faster when executing.
This has made WebAssembly the next incarnation of Adobe Flash,
allowing websites to run complex CPU-intensive code without freezing a
browser, a task for which JavaScript was never designed or optimized
for.'

-- source: https://it.slashdot.org/story/20/01/08/1421216

Cheers, Peter
-- 
Peter Reutemann
Dept. of Computer Science
University of Waikato, NZ
+64 (7) 858-5174
http://www.cms.waikato.ac.nz/~fracpete/
http://www.data-mining.co.nz/
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