By Johannes B. Ullrich, Ph.D. Analysis of a Paypal Phishing Kit
https://isc.sans.edu/forums/diary/Analysis+of+a+Paypal+phishing+kit/22726/
ShadowPad Backdoor in NetSarang Equipment
https://securelist.com/shadowpad-in-corporate-networks/81432/
Solving Captcha Audio Challenges
http://uncaptcha.cs.umd.edu/papers/uncaptcha_woot17.pdf
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