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Line 66: HTA have been used to deliver malware.<ref>{{Cite web\|url=https://www.vmray.com/cyber-security-blog/spora-ransomware-dropper-hta-infect-system/\|title=Spora Ransomware Dropper Uses HTA to Infect System\|date=2017-01-17\|website=VMRay\|language=en-US\|access-date=2018-12-22}}</ref><ref>{{Cite web\|url=https://blog.netwrix.com/2017/06/01/nine-scariest-ransomware-viruses/\|title=8 Scariest Ransomware Viruses\|language=en-US\|access-date=2018-12-22}}</ref> One particular HTA, named ''[[4chan]].hta'' (detected by antiviruses as JS/Chafpin.gen), was widely distributed by the users of the imageboard as a [[steganographic]] image in which the user were instructed to download the picture as an HTA file, which when executed, would cause the computer to automatically spam the website (evading 4chan's [[CAPTCHA]] in the process) with alternate variants of itself; it was reported that such attacks were previously delivered in which the user was prompted to save it as a [[JavaScript\|.js]] file.<ref>{{cite web \|last1=Constantin \|first1=Lucian \|title=4chan Flood Script Is Back with New Social Engineering Trick \|url=https://news.softpedia.com/news/4chan-Flood-Script-Is-Back-with-New-Social-Engineering-Trick-151603.shtml \|website=Softpedia \|access-date=2021-11-09 \|date=2010-08-10}}</ref> ==Example== ~~def distance_between_points(lat1, lon1, lat2, lon2):~~ This is an example of [[Hello World]] as an HTML Application. ~~"""Calculates the distance between two latitude-longitude points.~~ ~~Args:~~ <syntaxhighlight lang="html"> ~~lat1: The latitude of the first point.~~ <HTML> ~~lon1: The longitude of the first point.~~ <HEAD> ~~lat2: The latitude of the second point.~~ <HTA:APPLICATION ID="HelloExample" ~~lon2: The longitude of the second point.~~ BORDER="bold" ~~Returns:~~ BORDERSTYLE="complex"/> ~~The distance between the two points in kilometers.~~ <TITLE>HTA - Hello World</TITLE> ~~"""~~ </HEAD> ~~# Convert the latitude and longitude values to radians.~~ <BODY> ~~lat1 = math.radians(lat1)~~ <H2>HTA - Hello World</H2> ~~lon1 = math.radians(lon1)~~ </BODY> ~~lat2 = math.radians(lat2)~~ </HTML> ~~lon2 = math.radians(lon2)~~ </syntaxhighlight> ~~# Calculate the distance between the two points.~~ ~~d = math.acos(~~ ~~math.sin(lat1) * math.sin(lat2) +~~ ~~math.cos(lat1) * math.cos(lat2) * math.cos(lon1 - lon2))~~ ~~# Convert the distance to kilometers.~~ ~~return d * 6371~~ == See also ==

HTML Application: Difference between revisions