Talk:Christmas Tree EXEC

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I'm editting here[edit]

FYI, I'm the "Ross Patterson" from the RISKS Digest reference in the article. I'll be careful and only make changes that are supported by other sources. RossPatterson (talk) 01:07, 31 October 2008 (UTC)

Refusal to execute "CHRISTMAS"[edit]

The article states that "IBM's internal mainframes refuse to execute programs named CHRISTMAS". However, the article also states the file-name was and only could be 8 characters long (CHRISTMA). I'm thinking that the mainframes refused to execute CHRISTMA or this feature is just made-up. I haven't changed the article, since I don't know much about it... 82.34.233.236 (talk) 18:42, 1 March 2009 (UTC)

I've just deleted the comment. The {{Fact}} tag was six months old, so it looked like it would never get a reference. RossPatterson (talk) 20:04, 1 March 2009 (UTC)

Not entirely correct[edit]

IBM MVS systems have never been limited to 8 character filenames; only the member names of libraries, such as EXEC libraries, were limited to 8 characters. The "Christmas Tree EXEC" described here was actually not a worm so much as a spammy chain letter. GlennAllenII (talk) 16:36, 22 October 2009 (UTC)

It was VM/CMS systems, not MVS, and CMS files are (or were, prior to OpenEdition) named by a pair of 8-character tokens. Hence "CHRISTMA EXEC". One could argue about what it was, but what it most resembled 22 years ago was what we now generically call malware. It was a program, delivered over the net, which when run harvested addresses and sent itself to them from you. RossPatterson (talk) 18:32, 22 October 2009 (UTC)

Warning[edit]

There really needs to be a pop up or some kind of warning for the source code for the virus to warn you what you're about to open, because i thought the link was a SCREENSHOT of the worm, not the actual worm. I'm just lucky I have avast running real time. —Preceding unsigned comment added by Yutsi (talkcontribs) 03:53, 1 January 2010 (UTC)

Avast! didn't help you. It doesn't run on the only type of system where this worm can run. Nonetheless, the link to the source was removed about 8 months after your comment, and several years later the server hosting it was shut down. RossPatterson (talk) 00:51, 7 January 2013 (UTC)

Personal anecdote[edit]

I received this file, read the source code, went "Heh, that's cute", and executed it to send the Christmas card to my address book. I didn't think through the implication of what would happen if all the recipients did the same -- remember, this was before the RTFM worm. :-) --SarekOfVulcan (talk) 22:08, 4 February 2011 (UTC)

External links modified[edit]

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