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Yahoo Hacked

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Re: Yahoo Hacked

#81
post #30

Frick. A .pl CGI script on a production box? All the yapache & yphp security fixes and is all undone by a a .pl with +ExeCGI. They used to run "crack days" where all of us used to get kicks out of breaking & entering prod, whatever means available. Was a fun way to weed through such low-hanging issues, by a highly motivated (i.e otherwise bored) crowd. I wonder if they still have them.

What's wrong with a Perl CGI script?

Re: Yahoo Hacked

#82
post #76

Earlier quoted context omitted.

I think therein lies the problem: yapache. It's their own version of (modified) Apache. So when these bugs like shellshock come out, it's harder to patch your own home-grown version.

Not sure that's the problem though. yapache and yphp solve a very important need and probably saved Yahoo!'s ass on multiple occasions with engineers making lazy or common mistakes. There might have been a better way to implement it but with a company the size of Yahoo! I think they'd have the resources to maintain/patch such critical flaws. So the idea of a home-grown (really it's more of a patched version of apache…

The idea of still using Apache / PHP nowadays is pretty crazy if you ask me.

Re: Yahoo Hacked

#83
post #30

Frick. A .pl CGI script on a production box? All the yapache & yphp security fixes and is all undone by a a .pl with +ExeCGI. They used to run "crack days" where all of us used to get kicks out of breaking & entering prod, whatever means available. Was a fun way to weed through such low-hanging issues, by a highly motivated (i.e otherwise bored) crowd. I wonder if they still have them.

Golly. Who was this "they" and "all of us"?

Re: Yahoo Hacked

#84
post #76

Earlier quoted context omitted.

I think therein lies the problem: yapache. It's their own version of (modified) Apache. So when these bugs like shellshock come out, it's harder to patch your own home-grown version.

Not sure that's the problem though. yapache and yphp solve a very important need and probably saved Yahoo!'s ass on multiple occasions with engineers making lazy or common mistakes. There might have been a better way to implement it but with a company the size of Yahoo! I think they'd have the resources to maintain/patch such critical flaws. So the idea of a home-grown (really it's more of a patched version of apache…

Nobody was really working on yapache when I worked there around 2 years ago.

Re: Yahoo Hacked

#85
post #76

Earlier quoted context omitted.

Not sure that's the problem though. yapache and yphp solve a very important need and probably saved Yahoo!'s ass on multiple occasions with engineers making lazy or common mistakes. There might have been a better way to implement it but with a company the size of Yahoo! I think they'd have the resources to maintain/patch such critical flaws. So the idea of a home-grown (really it's more of a patched version of apache…

The idea of still using Apache / PHP nowadays is pretty crazy if you ask me.

I could say the same about most of the supposed superior replacements.

Everything is dangerous in the hands of idiots. The technology is almost entirely irrelevant to the discussion.

Re: Yahoo Hacked

#86
post #21

This writeup doesn't really get to the point so, the tl;dr He was looking for places to exploit shellshock by googling for cgi scripts. Most of the ones he did find had already been hit by someone using a perl script that made them join an irc channel that was being used as CnC. He also joined it and monitored it. A bunch of different yahoo boxes were in the channel and he saw some of them get rooted.

The servers compromised were more like content servers though, not user data servers? Yahoo says no user data was accessed. But could the affected servers be used to more easily get at user databases from 'inside'?

Re: Yahoo Hacked

#88

Not mentioned in the title, but important: Winzip.com has been hacked as well. Do not trust their binaries. Either this will be headline news tomorrow, or it will be suppressed in its entirety. The OP will probably go to prison, unfortunately, as they will not differentiate between this and black hat intrusion - the case will be judged by someone who saw his nephew using a computer, once, and they will go after him,…

TIL - people still use WinZip

It is surprising how many 90s tools remain popular today: WinZip, WinRar, WinAmp, CCleaner, Icq, Real Player, etc.

People just get into using something and simply never stop. Then there's the comfort barrier to switching (e.g. I know how to use WinZip but 7Zip is new and unfamiliar).

CCleaner is still popular with low level tech support types, which is quite ironic as it damages the Windows Registry on later versions of the OS. There is also built in tools (Disk Cleaner, Recycling Bin maximum size, auto-Defrag/Trim, etc) which accomplish most of the same things.

Teachers use Real Player. Several nationalities (Russia?) use ICQ.

Re: Yahoo Hacked

#89

Earlier quoted context omitted.

I don't see how you're reaching this conclusion. He said, there are no publicly available contact methods that have "yielded any luck". He didn't say there are no publicly available contact methods or that he didn't e-mail yahoo's "security" e-mail address.

I'm reaching this conclusion because the only person he mentions emailing is Yahoo's CEO.

no... he said he used the generic yahoo contact forms, they didn't respond. you're an idiot.

Re: Yahoo Hacked

#90

Earlier quoted context omitted.

Could also be password guessing; lots of people use the "common word + number" pattern for their Yahoo! passwords.

If I remember correctly it was a random alpha-numeric password with both different cases and a special character or two, and I've never used the same password on a different service. All I know is that I've never had this problem on competing services.

I've found XSS bugs that allow full account takeover being actively exploited on Yahoo! a couple of times. They have a lot of legacy crap that was written 15-20 years ago.
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