Security Researcher Jonathan Hall has found evidence which provides insight on the Yahoo hack. Jonathan Hall claims that Romanian hackers have used the ShellShock bug to hack the Yahoo servers. This being said, it is wise to change your Yahoo password immediatly.
The Future South Technologies website has written a massive report on the Yahoo ShellShock hack. It provides insight in which commands and directories were used during the Yahoo Shellshock hack.
For more information about the Yahoo hack I urge you to take a look at the sources which have been listed below.
Yahoo ShellShock bug hack
|Romanian Hackers Used The Shellshock Bug To Hack Yahoo’s Servers||http://www.businessinsider.com/romanian-hackers-allegedly-used-the-shellshock-bug-to-hack-yahoos-servers-2014-10|
|Yahoo! servers reportedly hacked using Shellshock vulnerability||http://www.jsonline.com/blogs/news/278235561.html|
|Yahoo Servers Were Owned By Bash Bug Hackers||http://www.forbes.com/sites/thomasbrewster/2014/10/06/yahoo-hacked-by-bash-bug-attackers/|
|Yahoo Says 3 Servers Hacked Via Shellshock, No Data Taken||http://www.businessweek.com/news/2014-10-06/yahoo-says-no-data-stolen-in-shellshock-hack|
|White hat claims Yahoo and WinZip hacked by “shellshock” exploiters||http://arstechnica.com/security/2014/10/white-hat-claims-yahoo-and-winzip-hacked-by-shellshock-exploiters/|
|Heard hacked again?||https://ph.celebrity.yahoo.com/news/heard-hacked-again-120000123.html|
|Yahoo! Has been HACKED, and all your information with them is now in danger!||http://www.futuresouth.us/yahoo_hacked.html|