Anatomy of the attack is not known. It seems that the hacker exploited bug in a site and hacked all sites on the server.
The hackers left their deface page with a deface message explaining why the sites were hacked and greeting to other hackers.
According to the deface message:
Here u g0 KiDs! Indian Government Servers Own3D! Hello GaY HinD People! Now Where’s SecuritY?
Listen U Fucked Up Indishell Kids! We Were Trying To Be in Peace! BuT We Don’t Think U Want It to Be Like That Anymore! So Here comes The Fuck From Us.
U abused All Pakistanis ( Which Includes Our Parents as Well )..I Had Told U AlreadY We have access to more than 50% of Indian GOV servers! BuT U ThoughT We MighT Be Kidding & U KepT Trying ur Lame ShiTs on .PK siTeS! When I see ur lame ShiTTy defaces on .PK SiTeS, It Drives me Real CrazY..Shame on U kids!
I Also Told U noT To Hack .PK Otherwise U will see Zone-h Full Of StarWhite Indian FLAG :D..Now Is The Time For Doing ThaT ShiT! In Other Words! We have Done this ShiT..
List of Hacked Sites:
Official website of Mitigating Poverty in Western Rajasthan
http://mpowerraj.gov.in
Website of Chief Commissioner (Authorized Representative) Customs, Excise & Service Tax
http://cdrcestat.gov.in
Society for Applied Microwave Electronics Engineering & Research
http://sameer.gov.in
Website of Works Information & Monitoring System
http://pwddelhi.gov.in
Website of Bihar Tourism from Ministry of Tourism India
http://bihartourism.gov.in
Website of Government of Kerala
http://nurses.kerala.gov.in
Website of salary revision commission of Government of Kerala
http://src.kerala.gov.in
Mirrors of the Hacked sites:
http://www.zone-h.org/mirror/id/19375748
http://www.zone-h.org/mirror/id/19375519
http://www.zone-h.org/mirror/id/19375460
http://www.zone-h.org/mirror/id/19375432
http://www.zone-h.org/mirror/id/19375413
http://www.zone-h.org/mirror/id/19373252
http://www.zone-h.org/mirror/id/18863645
At the time of publishing this article, mostwebsites were hacked and displaying deface message left by the hackers.