Am 08.06.2018 um 22:09 schrieb Alvaro Herrera:
On 2018-Jun-08, Miguel Angel Sanchez Sandoval wrote:Hi guys, migrate from 8.4 to 9.5, all OK except that 2-3 days pass and the database experiences slowness, I execute the linux top command and it shows me a postgres user process executing a strange command (2yhdgrfrt63788) that I consume a lot of CPU, I see the querys active and encounter select fun ('./ 2yhdgrfrt63788') , this did not happen in version 8.4, any help would appreciate it.Hmm, has your database been compromised? You may have an intruder there -- beware.
https://www.imperva.com/blog/2018/03/deep-dive-database-attacks-scarlett-johanssons-picture-used-for-crypto-mining-on-postgre-database/ Regards, Andreas -- 2ndQuadrant - The PostgreSQL Support Company. www.2ndQuadrant.com
