Technical Information
Malicious functions:
Substitutes application name for:
- sshd
Modifies firewall settings:
- iptables -I INPUT -p tcp --destination-port 22 -j DROP
- iptables -I INPUT -p tcp --destination-port 23 -j DROP
- iptables -I INPUT -p tcp --destination-port 2323 -j DROP
- iptables -I OUTPUT -p tcp --source-port 22 -j DROP
- iptables -I OUTPUT -p tcp --source-port 23 -j DROP
- iptables -I OUTPUT -p tcp --source-port 2323 -j DROP
- iptables -I INPUT -p udp --destination-port 61750 -j ACCEPT
- iptables -I OUTPUT -p udp --source-port 61750 -j ACCEPT
- iptables -I PREROUTING -t nat -p udp --destination-port 61750 -j ACCEPT
Launches processes:
- sh -c echo 3 > /proc/sys/vm/drop_caches
- sh -c iptables -I INPUT -p tcp --destination-port 22 -j DROP
- sh -c iptables -I INPUT -p tcp --destination-port 23 -j DROP
- sh -c iptables -I INPUT -p tcp --destination-port 2323 -j DROP
- sh -c iptables -I OUTPUT -p tcp --source-port 22 -j DROP
- sh -c iptables -I OUTPUT -p tcp --source-port 23 -j DROP
- sh -c iptables -I OUTPUT -p tcp --source-port 2323 -j DROP
- sh -c iptables -I INPUT -p udp --destination-port 61750 -j ACCEPT
- sh -c iptables -I OUTPUT -p udp --source-port 61750 -j ACCEPT
- sh -c iptables -I PREROUTING -t nat -p udp --destination-port 61750 -j ACCEPT
Performs operations with the file system:
Creates or modifies files:
- /proc/self/oom_score_adj
- /proc/531/oom_score_adj
- /proc/sys/vm/drop_caches
Network activity:
Awaits incoming connections on ports:
- 127.0.0.1:14737
- 0.0.0.0:61750
Establishes connection:
- [:##]:61750
- 127.0.0.1:61750