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Linux.Siggen.509

Aggiunto al database dei virus Dr.Web: 2018-04-01

La descrizione è stata aggiunta:

Technical Information

Malicious functions:
Launches itself as a daemon
Substitutes application name for:
  • telnetd
Modifies firewall settings:
  • iptables -A INPUT -p tcp --destination-port 23 -j DROP
  • iptables -A INPUT -p tcp --destination-port 7547 -j DROP
  • iptables -A INPUT -p tcp --destination-port 5555 -j DROP
  • iptables -A INPUT -p tcp --destination-port 5358 -j DROP
  • iptables -D INPUT -j CWMP_CR
  • iptables -X CWMP_CR
  • iptables -I INPUT -p udp --dport 25522 -j ACCEPT
Launches processes:
  • sh -c iptables -A INPUT -p tcp --destination-port 23 -j DROP
  • sh -c iptables -A INPUT -p tcp --destination-port 7547 -j DROP
  • sh -c iptables -A INPUT -p tcp --destination-port 5555 -j DROP
  • sh -c iptables -A INPUT -p tcp --destination-port 5358 -j DROP
  • sh -c iptables -D INPUT -j CWMP_CR
  • sh -c iptables -X CWMP_CR
  • sh -c iptables -I INPUT -p udp --dport 25522 -j ACCEPT
Performs operations with the file system:
Creates folders:
  • /root/.p
Deletes folders:
  • <SAMPLE_FULL_PATH>"
  • /root/.p/.d"
Deletes files:
  • <SAMPLE_FULL_PATH>"
  • /tmp/ftpupdate.sh"
  • /tmp/ftpupload.sh"
Network activity:
Awaits incoming connections on ports:
  • 0.0.0.0:25522
Establishes connection:
  • 8.#.8.8:53
  • <LOCAL_DNS_SERVER>
  • [:##]:25522
  • 127.0.0.1:25522
DNS ASK:
  • po##.ntp.org
  • ro####.utorrent.com
  • ro####.bittorrent.com
Sends data to the following servers:
  • 19#.#.254.2:123
  • 82.###.103.244:6881
  • 67.###.246.10:6881
  • 19#.##.113.8:45754
  • 86.##.255.122:50321
  • 19#.##5.108.8:38537
  • 99.###.82.13:1024
  • 46.###.129.254:20308
  • 78.#.#11.186:14497
  • 77.###.91.236:55240
  • 18#.##1.34.8:6336
  • 62.###.73.228:52694
  • 93.##.84.215:57193
  • 79.##.242.252:34101
  • 11#.##0.195.226:666
  • 24.##.219.15:14160

Curing recommendations


Linux

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