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Zemra is a DDoS Bot which was first discovered in underground forums in May 2012.[1][2]

Zemra is capable of HTTP and SYN Flood flooding and also has a simple Command & Control panel that is protected with 256-bit DES encryption for communicating with its command and control (C&C) server.[3] Zemra also sends information such as Computer name, Language settings, and Windows version. It will send this data to a remote location on a specific date and time.[4] It also opens a backdoor on TCP port 7710 to receive commands from a remote command-and-control server,[5] and it is able to monitor devices, collect system information, execute files, and even update or uninstall itself if necessary.[3][6]

See also[edit]


  1. ^ Kumar, Mohit (2012-06-27). "Zemra Botnet Leaked, Cyber Criminals performing DDoS Attacks". The Hacker News.
  2. ^ Neville, Alan (27 June 2012). "DDoS Attacks: The Zemra Bot". Symantec. Retrieved 23 October 2016.
  3. ^ a b Kovacs, Eduard (2012-06-28). "Zemra DDOS Crimeware Kit Used to Extort Organizations". Softpedia.
  4. ^ "Backdoor.Zemra". Precise Security. 2012-06-27.
  5. ^ "Backdoor.Zemra". Naked Security. 2012-06-26.
  6. ^ Goldman, Jeff (2012-06-29). "Symantec Warns of New Zemra Bot". eSecurity Planet.