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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: Koredos

NamesKoredos
CategoryMalware
TypeDDoS, Wiper
Description(Symantec) In 2011, organizations in South Korea were yet again targeted by DDoS attacks. Similar to 2009, a number of government and private websites were targeted, this time using a tool called Trojan.Koredos. This attack was unusual for a DDoS attack because it did not use a command and control (C&C) server; the commands were hidden inside the threat itself. The use of a tactic like this indicated a growth in sophistication from the group compared to the 2009 attacks. Symantec research into this threat also found that, as well as carrying out a DDoS attack, if the infected computers were not cleared of this Trojan the master boot record (MBR) of some of them would be destroyed within 10 days.
Information<https://medium.com/threat-intel/lazarus-attacks-wannacry-5fdeddee476c>

Last change to this tool card: 19 April 2020

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All groups using tool Koredos

ChangedNameCountryObserved

APT groups

 Lazarus Group, Hidden Cobra, Labyrinth ChollimaNorth Korea2007-Spring 2021X

1 group listed (1 APT, 0 other, 0 unknown)

Thailand Computer Emergency Response Team (ThaiCERT)
Electronic Transactions Development Agency

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