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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: ISMDoor

TypeBackdoor, Tunneling
Description(Arbor) Ismdoor has an encrypted configuration that contains a primary and secondary C2 domain, various identifiers, timeouts, and flags. These values can be updated by later C2 commands. A substitution cipher is used to decrypt the configuration when it is needed. The character mapping has been consistent across samples and we have made available a Python snippet of it on Github.
AlienVault OTX<>

Last change to this tool card: 23 April 2020

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All groups using tool ISMDoor


APT groups

 OilRig, APT 34, Helix Kitten, ChryseneIran2014-May 2022X

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

Digital Service Security Center
Electronic Transactions Development Agency

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