Nimbus Manticore Expands Toolset With TWOSTROKELike Backdoor and SSH Tunneler

Cybersecurity researchers have discovered additional infrastructure and previously undocumented malware associated with Nimbus Manticore an Iranian statesponsored hacking group affiliated with the Islamic Revolutionary Guard Corps IRGC GroupIB in a new analysis published today described the cyber espionage actor as among the most active Iranian APT groups in 2026 Nimbus Manticore aka