Nimbus Manticore Expands Toolset With TWOSTROKE-Like Backdoor and SSH Tunneler
Cybersecurity researchers have discovered additional infrastructure and previously undocumented malware associated with Nimbus Manticore, an Iranian state-sponsored hacking group affiliated with the Islamic Revolutionary Guard Corps (IRGC). Group-IB, in a new analysis published today, described the cyber espionage actor as among the most active Iranian APT groups in 2026. Nimbus Manticore (aka
What happened
Cybersecurity researchers have discovered additional infrastructure and previously undocumented malware associated with Nimbus Manticore, an Iranian state-sponsored hacking group affiliated with the Islamic Revolutionary Guard Corps (IRGC). Group-IB, in a new analysis published today, described the cyber espionage actor as among the most active Iranian APT groups in 2026. Nimbus Manticore (aka
Why it matters
The incident may affect operational continuity, asset safety or trust around Security. Watch for verified scope and remediation.
Affected entities
View evidence
1 reports · 1 original report · 1 independent
- The Hacker NewsPrimary source · Supports · EN · 100%Nimbus Manticore Expands Toolset With TWOSTROKE-Like Backdoor and SSH Tunneler ↗
Claims
- Nimbus Manticore Expands Toolset With TWOSTROKE-Like Backdoor and SSH Tunneler Observed
Conflicts
No material conflict detected in the available evidence.
Timeline
- First reported
Market move following event
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