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DarkSword and Coruna: What iPhone Users Should Know About Crypto Wallets and iOS Security

DarkSword and Coruna have both been linked to iOS attacks involving cryptocurrency wallets, but their reported targets, version ranges and technical structures differ. Here is what is known—and what C2 reporting does not prove about current activity.

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DarkSword and Coruna are separate iOS exploit kits, and both have been linked to attacks involving cryptocurrency wallets. But the reporting describes different profiles: DarkSword collected wallet data alongside broader surveillance and data theft, while iVerify characterized Coruna as appearing mostly focused on crypto theft. Lookout identified DarkSword command-and-control (C2) servers during its investigation; the available reporting does not verify that they remain live today.

DarkSword and Coruna are different exploit kits

Google Threat Intelligence Group published its Coruna analysis on March 3, 2026, and its DarkSword analysis on March 19, 2026. Google says DarkSword spread among different actors in a way that resembles the earlier Coruna case, and reports that the actor UNC6353 used both. That overlap does not make them the same kit.

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The reported components and iOS ranges also differ. Google described Coruna as five full exploit chains containing 23 exploits, and DarkSword as using six vulnerabilities with three named final-stage malware families: GHOSTBLADE, GHOSTKNIFE, and GHOSTSABER. These are counts of technical components, not victims. Google’s Coruna analysis and Google’s DarkSword analysis provide the technical accounts.

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What was reported DarkSword Coruna
iOS versions Google reported iOS 18.4 through 18.7; Lookout and iVerify described observed attacks or supported versions through iOS 18.6.2. Google reported iOS 13.0 through 17.2.1.
Technical structure Google reported six vulnerabilities and three named final-stage malware families. Google reported five full exploit chains and 23 exploits.
Wallet context Wallet data collection was reported alongside broader surveillance and data theft. iVerify characterized the kit’s apparent focus as mostly cryptocurrency theft.
Reported campaign context Google described use by multiple actors and campaigns in Saudi Arabia, Turkey, Malaysia, and Ukraine. Google described successive use involving a surveillance-vendor customer, suspected espionage activity, and a financially motivated actor.

The version ranges describe findings in particular reports and campaigns; they are not a guarantee that every device in a range was compromised, or that every deployment supported every listed version. Google reported DarkSword use since at least November 2025. Its Coruna report described the kit as ineffective against the latest iOS at the time of publication.

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What the reports say about crypto wallets

Lookout reported that DarkSword rapidly collected sensitive information, including cryptocurrency wallet data. iVerify described DarkSword more broadly as a surveillance and intelligence-gathering operation that also searched for wallets, and contrasted it with Coruna, which it said seemed mostly aimed at crypto theft. These are analysts’ characterizations of reported campaigns. They do not establish that every DarkSword or Coruna deployment stole cryptocurrency, that every victim lost funds, or that wallet theft was DarkSword’s sole purpose.

Neither the exploit counts nor the reported exposure estimates are infection counts. iVerify estimated that up to 270 million devices were still running affected versions when it announced its findings on March 18, 2026; that figure is a potential-exposure estimate, not a count of confirmed infections or victims. The cited reports do not establish an independent named victim count for either kit.

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What is known about DarkSword C2 infrastructure

Lookout said its researchers identified DarkSword C2 servers while investigating the activity and analyzed malicious infrastructure. Google documented delivery domains and said it added identified delivery domains to Safe Browsing. These findings show that infrastructure was identified during the investigations; they do not establish that those servers or domains are still operational on October 9, 2026. It would be misleading to call them “live C2” today without a current, reliable verification.

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The infrastructure findings are reported in Lookout’s March 18, 2026 announcement and Google’s March 19, 2026 analysis. This article does not reproduce domain indicators or exploitation instructions.

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How to protect an iPhone or iPad

Install the update available for your device

Open Settings > General > Software Update and install the latest iOS or iPadOS security update offered for that device. Google said all DarkSword vulnerabilities were patched with iOS 26.3, though most had been patched earlier. Lookout’s March 18, 2026 guidance specified iOS 18.7.3 or later, or iOS 26.3 or later. Those are dated recommendations, not a substitute for checking what Apple currently offers for your specific model; update availability can differ by device.

Use Lockdown Mode if updating is not possible

Google recommends Lockdown Mode for enhanced security when an update is unavailable, and also recommends it in its Coruna guidance for devices that cannot be updated. On supported Apple devices, find it under Settings > Privacy & Security > Lockdown Mode. It is an additional protective measure, not a universal replacement for security updates or a guarantee against every component of an exploit chain.

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If you may have visited a malicious page

Google’s reporting describes watering-hole campaigns, in which attackers compromise or use a site likely to be visited by a target group to deliver malicious content. If you believe your device may have encountered such a page, treat it as a potential security incident rather than assuming a wallet app or an antivirus scan has resolved it.

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  • Use a separate, trusted device to review account security and contact relevant wallet or exchange providers through their official support channels.
  • For significant cryptocurrency holdings or suspected compromise, seek reputable incident-response help. Do not enter recovery phrases or private keys into a device you suspect is compromised.
  • Install the available system update and follow trusted incident-response advice; a consumer accessory or generic cleanup tool is not established as a fix for an already compromised iPhone.
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What the campaign history shows

Google’s March 3, 2026 Coruna report described a progression from use by a surveillance-vendor customer to suspected Russian espionage activity attributed to UNC6353 targeting Ukrainian users, followed by broader campaigns attributed to financially motivated UNC6691. In its March 19 DarkSword report, Google described multiple actors and campaigns in four countries, and said UNC6353 had used both Coruna and DarkSword. The sequence helps explain why the kits are sometimes discussed together, while their distinct technical structures and reported iOS ranges remain important.

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Lookout and iVerify published DarkSword findings on March 18, 2026, emphasizing different aspects of the activity: rapid collection and exfiltration in Lookout’s account, and broader surveillance in iVerify’s characterization. Google’s analysis followed on March 19. These dated accounts support caution about wallet data exposure, but not a claim that all affected devices were infected or that a current C2 server is confirmed live.

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