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MITRE ATT&CK® Malware

S0463: INSOMNIA

INSOMNIA is spyware that has been used by the group Evil Eye.[1]

MobileS0463MalwareObject v1.0Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

INSOMNIA is an iOS spyware entry in ATT&CK, documented as used by Evil Eye. Its mapped behaviors matter because they point to mobile compromise that can move beyond ordinary app abuse: privilege escalation, device and network discovery, location tracking, collection of local data and iOS keychain material, and command-and-control over web protocols or non-standard ports. For leaders, the decision value is whether high-risk mobile users and managed iOS devices have enough patching, mobile telemetry, network visibility, and incident response process to prove or disprove compromise.

Executive priority

Treat this as a mobile resilience and executive-risk use case, not just a malware label. The relationships indicate risks to credentials, sensitive communications, location privacy, and device trust. Priority questions: Are iOS devices patched quickly enough to reduce exploit-driven privilege escalation risk? Can the organization investigate a suspected mobile spyware case without relying only on user reports? Are high-risk personnel, travel devices, and privileged users covered by MDM/UEM policy, network logging, and mobile IR procedures? Compliance and audit evidence should emphasize patch status, device inventory, managed configuration, and documented response handling for mobile data exposure.

Technical view

ATT&CK does not provide a detection section for INSOMNIA, so SOC and IR teams should validate coverage against the related behaviors rather than a single signature. The object is iOS-specific and uses relationships including Exploitation for Privilege Escalation, Drive-By Compromise, Obfuscated Files or Information, Software Discovery, System/Internet/Wi-Fi Network Configuration Discovery, System Information Discovery, Location Tracking, Web Protocols, Non-Standard Port, Data from Local System, Ptrace System Calls, Keychain, Call Log, Contact List, and SMS Messages. Practical validation should focus on whether managed iOS devices expose enough telemetry to detect exploit aftermath, suspicious application or process behavior, unusual web egress, non-standard protocol/port pairings, and access to sensitive local data where collection is technically available.

Likely telemetry

  • MDM/UEM inventory: iOS version, patch level, device compliance, jailbreak/root indicators where available, installed applications, and configuration posture.
  • Mobile security or EDR telemetry, if deployed: suspicious process behavior, exploit indicators, code injection or ptrace-like activity, and abnormal access to protected data stores.
  • Network telemetry: DNS, proxy, firewall, TLS metadata, mobile gateway logs, unusual web-protocol traffic, and protocol/port mismatches related to non-standard ports.
  • Web access telemetry for drive-by exposure analysis: browsing history or secure web gateway logs where policy and privacy rules permit.
  • Device forensic artifacts during IR: application lists, system information, network configuration, local file access evidence, keychain access indicators, and traces of contact, SMS, call log, or location access where available.

Detection direction

  • Because MITRE supplies no official detection guidance, build behavior-based checks from the mapped techniques and clearly document expected visibility gaps on iOS.
  • Correlate high-risk events: recent iOS exploit exposure or suspicious browsing, unexpected device privilege changes, anomalous mobile network egress, and access to sensitive local data sources.
  • Tune network detections for web protocols and non-standard ports, but account for normal mobile application traffic to reduce false positives.
  • Validate whether app inventory and software discovery-like behavior can be observed in the organization’s tooling; many environments cannot see detailed on-device enumeration.
  • Use relationship context to prioritize triage: keychain, SMS, contacts, call logs, location, and local system data imply potential privacy, credential, and business-sensitive data exposure.

Mitigation priorities

  • Prioritize timely iOS updates and managed device compliance because the mapped behavior includes exploitation for privilege escalation and drive-by compromise.
  • Use MDM/UEM policy to enforce supported OS versions, restrict unmanaged profiles where possible, maintain app inventory, and identify non-compliant or jailbroken devices where telemetry supports it.
  • Reduce exposure for high-risk users through managed browsing guidance, security awareness for suspicious links, and travel or executive-device hardening procedures.
  • Limit sensitive data persistence on mobile devices where business process allows, especially credentials and high-value communications.
  • Monitor and control mobile egress with privacy-aware network logging, focusing on unusual web-protocol usage and non-standard ports.
Additional notes and limits

This take is based only on the supplied ATT&CK STIX fields, external references, and relationships. INSOMNIA is identified as iOS spyware and documented by ATT&CK as used by Evil Eye, with Volexity as the cited external source. The strongest defensive value comes from the relationship set, which frames what defenders should validate across mobile exploit prevention, discovery, collection, credential exposure, location privacy, and network command-and-control visibility.

ATT&CK provides no official detection text, tactics are not specified in the supplied object, and no indicators of compromise, affected versions, exploit details, infrastructure, or current activity claims are included here. Local conclusions require organization-specific mobile telemetry, MDM/UEM coverage, network logs, forensic access, privacy constraints, and knowledge of which users or devices are in scope.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

INSOMNIA

INSOMNIA is spyware that has been used by the group Evil Eye.[1]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Techniques used

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

17 rows
DomainIDNameRelationship / procedure
MobileT1426System Information Discovery

INSOMNIA can collect the device’s name, serial number, iOS version, total disk space, and free disk space.[2]

MobileT1404Exploitation for Privilege Escalation

INSOMNIA exploits a WebKit vulnerability to achieve root access on the device.[1]

MobileT1430Location Tracking

INSOMNIA can track the device’s location.[2]

MobileT1631.001Ptrace System CallsSub-technique

INSOMNIA grants itself permissions by injecting its hash into the kernel’s trust cache.[2]

MobileT1406Obfuscated Files or Information

INSOMNIA obfuscates various pieces of information within the application.[1]

MobileT1636.004SMS MessagesSub-technique

INSOMNIA can retrieve SMS messages and iMessages.[2]

MobileT1422System Network Configuration Discovery

INSOMNIA can collect the device’s phone number, ICCID, IMEI, and the currently active network interface (Wi-Fi or cellular).[2]

MobileT1418Software Discovery

INSOMNIA can obtain a list of installed non-Apple applications.[2]

MobileT1422.001Internet Connection DiscoverySub-technique

INSOMNIA can collect the device’s phone number, ICCID, IMEI, and the currently active network interface (Wi-Fi or cellular).[2]

MobileT1509Non-Standard Port

INSOMNIA has communicated with the C2 using HTTPS requests over ports 43111, 43223, and 43773.[1]

MobileT1422.002Wi-Fi DiscoverySub-technique

INSOMNIA can collect the device’s phone number, ICCID, IMEI, and the currently active network interface (Wi-Fi or cellular).[2]

MobileT1636.003Contact ListSub-technique

INSOMNIA can collect the device’s contact list.[2]

MobileT1636.002Call LogSub-technique

INSOMNIA can retrieve the call history.[2]

MobileT1437.001Web ProtocolsSub-technique

INSOMNIA communicates with the C2 server using HTTPS requests.[1]

MobileT1533Data from Local System

INSOMNIA can collect application database files, including Gmail, Hangouts, device photos, and container directories of third-party apps.[2]

MobileT1634.001KeychainSub-technique

INSOMNIA can extract the device’s keychain.[2]

MobileT1456Drive-By Compromise

INSOMNIA has utilized malicious JavaScript and iframes to exploit WebKit running on vulnerable iOS 12 devices.[1]

Relationship explorer

All related ATT&CK context

Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
19.1
Object version
1.0
Created
Modified
Raw hash
a654303c17e954dd...
Imported snapshots across ATT&CK releases(1)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.11.0Current bundlea654303c17e9…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    Volexity Insomnia

    A. Case, D. Lassalle, M. Meltzer, S. Koessel, et al.. (2020, April 21). Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant. Retrieved June 2, 2020.

    Open source URL
  2. [2]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  3. [3]
    Volexity Insomnia

    A. Case, D. Lassalle, M. Meltzer, S. Koessel, et al.. (2020, April 21). Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant. Retrieved June 2, 2020.

    Open source URL
  4. [4]
    mitre-attackS0463
    Open source URL
  5. [5]
    mitre-attackS0463
    Open source URL
  6. [6]
    Volexity Insomnia

    A. Case, D. Lassalle, M. Meltzer, S. Koessel, et al.. (2020, April 21). Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant. Retrieved June 2, 2020.

    Open source URL
  7. [7]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  8. [8]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  9. [9]
    Volexity Insomnia

    A. Case, D. Lassalle, M. Meltzer, S. Koessel, et al.. (2020, April 21). Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant. Retrieved June 2, 2020.

    Open source URL
  10. [10]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  11. [11]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  12. [12]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  13. [13]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  14. [14]
    Volexity Insomnia

    A. Case, D. Lassalle, M. Meltzer, S. Koessel, et al.. (2020, April 21). Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant. Retrieved June 2, 2020.

    Open source URL
  15. [15]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  16. [16]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  17. [17]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  18. [18]
    Volexity Insomnia

    A. Case, D. Lassalle, M. Meltzer, S. Koessel, et al.. (2020, April 21). Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant. Retrieved June 2, 2020.

    Open source URL
  19. [19]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  20. [20]
    Google Project Zero Insomnia

    I. Beer. (2019, August 29). Implant Teardown. Retrieved June 2, 2020.

    Open source URL
  21. [21]
    Volexity Insomnia

    A. Case, D. Lassalle, M. Meltzer, S. Koessel, et al.. (2020, April 21). Evil Eye Threat Actor Resurfaces with iOS Exploit and Updated Implant. Retrieved June 2, 2020.

    Open source URL
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