UNC6671 Rebrands: Multi-Brand Vishing Extortion Targets Financial Services and Enterprise Cloud Environments

    Date: 08/07/2026

    Severity: High

    Summary

    UNC6671 continues its data theft extortion operations under multiple brands, including Redact, Pink, Helix, and Falcon, despite the reported retirement of the BlackFile brand. The group uses IT helpdesk voice phishing (vishing), Adversary-in-the-Middle (AiTM) credential harvesting, and MFA token interception to compromise Microsoft 365 and Okta accounts, enabling large-scale data exfiltration from enterprise cloud environments. Recent campaigns have increasingly targeted the financial services, private equity, and professional services sectors. 

    Indicators of Compromise (IOC) List

    Domains/URLs

    myoktasso.com

    mypasskeysso.com

    setupssopasskey.com

    mspasskey.com

    activatepasskey.com

    enrollpasskey.com

    keyokta.com

    oktaenroll.com

    oktaportalsso.com

    passkeyportal.com

    portalpasskey.com

    passkeyportalsetup.com

    addoktapasskey.com

    deploypasskey.com

    passkeydeploy.com

    activatemypasskey.com

    registerpasskey.com

    createpasskey.com

    passkeyadd.com

    passkeyregister.com

    passkeycenter.com

    secureauthpasskey.com

    passkeyrollout.com

    setpasskey.com

    passkeyokta.com

    passkeyset.com

    createmypasskey.com

    newpasskey.com

    passkeysupport.com

    sqfepjvmrd.xyz

    passkeyregistration.com

    addmypasskey.com

    passkey-setup.com

    passkey-portal.com

    startpasskeysetup.com

    passkey-connect.com

    portalsetuphub.com

    activatepasskeyportal.com

    assignpasskey.com

    myconnectkey.com

    mynewpasskey.com

    passkeycreate.com

    oskeyconnect.com

    passkeycreator.com

    oskeysync.com

    enablepasskey.com

    enablepasskey2fa.com

    checkpasskey.com

    passkeyuser.com

    keysyncos.com

    myaccountsecurity.com

    addpasskey2fa.com

    passkeyenroll.com

    startpasskey.com

    passkeyenable.com

    passkeyactivation.com

    createmfa.com

    passkeyhelpdesk.com

    makepasskey.com

    add-passkey.com

    passkey-check.com

    addyourpasskey.com

    passkey-enable.com

    mypasskeyid.com

    passkeystatus.com

    secure-passkey.com

    addssopasskey.com

    ssopasskey.com

    createssopasskey.com

    myssopasskey.com

    hubpasskey.com

    passkeymfa.com

    IP Address

    31.7.56.61

    31.7.56.52

    193.34.212.132

    185.178.208.153

    23.234.75.84

    195.140.213.114

    195.140.213.115

    107.128.45.122

    76.103.148.180

    38.42.59.171

    47.218.103.146

    Gurucul Threat Detection and Incident Response (TDIR) Queries for Detection 

    Detection Query 1 :

    domainname like "createpasskey.com" or url like "createpasskey.com" or siteurl like "createpasskey.com" or domainname like "passkeyenroll.com" or url like "passkeyenroll.com" or siteurl like "passkeyenroll.com" or domainname like "setpasskey.com" or url like "setpasskey.com" or siteurl like "setpasskey.com" or domainname like "createmypasskey.com" or url like "createmypasskey.com" or siteurl like "createmypasskey.com" or domainname like "mspasskey.com" or url like "mspasskey.com" or siteurl like "mspasskey.com" or domainname like "makepasskey.com" or url like "makepasskey.com" or siteurl like "makepasskey.com" or domainname like "enablepasskey.com" or url like "enablepasskey.com" or siteurl like "enablepasskey.com" or domainname like "addssopasskey.com" or url like "addssopasskey.com" or siteurl like "addssopasskey.com" or domainname like "addoktapasskey.com" or url like "addoktapasskey.com" or siteurl like "addoktapasskey.com" or domainname like "passkeyregistration.com" or url like "passkeyregistration.com" or siteurl like "passkeyregistration.com" or domainname like "mynewpasskey.com" or url like "mynewpasskey.com" or siteurl like "mynewpasskey.com" or domainname like "oskeyconnect.com" or url like "oskeyconnect.com" or siteurl like "oskeyconnect.com" or domainname like "passkey-enable.com" or url like "passkey-enable.com" or siteurl like "passkey-enable.com" or domainname like "passkeycenter.com" or url like "passkeycenter.com" or siteurl like "passkeycenter.com" or domainname like "checkpasskey.com" or url like "checkpasskey.com" or siteurl like "checkpasskey.com" or domainname like "createssopasskey.com" or url like "createssopasskey.com" or siteurl like "createssopasskey.com" or domainname like "passkeyportalsetup.com" or url like "passkeyportalsetup.com" or siteurl like "passkeyportalsetup.com" or domainname like "oktaportalsso.com" or url like "oktaportalsso.com" or siteurl like "oktaportalsso.com" or domainname like "secureauthpasskey.com" or url like "secureauthpasskey.com" or siteurl like "secureauthpasskey.com" or domainname like "myoktasso.com" or url like "myoktasso.com" or siteurl like "myoktasso.com" or domainname like "passkey-setup.com" or url like "passkey-setup.com" or siteurl like "passkey-setup.com" or domainname like "ssopasskey.com" or url like "ssopasskey.com" or siteurl like "ssopasskey.com" or domainname like "startpasskeysetup.com" or url like "startpasskeysetup.com" or siteurl like "startpasskeysetup.com" or domainname like "mypasskeyid.com" or url like "mypasskeyid.com" or siteurl like "mypasskeyid.com" or domainname like "passkeyportal.com" or url like "passkeyportal.com" or siteurl like "passkeyportal.com" or domainname like "passkeyactivation.com" or url like "passkeyactivation.com" or siteurl like "passkeyactivation.com" or domainname like "passkeyrollout.com" or url like "passkeyrollout.com" or siteurl like "passkeyrollout.com" or domainname like "passkeyhelpdesk.com" or url like "passkeyhelpdesk.com" or siteurl like "passkeyhelpdesk.com" or domainname like "add-passkey.com" or url like "add-passkey.com" or siteurl like "add-passkey.com" or domainname like "keysyncos.com" or url like "keysyncos.com" or siteurl like "keysyncos.com" or domainname like "addyourpasskey.com" or url like "addyourpasskey.com" or siteurl like "addyourpasskey.com" or domainname like "oskeysync.com" or url like "oskeysync.com" or siteurl like "oskeysync.com" or domainname like "oktaenroll.com" or url like "oktaenroll.com" or siteurl like "oktaenroll.com"

    Detection Query 2 :

    domainname like "setupssopasskey.com" or url like "setupssopasskey.com" or siteurl like "setupssopasskey.com" or domainname like "activatemypasskey.com" or url like "activatemypasskey.com" or siteurl like "activatemypasskey.com" or domainname like "keyokta.com" or url like "keyokta.com" or siteurl like "keyokta.com" or domainname like "passkey-portal.com" or url like "passkey-portal.com" or siteurl like "passkey-portal.com" or domainname like "myaccountsecurity.com" or url like "myaccountsecurity.com" or siteurl like "myaccountsecurity.com" or domainname like "createmfa.com" or url like "createmfa.com" or siteurl like "createmfa.com" or domainname like "passkeystatus.com" or url like "passkeystatus.com" or siteurl like "passkeystatus.com" or domainname like "enrollpasskey.com" or url like "enrollpasskey.com" or siteurl like "enrollpasskey.com" or domainname like "passkeyokta.com" or url like "passkeyokta.com" or siteurl like "passkeyokta.com" or domainname like "passkey-connect.com" or url like "passkey-connect.com" or siteurl like "passkey-connect.com" or domainname like "activatepasskeyportal.com" or url like "activatepasskeyportal.com" or siteurl like "activatepasskeyportal.com" or domainname like "startpasskey.com" or url like "startpasskey.com" or siteurl like "startpasskey.com" or domainname like "passkeydeploy.com" or url like "passkeydeploy.com" or siteurl like "passkeydeploy.com" or domainname like "passkeyenable.com" or url like "passkeyenable.com" or siteurl like "passkeyenable.com" or domainname like "passkeyadd.com" or url like "passkeyadd.com" or siteurl like "passkeyadd.com" or domainname like "myssopasskey.com" or url like "myssopasskey.com" or siteurl like "myssopasskey.com" or domainname like "portalpasskey.com" or url like "portalpasskey.com" or siteurl like "portalpasskey.com" or domainname like "addpasskey2fa.com" or url like "addpasskey2fa.com" or siteurl like "addpasskey2fa.com" or domainname like "passkeysupport.com" or url like "passkeysupport.com" or siteurl like "passkeysupport.com" or domainname like "secure-passkey.com" or url like "secure-passkey.com" or siteurl like "secure-passkey.com" or domainname like "hubpasskey.com" or url like "hubpasskey.com" or siteurl like "hubpasskey.com" or domainname like "portalsetuphub.com" or url like "portalsetuphub.com" or siteurl like "portalsetuphub.com" or domainname like "mypasskeysso.com" or url like "mypasskeysso.com" or siteurl like "mypasskeysso.com" or domainname like "newpasskey.com" or url like "newpasskey.com" or siteurl like "newpasskey.com" or domainname like "myconnectkey.com" or url like "myconnectkey.com" or siteurl like "myconnectkey.com" or domainname like "activatepasskey.com" or url like "activatepasskey.com" or siteurl like "activatepasskey.com" or domainname like "passkeyregister.com" or url like "passkeyregister.com" or siteurl like "passkeyregister.com" or domainname like "passkeyuser.com" or url like "passkeyuser.com" or siteurl like "passkeyuser.com" or domainname like "passkeymfa.com" or url like "passkeymfa.com" or siteurl like "passkeymfa.com" or domainname like "passkeycreate.com" or url like "passkeycreate.com" or siteurl like "passkeycreate.com" or domainname like "sqfepjvmrd.xyz" or url like "sqfepjvmrd.xyz" or siteurl like "sqfepjvmrd.xyz" or domainname like "addmypasskey.com" or url like "addmypasskey.com" or siteurl like "addmypasskey.com" or domainname like "registerpasskey.com" or url like "registerpasskey.com" or siteurl like "registerpasskey.com" or domainname like "assignpasskey.com" or url like "assignpasskey.com" or siteurl like "assignpasskey.com" or domainname like "passkey-check.com" or url like "passkey-check.com" or siteurl like "passkey-check.com" or domainname like "passkeycreator.com" or url like "passkeycreator.com" or siteurl like "passkeycreator.com" or domainname like "enablepasskey2fa.com" or url like "enablepasskey2fa.com" or siteurl like "enablepasskey2fa.com" or domainname like "deploypasskey.com" or url like "deploypasskey.com" or siteurl like "deploypasskey.com" or domainname like "passkeyset.com" or url like "passkeyset.com" or siteurl like "passkeyset.com"

    Detection Query 3 :

    dstipaddress IN ("107.128.45.122","185.178.208.153","195.140.213.114","23.234.75.84","195.140.213.115","76.103.148.180","31.7.56.52","193.34.212.132","38.42.59.171","47.218.103.146","31.7.56.61") or srcipaddress IN ("107.128.45.122","185.178.208.153","195.140.213.114","23.234.75.84","195.140.213.115","76.103.148.180","31.7.56.52","193.34.212.132","38.42.59.171","47.218.103.146","31.7.56.61")

    Reference:    

    https://cloud.google.com/blog/topics/threat-intelligence/unc6671-targets-financial-services-and-enterprise-cloud-environments                                 


    Tags

    MalwareThreat ActorExtortionPhishingVishingAiTMCredential HarvestingMicrosoftExfiltrationFinancial ServicesInformation TechnologyCloud Infrastructure

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