Threats Tagged 'sharepoint exfiltration'
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Threats Tagged 'sharepoint exfiltration'
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Helix is a data extortion group conducting multi-target campaigns using vishing, device code phishing, and automated SharePoint data exfiltration. Emerging from the BlackFile and ShinyHunters ecosystem after BlackFile's shutdown in April 2026, Helix uses social engineering to impersonate managers during vishing calls to trigger device code authentication flows. After compromising accounts, the group registers MFA to maintain access, enumerates SharePoint sites with automated tools, and exfiltrates bulk data. Their infrastructure shares hosting with BlackFile and uses geo-matched residential proxies to evade detection. The group varies dwell times to complicate incident response efforts. Join the discussion | AlienVault OTX General | 07/23/2026, 15:25:38 UTC Added: 07/23/2026, 15:37:23 UTC |
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