Exposed Directory Reveals Red-Team Tools, Kerberoasted Hashes and Cobalt Strike Profile

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Summary

Researchers found an exposed directory containing red-team tools, Kerberoasted hashes, and Cobalt Strike files. Certificate details were linked to a Cobalt Strike instance, but no beacon was associated with the port at the time of writing.

Key points

  • The directory exposed Cobalt Strike, Havoc, and Villian tools, along with an SSH directory, bash history, a BloodHound archive, and network-analysis scripts.
  • A text file contained Kerberoasted hashes, which can be taken offline for password cracking.
  • Cobalt Strike files included a Malleable C2 profile named darkgate.profile and TLS certificate information.
  • The profile's certificate was used to find a matching Cobalt Strike instance on port 50050.
  • The server appeared relatively recent and potentially still in use, but no beacon was associated with the port at the time of analysis.
  • The article says the exposed materials may indicate a red-team engagement, while noting the operator's identity and purpose were not confirmed.

Article Details

Attack Vectors
  • An exposed, directory-indexed server made red-team tools, scripts, certificates, and other files accessible online.
  • A text file contained Kerberoasted hashes; the article describes obtaining service-account password hashes through Kerberoasting for offline cracking.
  • The directory included a likely Malleable C2 profile associated with Cobalt Strike, which could reveal communication configuration and infrastructure.
Defensive Notes
  • Secure servers against unintended directory indexing and public exposure of sensitive files.
  • Red teams should protect collected data, tools, certificates, and hashes and prioritize operational security during engagements.

Indicators of compromise

TypeIndicatorContext
DOMAINddosi[.]orgIdentified as the website that hosted a cracked version of Cobalt Strike.

MITRE ATT&CK

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