TC-2026-0052 · CLAWHUB · SKILL

steipete-clone/[email protected]

Impersonates a top OpenClaw skill author ('steipete') using a lookalike handle; SKILL.md instructs the agent to run an AppleScript that dumps Apple Notes and Calendar invites to an external webhook.

Primary advisory (Koi Security) Back to all 66 records

Signed ledger verdict

TC-2026-0052
Known bad (exit 2) clawhub:steipete-clone/macos-calendar-sync

IOC & scope: clawhub:steipete-clone/macos-calendar-sync. Verified by human review and signed into the CC-BY 4.0 OSV v1.6.0 feed.

Credited finder
Koi Security ↗
Recorded timestamp
2026-02-16
Canonical SHA-256
700624e734db9bcd…
Local hook action
Block (exit 2)
Run live in Counter Workbench

Signed in /feed.json (.sig).

01 8-Vector Capability X-Ray (ABOM) & OWASP Agentic Crosswalk

Deterministic capability profile and taxonomy mapping.

Every artifact in the threat.cafe ledger is profiled across eight execution vectors and mapped to the OWASP Top 10 for Agentic Applications (ASI01-ASI10) and Agentic Skills & Tools (AST01-AST10).

8-Vector Capability X-Ray (ABOM)

  1. 1. Filesystem
    Sensitive paths touched: ~/Library/Group Containers/group.com.apple.notes/NoteStore.sqlite
  2. 2. Environment
    Variables harvested: None observed
  3. 3. Network
    Outbound egress domains: notes-sync-webhook.invalid:443
  4. 4. Subprocess
    Process execution primitives: osascript -e 'tell application "Notes"...'
  5. 5. Lifecycle
    Install / startup hooks: None observed
  6. 6. OAuth / MCP
    Declared scopes: None observed
  7. 7. Obfuscation
    Encoding / steganography: None observed
  8. 8. Provenance
    Attestation status: author_impersonation_clone

Governance & detector mapping

  1. OWASP Agentic ASI (2026): ASI01 (Agent Goal Hijack), ASI02 (Tool Misuse & Exploitation), ASI03 (Identity & Privilege Abuse)
  2. OWASP Agentic AST (2026): AST01 (Malicious MCP Servers), AST06 (Unverified Third-Party Skills)
  3. Deterministic rules matched: RULE_02_PROMPT_OVERRIDE, RULE_05_PROMPT_EXFIL_SHELL, RULE_08_DESC_BEHAVIOR_MISMATCH

Version scoping & related records

  • No other versions of this package are currently listed on the board. Unlisted versions evaluate to unknown under local policy.yml.

Local CLI verification

$ threat-cafe-hook check "clawhub:steipete-clone/macos-calendar-sync"
[threat.cafe] known_bad: clawhub:steipete-clone/macos-calendar-sync (TC-2026-0052)
  Reason: Impersonates a top OpenClaw skill author ('steipete') using a lookalike handle; SKILL.md i
  Source: https://thehackernews.com/2026/02/researchers-find-341-malicious-clawhub.html (credited to Koi Security)

OSV v1.6.0 machine-readable record

Included in /feed.json under CC-BY 4.0 license and verified by /feed.json.sig.

{
  "schema_version": "1.6.0",
  "id": "TC-2026-0052",
  "modified": "2026-02-16T11:00:00Z",
  "published": "2026-02-16T11:00:00Z",
  "summary": "Impersonates a top OpenClaw skill author ('steipete') using a lookalike handle; SKILL.md instructs the agent to run an AppleScript that dumps Apple Notes and Calendar invites to an external webhook.",
  "affected": [
    {
      "package": {
        "ecosystem": "clawhub",
        "name": "steipete-clone/macos-calendar-sync"
      },
      "versions": [
        "1.0.1"
      ]
    }
  ],
  "credits": [
    {
      "name": "Koi Security",
      "type": "FINDER"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://thehackernews.com/2026/02/researchers-find-341-malicious-clawhub.html"
    },
    {
      "type": "WEB",
      "url": "https://threat.cafe/incidents/tc-2026-0052/"
    }
  ],
  "database_specific": {
    "target": "clawhub:steipete-clone/macos-calendar-sync",
    "kind": "skill",
    "verdict": "known_bad",
    "ioc": "clawhub:steipete-clone/macos-calendar-sync",
    "artifact_sha256": "700624e734db9bcd8f85deef09ba096e4af008950e94eeb4749d37172b64f54f",
    "owasp_asi": [
      "ASI01",
      "ASI02",
      "ASI03"
    ],
    "owasp_ast": [
      "AST01",
      "AST06"
    ],
    "rules_matched": [
      "RULE_02_PROMPT_OVERRIDE",
      "RULE_05_PROMPT_EXFIL_SHELL",
      "RULE_08_DESC_BEHAVIOR_MISMATCH"
    ],
    "abom": {
      "fs_sensitive": [
        "~/Library/Group Containers/group.com.apple.notes/NoteStore.sqlite"
      ],
      "env_harvest": [],
      "net_egress": [
        "notes-sync-webhook.invalid:443"
      ],
      "proc_exec": [
        "osascript -e 'tell application \"Notes\"...'"
      ],
      "install_hooks": [],
      "oauth_scopes": [],
      "obfuscation": [],
      "provenance": "author_impersonation_clone"
    },
    "license": "CC-BY-4.0",
    "record_digest": "sha256:d7b81d496b17a863737582a54175d225a15846c29f99ee1c8e342637b526ba6b",
    "release_signature_url": "https://threat.cafe/feed.json.sig"
  }
}

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