{
  "author": "_soteria-rules-edr-926e2197-189b-4d89-9675-c8993933dc9a[bulk][segment]",
  "cat": "00087-NIX-Touch_Timestomping",
  "detect": {
    "event": {
      "COMMAND_LINE": "touch -r /snap/snapd-desktop-integration/391/gnome-platform /home/dfusion/snap/snapd-desktop-integration/common/.cache/desktop-runtime-date",
      "FILE_PATH": "/usr/bin/touch",
      "HASH": "5244e873c97db0bc4cd9d491eac48d08fba366a7e6584b3fc6225e8aa9d2acaf",
      "PARENT": {
        "COMMAND_LINE": "/bin/bash /snap/snapd-desktop-integration/391/snap/command-chain/gpu-2404-wrapper /snap/snapd-desktop-integration/391/snap/command-chain/desktop-launch /snap/snapd-desktop-integration/391/usr/bin/user-session-helper /snap/snapd-desktop-integration/391/usr/bin/snapd-desktop-integration",
        "FILE_PATH": "/usr/bin/bash",
        "HASH": "bc5945feb8bd26203ebfafea5ce1878bb2e32cb8fb50ab7ae395cfb1e1aaaef1",
        "MEMORY_USAGE": 3739648,
        "PARENT_ATOM": "10ebd25e2ee95fd33d0bd7536a60cd1b",
        "PARENT_PROCESS_ID": 736940,
        "PROCESS_ID": 736961,
        "THIS_ATOM": "218e436d2bb5024eda89b22d6a60cd1c",
        "THREADS": 1,
        "TIMESTAMP": 1784728859665,
        "USER_ID": 1000,
        "USER_NAME": "dfusion"
      },
      "PARENT_PROCESS_ID": 736961,
      "PROCESS_ID": 737177,
      "USER_ID": 1000,
      "USER_NAME": "dfusion"
    },
    "routing": {
      "arch": 2,
      "did": "",
      "event_id": "e99956be-3dd1-45ef-ad8c-f6a229055309",
      "event_time": 1784728859864,
      "event_type": "NEW_PROCESS",
      "ext_ip": "67.60.122.240",
      "hostname": "fusionserver",
      "iid": "47501359-645e-4049-906e-e6195da7afcf",
      "int_ip": "192.168.1.6",
      "latency": 361,
      "moduleid": 2,
      "oid": "ad19afae-3759-4207-b06e-8648b225c455",
      "parent": "218e436d2bb5024eda89b22d6a60cd1c",
      "plat": 536870912,
      "sid": "04e68799-92b7-411a-9abf-293a59ff94df",
      "tags": [
        "fusion-soc-case",
        "fusion-soc-pulled",
        "fusion-soc-triage"
      ],
      "this": "643c0cf6349be7dbdfe5c71b6a60cd1c"
    }
  },
  "detect_id": "4665dc3b-e923-4116-a9a6-137e6a60cd1c",
  "detect_mtd": {
    "description": "Touch is a Unix tool used to create empty files and modify time stamps. Timestomping is a technique that modifies the timestamps of a file for defense evasion and antiforensics. Adversaries may use Touch to modify timestamps of malicious files.",
    "falsepositives": [
      "System Administrators may legitimately use Touch to modify a file\u0027s timestamp for reason such as source control approaches to storage usage analysis."
    ],
    "references": [
      "https://www.elastic.co/guide/en/security/current/timestomping-using-touch-command.html",
      "https://attack.mitre.org/techniques/T1070/006/",
      "https://redcanary.com/blog/rocke-cryptominer/",
      "http://man7.org/linux/man-pages/man1/touch.1.html"
    ],
    "tags": [
      "attack.tA0005",
      "attack.t1070",
      "attack.t1070.006"
    ]
  },
  "gen_time": 1784728860226,
  "link": "https://app.limacharlie.io/orgs/ad19afae-3759-4207-b06e-8648b225c455/sensors/04e68799-92b7-411a-9abf-293a59ff94df/timeline?time=1784728859\u0026selected=643c0cf6349be7dbdfe5c71b6a60cd1c",
  "namespace": "general",
  "priority": 2,
  "routing": {
    "arch": 2,
    "did": "",
    "event_id": "e99956be-3dd1-45ef-ad8c-f6a229055309",
    "event_time": 1784728859864,
    "event_type": "NEW_PROCESS",
    "ext_ip": "67.60.122.240",
    "hostname": "fusionserver",
    "iid": "47501359-645e-4049-906e-e6195da7afcf",
    "int_ip": "192.168.1.6",
    "latency": 361,
    "moduleid": 2,
    "oid": "ad19afae-3759-4207-b06e-8648b225c455",
    "parent": "218e436d2bb5024eda89b22d6a60cd1c",
    "plat": 536870912,
    "sid": "04e68799-92b7-411a-9abf-293a59ff94df",
    "tags": [
      "fusion-soc-case",
      "fusion-soc-pulled",
      "fusion-soc-triage"
    ],
    "this": "643c0cf6349be7dbdfe5c71b6a60cd1c"
  },
  "rule_tags": [
    "ext:soteria-rules-edr",
    "attack.tA0005",
    "attack.t1070",
    "attack.t1070.006"
  ],
  "source": "ad19afae-3759-4207-b06e-8648b225c455.47501359-645e-4049-906e-e6195da7afcf.04e68799-92b7-411a-9abf-293a59ff94df.20000000.2",
  "source_rule": "service.NIX-Touch_Timestomping",
  "ts": 1784728860000
}

{
  "virustotal": {
    "error": "Not found in VT",
    "malicious": false,
    "provider": "virustotal"
  }
}

{
  "confidence": 0.0,
  "false_positive_reason": null,
  "investigation_questions": [],
  "ioc_analysis": "",
  "iocs_extracted": [],
  "mitre_techniques": [],
  "recommended_actions": [
    "Manual analyst review required \u2014 AI models (majority)",
    "Manual review required"
  ],
  "risk_score": 50,
  "severity": "high",
  "summary": "**Vote: MAJORITY (1/1 -\u003e TRUE POSITIVE)**\n\n### \ud83e\udd16 qwen3.5:4b Analysis (Secondary)\nFailed or timed out.\n\n---\n\n### \ud83e\udd16 deepseek-r1:16b Analysis (Secondary)\nFailed or timed out.\n\n---\n\n### \ud83e\udd16 gemma3:4b Analysis (Secondary)\nFailed or timed out.",
  "verdict": "true_positive",
  "voting": {
    "auto_action": "manual_review",
    "mode": "majority",
    "total_models": 1,
    "vote_summary": [
      "qwen3.5:35b: true_positive (medium, 0% confidence)"
    ],
    "votes": [
      {
        "confidence": 0.0,
        "model": "qwen3.5:35b",
        "verdict": "true_positive"
      }
    ],
    "winning_count": 1,
    "winning_verdict": "true_positive"
  }
}