diff --git a/ismalicious/1.0.0/api.yaml b/ismalicious/1.0.0/api.yaml
new file mode 100644
index 00000000..370bd37b
--- /dev/null
+++ b/ismalicious/1.0.0/api.yaml
@@ -0,0 +1,160 @@
+walkoff_version: 1.0.0
+app_version: 1.0.0
+name: ismalicious
+description: isMalicious threat intelligence platform - check IPs and domains for malicious activity
+tags:
+  - Threat Intelligence
+  - Security
+  - IOC
+categories:
+  - SIEM
+  - Threat Intelligence
+contact_info:
+  name: "isMalicious"
+  url: https://ismalicious.com
+  email: "support@ismalicious.com"
+authentication:
+  required: true
+  parameters:
+    - name: api_key
+      description: isMalicious API Key
+      example: "your-api-key"
+      required: true
+      schema:
+        type: string
+    - name: api_secret
+      description: isMalicious API Secret
+      example: "your-api-secret"
+      required: true
+      schema:
+        type: string
+    - name: api_url
+      description: API Base URL (default https://ismalicious.com)
+      example: "https://ismalicious.com"
+      required: false
+      schema:
+        type: string
+actions:
+  - name: check_ip
+    description: Check if an IP address is malicious
+    parameters:
+      - name: ip
+        description: IP address to check
+        multiline: false
+        example: "8.8.8.8"
+        required: true
+        schema:
+          type: string
+      - name: enrichment
+        description: Enrichment level (basic, standard, full)
+        multiline: false
+        options:
+          - basic
+          - standard
+          - full
+        required: false
+        example: "standard"
+        schema:
+          type: string
+    returns:
+      schema:
+        type: string
+      example: |
+        {
+          "success": true,
+          "malicious": false,
+          "riskScore": 15,
+          "categories": [],
+          "sources": []
+        }
+  - name: check_domain
+    description: Check if a domain is malicious
+    parameters:
+      - name: domain
+        description: Domain to check
+        multiline: false
+        example: "example.com"
+        required: true
+        schema:
+          type: string
+      - name: enrichment
+        description: Enrichment level (basic, standard, full)
+        multiline: false
+        options:
+          - basic
+          - standard
+          - full
+        required: false
+        example: "standard"
+        schema:
+          type: string
+    returns:
+      schema:
+        type: string
+      example: |
+        {
+          "success": true,
+          "malicious": true,
+          "riskScore": 85,
+          "categories": ["phishing"],
+          "sources": ["VirusTotal", "URLhaus"]
+        }
+  - name: get_reputation
+    description: Get reputation data for an IP or domain
+    parameters:
+      - name: query
+        description: IP address or domain to check
+        multiline: false
+        example: "8.8.8.8"
+        required: true
+        schema:
+          type: string
+    returns:
+      schema:
+        type: string
+      example: |
+        {
+          "success": true,
+          "reputation": {
+            "score": 85,
+            "category": "trusted"
+          }
+        }
+  - name: get_location
+    description: Get geolocation data for an IP address
+    parameters:
+      - name: ip
+        description: IP address to geolocate
+        multiline: false
+        example: "8.8.8.8"
+        required: true
+        schema:
+          type: string
+    returns:
+      schema:
+        type: string
+      example: |
+        {
+          "success": true,
+          "geo": {
+            "country": "US",
+            "city": "Mountain View",
+            "lat": 37.4056,
+            "lon": -122.0775
+          }
+        }
+  - name: get_blocklist_stats
+    description: Get statistics about available blocklists
+    parameters: []
+    returns:
+      schema:
+        type: string
+      example: |
+        {
+          "success": true,
+          "stats": {
+            "totalIPs": 150000,
+            "totalDomains": 200000
+          }
+        }
+large_image: data:image/png;base64,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
diff --git a/ismalicious/1.0.0/requirements.txt b/ismalicious/1.0.0/requirements.txt
new file mode 100644
index 00000000..4a5625c7
--- /dev/null
+++ b/ismalicious/1.0.0/requirements.txt
@@ -0,0 +1 @@
+requests>=2.25.0
diff --git a/ismalicious/1.0.0/src/app.py b/ismalicious/1.0.0/src/app.py
new file mode 100644
index 00000000..30fa9aaa
--- /dev/null
+++ b/ismalicious/1.0.0/src/app.py
@@ -0,0 +1,119 @@
+import json
+import base64
+import requests
+from walkoff_app_sdk.app_base import AppBase
+
+
+class isMalicious(AppBase):
+    __version__ = "1.0.0"
+    app_name = "ismalicious"
+
+    def __init__(self, redis, logger, console_logger=None):
+        super().__init__(redis, logger, console_logger)
+
+    def _get_auth_header(self, api_key, api_secret):
+        """Generate authentication header."""
+        credentials = f"{api_key}:{api_secret}"
+        encoded = base64.b64encode(credentials.encode()).decode()
+        return {"X-API-KEY": encoded, "Accept": "application/json"}
+
+    def _get_base_url(self, api_url=None):
+        """Get base URL with fallback to default."""
+        if api_url and api_url.strip():
+            return api_url.rstrip("/")
+        return "https://ismalicious.com"
+
+    def check_ip(self, api_key, api_secret, ip, enrichment="standard", api_url=None):
+        """Check if an IP address is malicious."""
+        base_url = self._get_base_url(api_url)
+        headers = self._get_auth_header(api_key, api_secret)
+
+        try:
+            response = requests.get(
+                f"{base_url}/api/check",
+                params={"query": ip, "enrichment": enrichment or "standard"},
+                headers=headers,
+                timeout=30,
+            )
+            response.raise_for_status()
+            result = response.json()
+            return json.dumps({"success": True, **result})
+        except requests.exceptions.RequestException as e:
+            return json.dumps({"success": False, "error": str(e)})
+
+    def check_domain(
+        self, api_key, api_secret, domain, enrichment="standard", api_url=None
+    ):
+        """Check if a domain is malicious."""
+        base_url = self._get_base_url(api_url)
+        headers = self._get_auth_header(api_key, api_secret)
+
+        try:
+            response = requests.get(
+                f"{base_url}/api/check",
+                params={"query": domain, "enrichment": enrichment or "standard"},
+                headers=headers,
+                timeout=30,
+            )
+            response.raise_for_status()
+            result = response.json()
+            return json.dumps({"success": True, **result})
+        except requests.exceptions.RequestException as e:
+            return json.dumps({"success": False, "error": str(e)})
+
+    def get_reputation(self, api_key, api_secret, query, api_url=None):
+        """Get reputation data for an IP or domain."""
+        base_url = self._get_base_url(api_url)
+        headers = self._get_auth_header(api_key, api_secret)
+
+        try:
+            response = requests.get(
+                f"{base_url}/api/check/reputation",
+                params={"query": query},
+                headers=headers,
+                timeout=30,
+            )
+            response.raise_for_status()
+            result = response.json()
+            return json.dumps({"success": True, **result})
+        except requests.exceptions.RequestException as e:
+            return json.dumps({"success": False, "error": str(e)})
+
+    def get_location(self, api_key, api_secret, ip, api_url=None):
+        """Get geolocation data for an IP address."""
+        base_url = self._get_base_url(api_url)
+        headers = self._get_auth_header(api_key, api_secret)
+
+        try:
+            response = requests.get(
+                f"{base_url}/api/check/location",
+                params={"query": ip},
+                headers=headers,
+                timeout=30,
+            )
+            response.raise_for_status()
+            result = response.json()
+            return json.dumps({"success": True, **result})
+        except requests.exceptions.RequestException as e:
+            return json.dumps({"success": False, "error": str(e)})
+
+    def get_blocklist_stats(self, api_key, api_secret, api_url=None):
+        """Get statistics about available blocklists."""
+        base_url = self._get_base_url(api_url)
+        headers = self._get_auth_header(api_key, api_secret)
+
+        try:
+            response = requests.get(
+                f"{base_url}/api/blocklist/stats",
+                headers=headers,
+                timeout=30,
+            )
+            response.raise_for_status()
+            result = response.json()
+            return json.dumps({"success": True, **result})
+        except requests.exceptions.RequestException as e:
+            return json.dumps({"success": False, "error": str(e)})
+
+
+if __name__ == "__main__":
+    isMalicious.run()