test.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import time\n",
    "import lightgbm as lgb\n",
    "from tqdm import tqdm\n",
    "import numpy as np\n",
    "import pandas as pd\n",
    "import matplotlib.pyplot as plt\n",
    "from collections import Counter\n",
    "import pickle\n",
    "from sklearn.model_selection import train_test_split\n",
    "from sklearn.model_selection import StratifiedKFold\n",
    "from sklearn.model_selection import cross_validate\n",
    "from sklearn.model_selection import GridSearchCV\n",
    "from sklearn.feature_extraction.text import TfidfVectorizer\n",
    "\n",
    "from sklearn import svm\n",
    "from sklearn import neighbors\n",
    "from sklearn import naive_bayes\n",
    "from sklearn.svm import LinearSVC\n",
    "from xgboost import XGBClassifier\n",
    "from sklearn.tree import DecisionTreeClassifier\n",
    "from sklearn.linear_model import LogisticRegression\n",
    "from sklearn.linear_model import LogisticRegressionCV\n",
    "from sklearn.tree import DecisionTreeClassifier\n",
    "from sklearn.gaussian_process import GaussianProcessClassifier\n",
    "\n",
    "from sklearn.ensemble import RandomForestClassifier\n",
    "from sklearn.ensemble import AdaBoostClassifier\n",
    "from sklearn.ensemble import BaggingClassifier\n",
    "from sklearn.ensemble import ExtraTreesClassifier\n",
    "from sklearn.ensemble import GradientBoostingClassifier\n",
    "from sklearn.ensemble import VotingClassifier\n",
    "\n",
    "from sklearn import metrics\n",
    "from sklearn.metrics import accuracy_score\n",
    "from sklearn.metrics import classification_report\n",
    "\n",
    "import tensorflow as tf\n",
    "\n",
    "%config InlineBackend.figure_format = 'svg'\n",
    "%matplotlib inline"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 直方图"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "datapath = \"/home/jovyan/histogram\"\n",
    "\n",
    "# with open(\"black_list.pkl\", \"rb\") as f:\n",
    "#     black_list = pickle.load(f)\n",
    "# with open(\"white_list.pkl\", \"rb\") as f:\n",
    "#     white_list = pickle.load(f)\n",
    "\n",
    "# black_path = [os.path.join(datapath, sp) for sp in black_list]\n",
    "# white_path = [os.path.join(datapath, sp) for sp in white_list]\n",
    "\n",
    "with open(\"/home/datacon/malware/XXX/black.txt\", 'r') as f:\n",
    "    black_list = f.read().strip().split()\n",
    "\n",
    "with open(\"/home/datacon/malware/XXX/white.txt\", 'r') as f:\n",
    "    white_list = f.read().strip().split()\n",
    "\n",
    "with open(\"models/hash_list.pkl\", 'rb') as f:\n",
    "    hash_list = pickle.load(f)\n",
    "\n",
    "black_path, white_path = [], []\n",
    "for ha in hash_list:\n",
    "    if ha in black_list:\n",
    "        black_path.append(os.path.join(datapath, ha))\n",
    "    else:\n",
    "        white_path.append(os.path.join(datapath, ha))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "histogram: 100%|████████████████████████| 11647/11647 [00:03<00:00, 3849.49it/s]\n"
     ]
    }
   ],
   "source": [
    "raw_feature, raw_labels = [], []\n",
    "\n",
    "with tqdm(total=11647, ncols=80, desc=\"histogram\") as pbar:\n",
    "    for fp in black_path:\n",
    "        with open(fp+'.txt', 'r') as f:\n",
    "            feature = f.readlines()\n",
    "        feature = [float(his.strip()) for his in feature]\n",
    "        raw_feature.append(feature)\n",
    "        raw_labels.append(1)\n",
    "        pbar.update(1)\n",
    "    for fp in white_path:\n",
    "        with open(fp+'.txt', 'r') as f:\n",
    "            feature = f.readlines()\n",
    "        feature = [float(his.strip()) for his in feature]\n",
    "        raw_feature.append(feature)\n",
    "        raw_labels.append(0)\n",
    "        pbar.update(1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "features, labels = np.array(raw_feature, dtype=np.float32), np.array(raw_labels, dtype=np.int32)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "model = tf.keras.models.load_model('models/histogram_0.97.h5')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "histogram_train = model.predict(features)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3758"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sum([1 for i in histogram_train if i >= 0.5])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## PE静态特征"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"oof/raw_feature_stacking_train_5.pkl\", \"rb\") as fp:\n",
    "    raw_feature_stacking_train_5 = pickle.load(fp)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "labels = []\n",
    "for ha in hash_list:\n",
    "    if ha in black_list:\n",
    "        labels.append(1)\n",
    "    else:\n",
    "        labels.append(0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "def plot(test_label, y_pred, model):\n",
    "    font = {\"color\": \"darkred\",\n",
    "            \"size\": 13,\n",
    "            \"family\": \"serif\"}\n",
    "\n",
    "    accs = accuracy_score(test_label, y_pred)\n",
    "    fpr, tpr, _ = metrics.roc_curve(test_label, y_pred)\n",
    "    auc = metrics.roc_auc_score(test_label, y_pred)\n",
    "    score = tpr[1] - 0.9*fpr[0]\n",
    "    plt.style.use(\"fivethirtyeight\")\n",
    "    fig, ax = plt.subplots()\n",
    "    ax.plot(fpr, tpr, label=\"{0}, auc={1:.2f}, score={2:.2f}\".format(model, auc*100, score*100), color='green', linewidth=2)\n",
    "    ax.set_title(\"ROC curve\", fontdict=font)\n",
    "    leg = ax.legend(loc=\"best\")\n",
    "    text = leg.get_texts()\n",
    "    _ = plt.setp(text, color=\"blue\") "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "train_data, test_data, train_labels, test_labels = train_test_split(raw_feature_stacking_train_5, \n",
    "                                                                    labels, \n",
    "                                                                    test_size=0.2, \n",
    "                                                                    random_state=1)\n",
    "\n",
    "# model = XGBClassifier(n_estimators=300, learning_rate=0.04, max_depth=4, reg_lambda=0.4, seed=4396, scale_pos_weight=3)\n",
    "# model.fit(train_data, train_labels)\n",
    "# y_pred = model.predict(test_data)\n",
    "rfc_pe_model = RandomForestClassifier(100, random_state=8)\n",
    "rfc_pe_model.fit(train_data, train_labels)\n",
    "train_pred = rfc_pe_model.predict(train_data)\n",
    "y_pred = rfc_pe_model.predict(test_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
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   "cell_type": "code",
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   "metadata": {},
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    }
   ],
   "source": [
    "plot(test_labels, y_pred, \"rfc_pe\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
    "raw_feature_train = rfc_pe_model.predict(raw_feature_stacking_train_5).reshape(-1, 1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"models/rfc_pe_model.pkl\", \"wb\") as f:\n",
    "    pickle.dump(rfc_pe_model, f)\n",
    "# with open(\"models/xgb_pe_model.pkl\", \"wb\") as f:\n",
    "#     pickle.dump(rfc_pe_model, f)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 特征工程"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "# with open(\"/home/jovyan/feature_engineering/feature_engineering_features.pkl\", 'rb') as f:\n",
    "#     feature_engineering_features = pickle.load(f)\n",
    "    \n",
    "# with open(\"/home/jovyan/feature_engineering/keys.pkl\", 'rb') as f:\n",
    "#     keys = pickle.load(f)\n",
    "\n",
    "# with open(\"/home/jovyan/models/lgb_models.pkl\", \"rb\") as fp:\n",
    "#     lgb_models = pickle.load(fp)\n",
    "\n",
    "# train_df = pd.DataFrame(feature_engineering_features, columns=keys)\n",
    "\n",
    "# n_splits = 5\n",
    "\n",
    "# oof_test_skf = np.empty((n_splits, 11647))\n",
    "\n",
    "# for i, model in enumerate(lgb_models):\n",
    "#     oof_test_skf[i, :] = model.predict(train_df, num_iteration=model.best_iteration)\n",
    "\n",
    "# feature_engineerin_train = oof_test_skf.mean(axis=0).reshape(-1, 1)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"oof/feature_engineerin_train.pkl\", \"rb\") as fp:\n",
    "    feature_engineerin_train = pickle.load(fp)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 融合"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [],
   "source": [
    "train = np.hstack([feature_engineerin_train, histogram_train , raw_feature_train])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "stacking_train_5 = train\n",
    "\n",
    "train_data, test_data, train_labels, test_labels = train_test_split(stacking_train_5,\n",
    "                                                                    labels,\n",
    "                                                                    test_size=0.2,\n",
    "                                                                    random_state=2020) # 0x4651"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [],
   "source": [
    "lr_model = LogisticRegression(random_state=7)\n",
    "lr_model.fit(train_data, train_labels)\n",
    "train_pre_lr = lr_model.predict(train_data)\n",
    "y_pred_lr = lr_model.predict(test_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
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   "execution_count": 21,
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   "source": [
    "plot(test_labels, y_pred_lr, \"lr\")"
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  },
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   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Training until validation scores don't improve for 20 rounds\n",
      "[200]\ttraining's binary_logloss: 0.0921109\tvalid_1's binary_logloss: 0.0947185\n",
      "[400]\ttraining's binary_logloss: 0.0440921\tvalid_1's binary_logloss: 0.0487651\n",
      "Early stopping, best iteration is:\n",
      "[574]\ttraining's binary_logloss: 0.0387491\tvalid_1's binary_logloss: 0.044802\n"
     ]
    }
   ],
   "source": [
    "params = {'num_leaves': 8, #结果对最终效果影响较大，越大值越好，太大会出现过拟合\n",
    "          'min_data_in_leaf': 1,\n",
    "          'objective': 'binary', #定义的目标函数\n",
    "          'max_depth': 3,\n",
    "          'learning_rate': 0.01,\n",
    "          \"min_sum_hessian_in_leaf\": 8,\n",
    "          \"boosting\": \"gbdt\",\n",
    "          \"feature_fraction\": 0.9,\t#提取的特征比率\n",
    "          \"bagging_freq\": 1,\n",
    "          \"bagging_fraction\": 0.8,\n",
    "          \"bagging_seed\": 11,\n",
    "          \"lambda_l1\": 0.1,\t\t\t\t#l1正则\n",
    "          # 'lambda_l2': 0.001,\t\t#l2正则\n",
    "          \"verbosity\": -1,\n",
    "          \"nthread\": -1,\t\t\t\t#线程数量，-1表示全部线程，线程越多，运行的速度越快\n",
    "          'metric': {'binary_logloss'},\t##评价函数选择\n",
    "          \"random_state\": 5555,\t#随机数种子，可以防止每次运行的结果不一致\n",
    "          # 'device': 'gpu' ##如果安装的事gpu版本的lightgbm,可以加快运算\n",
    "}\n",
    "trn_data = lgb.Dataset(train_data, label=train_labels)\n",
    "val_data = lgb.Dataset(test_data, label=test_labels)\n",
    "clf = lgb.train(params, trn_data, 1000,\n",
    "                    valid_sets=[trn_data, val_data],\n",
    "                    verbose_eval=200,\n",
    "                    early_stopping_rounds=20)\n",
    "train_pred_lgb = clf.predict(train_data)\n",
    "train_pred_lgb_b = np.where(train_pred_lgb < 0.5, 0, 1)\n",
    "\n",
    "y_pred_lgb = clf.predict(test_data)\n",
    "y_pred_lgb_b = np.where(y_pred_lgb < 0.5, 0, 1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
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       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "plot(test_labels, y_pred_lgb_b, \"lgb\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [],
   "source": [
    "rfc_model = RandomForestClassifier(100, random_state=7)\n",
    "rfc_model.fit(train_data, train_labels)\n",
    "train_pred_rfc = rfc_model.predict(train_data)\n",
    "y_pred_rfc = rfc_model.predict(test_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
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       " </defs>\n",
       "</svg>\n"
      ],
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "plot(test_labels, y_pred_rfc, \"rfc\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [],
   "source": [
    "labels_lr = lr_model.predict_proba(train)\n",
    "labels_rfc = rfc_model.predict_proba(train)\n",
    "\n",
    "\n",
    "labels_lgb = clf.predict(stacking_train_5)\n",
    "train_labels = []\n",
    "for x, y in zip(labels_lr, labels_rfc):\n",
    "    if x[1]*0.3 + y[1]*0.7 < 0.5:\n",
    "        train_labels.append(0)\n",
    "    else:\n",
    "        train_labels.append(1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3827"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sum(train_labels)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [],
   "source": [
    "accs = accuracy_score(labels, train_labels)\n",
    "fpr, tpr, _ = metrics.roc_curve(labels, train_labels)\n",
    "auc = metrics.roc_auc_score(labels, train_labels)\n",
    "score = tpr[1] - 1.2*fpr[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(0.9922726882459002, 0.9893859620622801, 0.9807049138152817)"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "accs, auc, score"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"models/lr_rfc.pkl\", \"wb\") as f:\n",
    "    pickle.dump([lr_model, rfc_model], f)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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