{"id":220,"date":"2021-09-12T16:14:08","date_gmt":"2021-09-12T08:14:08","guid":{"rendered":"https:\/\/0x.mk\/?p=220"},"modified":"2021-09-12T16:14:09","modified_gmt":"2021-09-12T08:14:09","slug":"crackproof%e5%a3%b3%e5%88%86%e6%9e%90%ef%bc%881%ef%bc%89","status":"publish","type":"post","link":"https:\/\/0x.mk\/?p=220","title":{"rendered":"CrackProof\u58f3\u5206\u6790\uff081\uff09"},"content":{"rendered":"\n<p>\u6700\u8fd1\u5728\u5c1d\u8bd5\u5206\u6790\u5f88\u591a\u624b\u6e38\u7528\u7684CrackProof\u58f3\uff0c\u8bb0\u5f55\u4e00\u4e0b\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<p>\u4f17\u6240\u5468\u77e5\uff0c\u8fd9\u4e2a\u58f3\u7684\u4e00\u5927\u7279\u8272\u5c31\u662f\u6240\u6709\u89e3\u5bc6\u548c\u68c0\u6d4b\u5728<code>.init_array<\/code>\u6bb5\u5b8c\u6210\uff0c\u5e76\u4e14\u53ea\u6709\u91cc\u9762\u6307\u5411\u7684\u7b2c\u4e00\u4e2a\u51fd\u6570\u662f\u771f\u6b63\u7684\uff0c\u4ece\u7b2c\u4e8c\u4e2a\u5f00\u59cb\u5c31\u4f1a\u5f800x0\u778e\u5199\u4e1c\u897f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1210\" height=\"275\" src=\"https:\/\/0x.mk\/wp-content\/uploads\/2021\/09\/image-2.png\" alt=\"\" class=\"wp-image-221\"\/><\/figure>\n\n\n\n<p>\u56e0\u4e3a\u8fd9\u4e2a\u58f3\u6ca1\u6709\u7528\u4efb\u4f55libc\u7684\u4e1c\u897f\uff0c\u5e76\u4e14\u6240\u6709\u8c03\u7528\u90fd\u662f\u901a\u8fc7syscall\u8fdb\u884c\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u51e0\u4e4e\u770b\u4e0d\u5230\u53ef\u4ee5\u778e\u731c\u7684\u51fd\u6570\u540d\uff0c\u4e8e\u662f\u4e00\u8def\u4ece\u7b2c\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\u70b9\u5230\u5e95\uff0c\u53ef\u4ee5\u770b\u5230\u4e00\u4e2a\u89e3\u5bc6\u5b57\u7b26\u4e32\u7684\u51fd\u6570\uff0c\u4ed6\u5927\u6982\u957f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1144\" height=\"531\" src=\"https:\/\/0x.mk\/wp-content\/uploads\/2021\/09\/image-3.png\" alt=\"\" class=\"wp-image-222\"\/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>int8_t* decrypt_string(int8_t *result, unsigned __int64 len)\r\n{\r\n    unsigned __int8 v2; \/\/ &#91;xsp+17h] &#91;xbp-19h]\r\n    unsigned __int64 i; \/\/ &#91;xsp+28h] &#91;xbp-8h]\r\n\r\n    for ( i = 0LL; i &lt; len; ++i )\r\n    {\r\n        v2 = result&#91;i];\r\n        if ( !v2 )\r\n            break;\r\n        result&#91;i] = ~(((int)v2 >> 3) | (32 * v2)) - (i &amp; 3);\r\n    }\r\n    return result;\r\n}<\/code><\/pre>\n\n\n\n<p>\u4e0b\u9762\u7684\u51fd\u6570\u4e5f\u80fd\u731c\u51fa\u6765\u662f\u8bfb\u53d6\u6587\u4ef6\u7684\u4e86<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1480\" height=\"1394\" src=\"https:\/\/0x.mk\/wp-content\/uploads\/2021\/09\/image-4.png\" alt=\"\" class=\"wp-image-224\"\/><figcaption>\u8bfb\u5b8cmaps\u540e\u4e00\u884c\u4e00\u884c\u5904\u7406\uff0c\u627e\u5230\u81ea\u5df1\u6240\u5728\u7684\u53ef\u6267\u884c\u6bb5\u5bf9\u5e94\u7684\u6587\u4ef6\u540d<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1660\" height=\"1180\" src=\"https:\/\/0x.mk\/wp-content\/uploads\/2021\/09\/image-5.png\" alt=\"\" class=\"wp-image-225\"\/><\/figure>\n\n\n\n<p>\u63a5\u4e0b\u6765\u6253\u5f00\u81ea\u5df1\u5bf9\u5e94\u7684so\u5e76parse\uff0c\u627e\u5230SHT\u4e2dtype\u4e3aSHT_LOUSER\u7684\u4e00\u6bb5\uff0c\u8bfb\u4ed6\u7684\u504f\u79fb+0x23B\u7684\u6570\u636e0x20\u5b57\u8282<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1490\" height=\"1342\" src=\"https:\/\/0x.mk\/wp-content\/uploads\/2021\/09\/image-6.png\" alt=\"\" class=\"wp-image-226\"\/><\/figure>\n\n\n\n<p>\u7136\u540e\u9001\u53bb\u89e3\u5bc6\uff0c\u89e3\u5bc6\u51fa\u6765\u7684\u662f\u4e00\u6bb5\u6570\u636e\u5934<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>__int64 __fastcall decrypt_code_internal(\r\n        uint32_t init,\r\n        char *data,\r\n        unsigned __int64 blocks,\r\n        unsigned __int64 start_off)\r\n{\r\n  int i; \/\/ &#91;xsp+3Ch] &#91;xbp-4h]\r\n\r\n  for ( i = start_off >> 2; i &lt; (int)(blocks >> 2); ++i )\r\n  {\r\n    *(_DWORD *)&amp;data&#91;4 * i] += (i + 3) * init;\r\n    *(_DWORD *)&amp;data&#91;4 * i] ^= 0xBF20165D * (i + 1);\r\n  }\r\n  return 1LL;\r\n}\n<\/code><\/pre>\n\n\n\n<p>\u6839\u636e\u6570\u636e\u5934\u7684\u5b9a\u4e49\u7ee7\u7eed\u5f80\u4e0b\u8bfb\u53d6\u4e00\u6bb5\u88ab\u52a0\u5bc6\u7684\u4ee3\u7801\uff0c\u89e3\u5bc6\u540e\u8bbe\u7f6e\u53ef\u6267\u884c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1632\" height=\"1125\" src=\"https:\/\/0x.mk\/wp-content\/uploads\/2021\/09\/image-7.png\" alt=\"\" class=\"wp-image-227\"\/><\/figure>\n\n\n\n<p>\u7136\u540e\u8df3\u8f6c\u8fc7\u53bb\u6267\u884c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1963\" height=\"690\" src=\"https:\/\/0x.mk\/wp-content\/uploads\/2021\/09\/image-8.png\" alt=\"\" class=\"wp-image-228\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u5728\u5c1d\u8bd5\u5206\u6790\u5f88\u591a\u624b\u6e38\u7528\u7684CrackProof\u58f3\uff0c\u8bb0\u5f55\u4e00\u4e0b\u8fc7\u7a0b\uff1a \u4f17\u6240\u5468\u77e5\uff0c\u8fd9\u4e2a\u58f3\u7684\u4e00\u5927\u7279\u8272\u5c31\u662f\u6240\u6709 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[13,14],"class_list":["post-220","post","type-post","status-publish","format-standard","hentry","category-11","tag-crackproof","tag-princessconnect"],"_links":{"self":[{"href":"https:\/\/0x.mk\/index.php?rest_route=\/wp\/v2\/posts\/220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/0x.mk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/0x.mk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/0x.mk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/0x.mk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=220"}],"version-history":[{"count":2,"href":"https:\/\/0x.mk\/index.php?rest_route=\/wp\/v2\/posts\/220\/revisions"}],"predecessor-version":[{"id":229,"href":"https:\/\/0x.mk\/index.php?rest_route=\/wp\/v2\/posts\/220\/revisions\/229"}],"wp:attachment":[{"href":"https:\/\/0x.mk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/0x.mk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/0x.mk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}