概览webBase_pop考点php代码审计、php反序列化、json_decode() - unicode编码绕过 题解访问题目显示如下: get传参 ?source=1得到php源码:source=1 <?phpclass Joker{ private $Error; public function __des…
Pastbin 可以通过竞争 /flag 与 /about 获取到 FLAG ,有多种并发方式,以下提供一种使用 python 的执行并发的方式,仅供参考,后续会提供详细分析的 writeup放在评论区 importasyncioimportaiohttpasyncdefsend_request(session,url):whileTrue:asyncwithsession.get(url)asresp:text=awaitresp.text()if"aliyunctf"int...
Feature Request / Improvement Support partitioned writes So I think we want to tackle the static overwrite first, and then we can compute the predicate for the dynamic overwrite to support that. We can come up with a separate API. I have...
app.use(bodyParser.text({type:'*/*'}));const{ execFileSync } =require('child_process'); app.post('/readfile',function(req, res) {letbody = req.body.toString();letfile_to_read ="app.js";constfile =execFileSync('/app/rust-waf', [body], {encoding:'utf-8'}).trim();try{ f...
(hi)) * 0x100000000);} function makesigned(val) {return (val)|0;} function hiword(val) {return makesigned((val)/0x100000000);} function loword(val) {return makesigned((val)&0xffffffff);} for(var i=0;i<count;i++) { defrag_arr[i] = new Array( 0x11111111,0x22222222,0x33333333...
"clear_re=""foriinrange(len(clear)):if(i%2==0):clear_re+=clear[i+1]else:clear_re+=clear[i-1]c=""foriinrange(len(clear_re)):b=base_now.find(clear_re[i])c+=base_init[b]c=base64.b64decode(c)c=int(c.encode("hex"),16)clear_num=decrypt(c,mk)clear_num=hex(clear_num...
可以看到是用的 Python 的 Flask服务端 可以看到这个地方需要判断 Get 的a参数是否和 Post 的 b 参数一致, 如果一致的话 flag 会写入 Cookie, 我们来通过 Postman 发一次包,得到 flag, 顺便 Url Decode 一下 Postman 传参 Spider 可恶的 Shule 把 flag 偷走了,快跟着 spider 去寻找 flag 的踪迹吧!
for i in range(13):sla(b':', b'y')sl(b'\x00') ia() dwebp: 参考:https://github.com/mistymntncop/CVE-2023-4863 先泄露libc,适当的堆风水并使用CVE越界将存储的size值改大,进一步实现任意地址写。 #!/usr/bin/python3# -*- encoding: utf-8 -*-import base64 ...
// This function shifts the 4 bytes in a word to the left once. // [a0,a1,a2,a3] becomes [a1,a2,a3,a0] // Function RotWord() { const uint8_t u8tmp = tempa[0]; tempa[0] = tempa[1]; tempa[1] = tempa[2];
And I have searched MessageBox Class in VB.net But I have not found any in the VB Language You can choose the language at Top-Right Tuesday, June 16, 2020 10:50 AM ✅Answered | 1 vote Hi Castorix31 Thank you for getting back to me. I have had a look at the Link you ...