????????
???????????NTFS??????????
????1??$MFT????2?????
????2?????????90?????1????????????????????????????????80-100??????????????1???????
????3???д??????????2?????????????ɡ?(???????2?????)
????1??shell ??????￡?
#!/bin/sh
#
#
#  Created by www.frombyte.com    ???? on 2017/3/29.
#
mkdir /mnt/padding
cd /mnt/padding
#?????for???????30???????????????80-100?????????С?16K-48K??????λ???????
for((i=1;i<=30;i++));do
mkdir /mnt/$i
r1=$(($RANDOM % 20))
for((ii=1;ii<80+$r1;ii++));do
r2=$(($RANDOM % 8 + 4))
dd if=/dev/urandom of=/mnt/$i/$ii bs=4096 count=$r2
done
done
#sleep 60 ???????????flush
sleep 60
#?????for?????dd??????for???????????????0-16K??λ???д??48K-80K??????????2?????
for((i=1;i<=30;i++));do
cd /mnt/$i
r2=$(($RANDOM % 8 + 12))
r3=$(($RANDOM % 4))
for ii in `ls`;do
r2=$(($RANDOM % 8 + 12))
dd if=/dev/urandom of=/mnt/$i/$ii bs=4096 seek=$r3 count=$r2
done
done
#???65000????????????????NTFS $MFT???????????????????Σ????????$MFT ?????
for((i=1;i<65000;i++));do
touch $i
done
#????????for?????????????????for????????????Щ????????????д??$mft?????????????????????????????????
for((i=31;i<=90;i++));do
mkdir /mnt/$i
r1=$(($RANDOM % 20))
for((ii=1;ii<80+$r1;ii++));do
r2=$(($RANDOM % 8 + 4))
dd if=/dev/urandom of=/mnt/$i/$ii bs=4096 count=$r2
done
done
sleep 60
for((i=31;i<=90;i++));do
cd /mnt/$i
r2=$(($RANDOM % 8 + 12))
r3=$(($RANDOM % 4))
for ii in `ls`;do
r2=$(($RANDOM % 8 + 12))
dd if=/dev/urandom of=/mnt/$i/$ii bs=4096 seek=$r3 count=$r2
done
done
#???padding??????????????
rm -rf /mnt/padding
????2????shell?????????????
qemu-img create -f raw test2.img 1G
qemu-nbd -f raw -c /dev/nbd0 test2.img
fdisk /dev/nbd0  #??????????????/dev/nbd0????????????????????parted?????
mkfs.ntfs -f /dev/nbd0p1
mount.ntfs-3g /dev/nbd0p1 /mnt
/bin/bash run.sh
????3???????????????
???????????ntfscluster -f -I 0 /dev/nbd0p1
?????????????????$mft????2??????
Forced to continue.
Dump: /$MFT
0x10 - resident
0x30 - resident
0x80 - non-resident
VCN     LCN     Length
0        4    16387
16387    20488     1880
0xb0 - non-resident
VCN     LCN     Length
0        2        2
2    16391        1
???????????ntfscluster -f -F 1/ /dev/nbd0p1
???????????????????????????2?????
Forced to continue.
Unnormalized path 1/
Dump: /1
0x10 - resident
0x30 - resident
0x50 - resident
0x90 - resident
0xa0 - non-resident
VCN     LCN     Length
0    53328        2
2    49238        1
0xb0 - resident
????????????
????ntfscluster -f -F 60/9 /dev/nbd0p1
????????????????????????????2?????
Forced to continue.
Dump: /60/9
0x10 - resident
0x30 - resident
0x50 - resident
0x80 - non-resident
VCN     LCN     Length
0   211991        8
8   115298        7