Linux ubuntu 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64
nginx/1.24.0
: 67.217.245.49 | : 216.73.216.153
Cant Read [ /etc/named.conf ]
8.3.6
www-data
Bypass.pw
Terminal
AUTO ROOT
Adminer
Backdoor Destroyer
Linux Exploit
Lock Shell
Lock File
Create User
CREATE RDP
PHP Mailer
BACKCONNECT
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Backdoor Scanner
Backdoor Create
Alfa Webshell
CPANEL RESET
CREATE WP USER
README
+ Create Folder
+ Create File
/
usr /
sbin /
[ HOME SHELL ]
Name
Size
Permission
Action
ModemManager
2.07
MB
-rwxr-xr-x
a2disconf
15.75
KB
-rwxr-xr-x
a2dismod
15.75
KB
-rwxr-xr-x
a2dissite
15.75
KB
-rwxr-xr-x
a2enconf
15.75
KB
-rwxr-xr-x
a2enmod
15.75
KB
-rwxr-xr-x
a2ensite
15.75
KB
-rwxr-xr-x
a2query
9.6
KB
-rwxr-xr-x
aa-load
38.75
KB
-rwxr-xr-x
aa-remove-unknown
3.15
KB
-rwxr-xr-x
aa-status
39.06
KB
-rwxr-xr-x
aa-teardown
137
B
-rwxr-xr-x
accessdb
14.55
KB
-rwxr-xr-x
add-shell
1.03
KB
-rwxr-xr-x
addgnupghome
3
KB
-rwxr-xr-x
addgroup
53.9
KB
-rwxr-xr-x
adduser
53.9
KB
-rwxr-xr-x
agetty
59.56
KB
-rwxr-xr-x
apache2
736.55
KB
-rwxr-xr-x
apache2ctl
7.26
KB
-rwxr-xr-x
apachectl
7.26
KB
-rwxr-xr-x
apparmor_parser
1.55
MB
-rwxr-xr-x
apparmor_status
39.06
KB
-rwxr-xr-x
applygnupgdefaults
2.17
KB
-rwxr-xr-x
argdist-bpfcc
36
KB
-rwxr-xr-x
arp
61.61
KB
-rwxr-xr-x
arpd
26.33
KB
-rwxr-xr-x
arptables
219.16
KB
-rwxr-xr-x
arptables-nft
219.16
KB
-rwxr-xr-x
arptables-nft-restore
219.16
KB
-rwxr-xr-x
arptables-nft-save
219.16
KB
-rwxr-xr-x
arptables-restore
219.16
KB
-rwxr-xr-x
arptables-save
219.16
KB
-rwxr-xr-x
audisp-af_unix
14.31
KB
-rwxr-xr-x
audisp-remote
50.41
KB
-rwxr-xr-x
audisp-syslog
18.3
KB
-rwxr-xr-x
audispd-zos-remote
34.38
KB
-rwxr-xr-x
auditctl
50.5
KB
-rwxr-xr-x
auditd
118.41
KB
-rwxr-xr-x
augenrules
3.74
KB
-rwxr-xr-x
aureport
110.41
KB
-rwxr-xr-x
ausearch
110.45
KB
-rwxr-xr-x
autrace
18.3
KB
-rwxr-xr-x
badblocks
34.32
KB
-rwxr-xr-x
bashreadline-bpfcc
2.32
KB
-rwxr-xr-x
bashreadline.bt
698
B
-rwxr-xr-x
bcache-super-show
14.3
KB
-rwxr-xr-x
bindsnoop-bpfcc
15.96
KB
-rwxr-xr-x
biolatency-bpfcc
11.1
KB
-rwxr-xr-x
biolatency-kp.bt
664
B
-rwxr-xr-x
biolatency.bt
681
B
-rwxr-xr-x
biolatpcts-bpfcc
10.01
KB
-rwxr-xr-x
biopattern-bpfcc
3.86
KB
-rwxr-xr-x
biosdecode
27.2
KB
-rwxr-xr-x
biosnoop-bpfcc
10.58
KB
-rwxr-xr-x
biosnoop.bt
1.12
KB
-rwxr-xr-x
biostacks.bt
915
B
-rwxr-xr-x
biotop-bpfcc
9.34
KB
-rwxr-xr-x
bitesize-bpfcc
1.14
KB
-rwxr-xr-x
bitesize.bt
567
B
-rwxr-xr-x
blkdeactivate
15.97
KB
-rwxr-xr-x
blkdiscard
22.38
KB
-rwxr-xr-x
blkid
54.41
KB
-rwxr-xr-x
blkzone
34.38
KB
-rwxr-xr-x
blockdev
34.38
KB
-rwxr-xr-x
bpflist-bpfcc
2.54
KB
-rwxr-xr-x
bpftool
1.58
KB
-rwxr-xr-x
bridge
108.49
KB
-rwxr-xr-x
btrfsdist-bpfcc
6.47
KB
-rwxr-xr-x
btrfsslower-bpfcc
9.75
KB
-rwxr-xr-x
cache_check
1.36
MB
-rwxr-xr-x
cache_dump
1.36
MB
-rwxr-xr-x
cache_metadata_size
1.36
MB
-rwxr-xr-x
cache_repair
1.36
MB
-rwxr-xr-x
cache_restore
1.36
MB
-rwxr-xr-x
cache_writeback
1.36
MB
-rwxr-xr-x
cachestat-bpfcc
6.38
KB
-rwxr-xr-x
cachetop-bpfcc
9.15
KB
-rwxr-xr-x
capable-bpfcc
8.28
KB
-rwxr-xr-x
capable.bt
1.88
KB
-rwxr-xr-x
capsh
57.09
KB
-rwxr-xr-x
cfdisk
94.73
KB
-rwxr-xr-x
cgdisk
166.48
KB
-rwxr-xr-x
chcpu
30.38
KB
-rwxr-xr-x
check_forensic
952
B
-rwxr-xr-x
chgpasswd
58.32
KB
-rwxr-xr-x
chmem
34.38
KB
-rwxr-xr-x
chpasswd
54.43
KB
-rwxr-xr-x
chroot
38.51
KB
-rwxr-xr-x
cobjnew-bpfcc
53
B
-rwxr-xr-x
compactsnoop-bpfcc
11.1
KB
-rwxr-xr-x
cpgr
48.45
KB
-rwxr-xr-x
cppw
48.45
KB
-rwxr-xr-x
cpudist-bpfcc
6.85
KB
-rwxr-xr-x
cpuunclaimed-bpfcc
14.59
KB
-rwxr-xr-x
cpuwalk.bt
497
B
-rwxr-xr-x
criticalstat-bpfcc
8.41
KB
-rwxr-xr-x
cron
58.67
KB
-rwxr-xr-x
cryptdisks_start
1.51
KB
-rwxr-xr-x
cryptdisks_stop
844
B
-rwxr-xr-x
cryptsetup
225.9
KB
-rwxr-xr-x
ctrlaltdel
14.38
KB
-rwxr-xr-x
dbslower-bpfcc
7.22
KB
-rwxr-xr-x
dbstat-bpfcc
3.7
KB
-rwxr-xr-x
dcb
80.52
KB
-rwxr-xr-x
dcsnoop-bpfcc
4.03
KB
-rwxr-xr-x
dcsnoop.bt
1.23
KB
-rwxr-xr-x
dcstat-bpfcc
3.77
KB
-rwxr-xr-x
deadlock-bpfcc
20.45
KB
-rwxr-xr-x
debugfs
225.87
KB
-rwxr-xr-x
delgroup
18.53
KB
-rwxr-xr-x
deluser
18.53
KB
-rwxr-xr-x
depmod
170.24
KB
-rwxr-xr-x
devlink
150.86
KB
-rwxr-xr-x
dhcpcd
395.4
KB
-rwxr-xr-x
dirtop-bpfcc
8.37
KB
-rwxr-xr-x
dmeventd
50.38
KB
-rwxr-xr-x
dmidecode
135.25
KB
-rwxr-xr-x
dmsetup
171.05
KB
-rwxr-xr-x
dmstats
171.05
KB
-rwxr-xr-x
dosfsck
78.38
KB
-rwxr-xr-x
dosfslabel
38.38
KB
-rwxr-xr-x
dpkg-preconfigure
4.25
KB
-rwxr-xr-x
dpkg-reconfigure
4.43
KB
-rwxr-xr-x
drsnoop-bpfcc
6.73
KB
-rwxr-xr-x
dumpe2fs
34.31
KB
-rwxr-xr-x
e2freefrag
18.3
KB
-rwxr-xr-x
e2fsck
364.34
KB
-rwxr-xr-x
e2image
42.31
KB
-rwxr-xr-x
e2label
110.56
KB
-rwxr-xr-x
e2mmpstatus
34.31
KB
-rwxr-xr-x
e2scrub
7.12
KB
-rwxr-xr-x
e2scrub_all
5.27
KB
-rwxr-xr-x
e2undo
22.3
KB
-rwxr-xr-x
e4crypt
30.38
KB
-rwxr-xr-x
e4defrag
34.3
KB
-rwxr-xr-x
ebtables
219.16
KB
-rwxr-xr-x
ebtables-nft
219.16
KB
-rwxr-xr-x
ebtables-nft-restore
219.16
KB
-rwxr-xr-x
ebtables-nft-save
219.16
KB
-rwxr-xr-x
ebtables-restore
219.16
KB
-rwxr-xr-x
ebtables-save
219.16
KB
-rwxr-xr-x
ebtables-translate
219.16
KB
-rwxr-xr-x
era_check
1.36
MB
-rwxr-xr-x
era_dump
1.36
MB
-rwxr-xr-x
era_invalidate
1.36
MB
-rwxr-xr-x
era_restore
1.36
MB
-rwxr-xr-x
ethtool
651.68
KB
-rwxr-xr-x
execsnoop-bpfcc
9.82
KB
-rwxr-xr-x
execsnoop.bt
928
B
-rwxr-xr-x
exitsnoop-bpfcc
9.42
KB
-rwxr-xr-x
ext4dist-bpfcc
6.53
KB
-rwxr-xr-x
ext4slower-bpfcc
9.71
KB
-rwxr-xr-x
faillock
22.31
KB
-rwxr-xr-x
fatlabel
38.38
KB
-rwxr-xr-x
fdisk
114.42
KB
-rwxr-xr-x
filefrag
18.32
KB
-rwxr-xr-x
filegone-bpfcc
5.64
KB
-rwxr-xr-x
filelife-bpfcc
6.38
KB
-rwxr-xr-x
fileslower-bpfcc
7.2
KB
-rwxr-xr-x
filetop-bpfcc
6.35
KB
-rwxr-xr-x
findfs
14.38
KB
-rwxr-xr-x
fixparts
58.48
KB
-rwxr-xr-x
fsadm
24
KB
-rwxr-xr-x
fsck
42.42
KB
-rwxr-xr-x
fsck.btrfs
1.16
KB
-rwxr-xr-x
fsck.cramfs
30.44
KB
-rwxr-xr-x
fsck.ext2
364.34
KB
-rwxr-xr-x
fsck.ext3
364.34
KB
-rwxr-xr-x
fsck.ext4
364.34
KB
-rwxr-xr-x
fsck.fat
78.38
KB
-rwxr-xr-x
fsck.minix
54.41
KB
-rwxr-xr-x
fsck.msdos
78.38
KB
-rwxr-xr-x
fsck.vfat
78.38
KB
-rwxr-xr-x
fsck.xfs
2.51
KB
-rwxr-xr-x
fsfreeze
14.38
KB
-rwxr-xr-x
fstab-decode
14.3
KB
-rwxr-xr-x
fstrim
42.38
KB
-rwxr-xr-x
funccount-bpfcc
12.68
KB
-rwxr-xr-x
funcinterval-bpfcc
5.46
KB
-rwxr-xr-x
funclatency-bpfcc
11.28
KB
-rwxr-xr-x
funcslower-bpfcc
10.38
KB
-rwxr-xr-x
gdisk
198.48
KB
-rwxr-xr-x
genl
120.58
KB
-rwxr-xr-x
getcap
14.3
KB
-rwxr-xr-x
gethostlatency-bpfcc
3.82
KB
-rwxr-xr-x
gethostlatency.bt
1.19
KB
-rwxr-xr-x
getpcaps
14.3
KB
-rwxr-xr-x
getty
59.56
KB
-rwxr-xr-x
groupadd
71.13
KB
-rwxr-xr-x
groupdel
62.91
KB
-rwxr-xr-x
groupmems
58.34
KB
-rwxr-xr-x
groupmod
71.04
KB
-rwxr-xr-x
grpck
58.32
KB
-rwxr-xr-x
grpconv
50.16
KB
-rwxr-xr-x
grpunconv
50.16
KB
-rwxr-xr-x
grub-bios-setup
958.55
KB
-rwxr-xr-x
grub-install
1.17
MB
-rwxr-xr-x
grub-macbless
946.41
KB
-rwxr-xr-x
grub-mkconfig
8.63
KB
-rwxr-xr-x
grub-mkdevicemap
70.69
KB
-rwxr-xr-x
grub-probe
954.66
KB
-rwxr-xr-x
grub-reboot
4.73
KB
-rwxr-xr-x
grub-set-default
3.47
KB
-rwxr-xr-x
halt
1.43
MB
-rwxr-xr-x
hardirqs-bpfcc
6.85
KB
-rwxr-xr-x
hdparm
139.43
KB
-rwxr-xr-x
httxt2dbm
14.3
KB
-rwxr-xr-x
iconvconfig
34.47
KB
-rwxr-xr-x
ifconfig
77.17
KB
-rwxr-xr-x
iftop
62.62
KB
-rwxr-xr-x
init
98.45
KB
-rwxr-xr-x
inject-bpfcc
16.06
KB
-rwxr-xr-x
insmod
170.24
KB
-rwxr-xr-x
install-sgmlcatalog
4.44
KB
-rwxr-xr-x
installkernel
2.6
KB
-rwxr-xr-x
integritysetup
67.06
KB
-rwxr-xr-x
invoke-rc.d
16.13
KB
-rwxr-xr-x
iotop
113.64
KB
-rwxr-xr-x
iotop-c
113.64
KB
-rwxr-xr-x
ip
754.8
KB
-rwxr-xr-x
ip6tables
219.16
KB
-rwxr-xr-x
ip6tables-apply
6.89
KB
-rwxr-xr-x
ip6tables-legacy
92.95
KB
-rwxr-xr-x
ip6tables-legacy-restore
92.95
KB
-rwxr-xr-x
ip6tables-legacy-save
92.95
KB
-rwxr-xr-x
ip6tables-nft
219.16
KB
-rwxr-xr-x
ip6tables-nft-restore
219.16
KB
-rwxr-xr-x
ip6tables-nft-save
219.16
KB
-rwxr-xr-x
ip6tables-restore
219.16
KB
-rwxr-xr-x
ip6tables-restore-translate
219.16
KB
-rwxr-xr-x
ip6tables-save
219.16
KB
-rwxr-xr-x
ip6tables-translate
219.16
KB
-rwxr-xr-x
ipmaddr
18.3
KB
-rwxr-xr-x
iptables
219.16
KB
-rwxr-xr-x
iptables-apply
6.89
KB
-rwxr-xr-x
iptables-legacy
92.95
KB
-rwxr-xr-x
iptables-legacy-restore
92.95
KB
-rwxr-xr-x
iptables-legacy-save
92.95
KB
-rwxr-xr-x
iptables-nft
219.16
KB
-rwxr-xr-x
iptables-nft-restore
219.16
KB
-rwxr-xr-x
iptables-nft-save
219.16
KB
-rwxr-xr-x
iptables-restore
219.16
KB
-rwxr-xr-x
iptables-restore-translate
219.16
KB
-rwxr-xr-x
iptables-save
219.16
KB
-rwxr-xr-x
iptables-translate
219.16
KB
-rwxr-xr-x
iptunnel
18.3
KB
-rwxr-xr-x
iscsi-iname
18.3
KB
-rwxr-xr-x
iscsi_discovery
5.17
KB
-rwxr-xr-x
iscsiadm
370.43
KB
-rwxr-xr-x
iscsid
286.55
KB
-rwxr-xr-x
iscsistart
274.49
KB
-rwxr-xr-x
isosize
14.38
KB
-rwxr-xr-x
javacalls-bpfcc
55
B
-rwxr-xr-x
javaflow-bpfcc
54
B
-rwxr-xr-x
javagc-bpfcc
52
B
-rwxr-xr-x
javaobjnew-bpfcc
56
B
-rwxr-xr-x
javastat-bpfcc
54
B
-rwxr-xr-x
javathreads-bpfcc
57
B
-rwxr-xr-x
kbdrate
18.31
KB
-rwxr-xr-x
killall5
26.23
KB
-rwxr-xr-x
killsnoop-bpfcc
4.45
KB
-rwxr-xr-x
killsnoop.bt
873
B
-rwxr-xr-x
klockstat-bpfcc
13.04
KB
-rwxr-xr-x
kpartx
42.16
KB
-rwxr-xr-x
kvmexit-bpfcc
11.19
KB
-rwxr-xr-x
ldattach
26.38
KB
-rwxr-xr-x
ldconfig
387
B
-rwxr-xr-x
ldconfig.real
1
MB
-rwxr-xr-x
llcstat-bpfcc
4.48
KB
-rwxr-xr-x
loads.bt
1.1
KB
-rwxr-xr-x
locale-gen
4.21
KB
-rwxr-xr-x
logrotate
94.24
KB
-rwxr-xr-x
logsave
14.16
KB
-rwxr-xr-x
losetup
74.52
KB
-rwxr-xr-x
lsmod
170.24
KB
-rwxr-xr-x
luksformat
3.32
KB
-rwxr-xr-x
lvchange
3.01
MB
-rwxr-xr-x
lvconvert
3.01
MB
-rwxr-xr-x
lvcreate
3.01
MB
-rwxr-xr-x
lvdisplay
3.01
MB
-rwxr-xr-x
lvextend
3.01
MB
-rwxr-xr-x
lvm
3.01
MB
-rwxr-xr-x
lvmconfig
3.01
MB
-rwxr-xr-x
lvmdiskscan
3.01
MB
-rwxr-xr-x
lvmdump
10.12
KB
-rwxr-xr-x
lvmpolld
235.97
KB
-rwxr-xr-x
lvmsadc
3.01
MB
-rwxr-xr-x
lvmsar
3.01
MB
-rwxr-xr-x
lvreduce
3.01
MB
-rwxr-xr-x
lvremove
3.01
MB
-rwxr-xr-x
lvrename
3.01
MB
-rwxr-xr-x
lvresize
3.01
MB
-rwxr-xr-x
lvs
3.01
MB
-rwxr-xr-x
lvscan
3.01
MB
-rwxr-xr-x
lxc
589
B
-rwxr-xr-x
lxd
589
B
-rwxr-xr-x
make-bcache
22.38
KB
-rwxr-xr-x
make-ssl-cert
6.65
KB
-rwxr-xr-x
mariadbd
26.09
MB
-rwxr-xr-x
mdadm
622.21
KB
-rwxr-xr-x
mdflush-bpfcc
2.24
KB
-rwxr-xr-x
mdflush.bt
775
B
-rwxr-xr-x
mdmon
258.8
KB
-rwxr-xr-x
memleak-bpfcc
20.8
KB
-rwxr-xr-x
mii-tool
26.73
KB
-rwxr-xr-x
mkdosfs
50.83
KB
-rwxr-xr-x
mke2fs
130.62
KB
-rwxr-xr-x
mkfs
14.38
KB
-rwxr-xr-x
mkfs.bfs
22.38
KB
-rwxr-xr-x
mkfs.btrfs
560.3
KB
-rwxr-xr-x
mkfs.cramfs
34.32
KB
-rwxr-xr-x
mkfs.ext2
130.62
KB
-rwxr-xr-x
mkfs.ext3
130.62
KB
-rwxr-xr-x
mkfs.ext4
130.62
KB
-rwxr-xr-x
mkfs.fat
50.83
KB
-rwxr-xr-x
mkfs.minix
42.39
KB
-rwxr-xr-x
mkfs.msdos
50.83
KB
-rwxr-xr-x
mkfs.ntfs
66.38
KB
-rwxr-xr-x
mkfs.vfat
50.83
KB
-rwxr-xr-x
mkfs.xfs
438.99
KB
-rwxr-xr-x
mkhomedir_helper
22.34
KB
-rwxr-xr-x
mkinitramfs
15.39
KB
-rwxr-xr-x
mklost+found
14.3
KB
-rwxr-xr-x
mkntfs
66.38
KB
-rwxr-xr-x
mkswap
50.38
KB
-rwxr-xr-x
modinfo
170.24
KB
-rwxr-xr-x
modprobe
170.24
KB
-rwxr-xr-x
mount.fuse
18.3
KB
-rwxr-xr-x
mount.fuse3
18.3
KB
-rwxr-xr-x
mount.lowntfs-3g
118.98
KB
-rwxr-xr-x
mount.ntfs
159.01
KB
-rwxr-xr-x
mount.ntfs-3g
159.01
KB
-rwxr-xr-x
mountsnoop-bpfcc
14.62
KB
-rwxr-xr-x
mpathpersist
31.21
KB
-rwxr-xr-x
multipath
34.3
KB
-rwxr-xr-x
multipathc
18.3
KB
-rwxr-xr-x
multipathd
142.46
KB
-rwxr-xr-x
mysqld
26.09
MB
-rwxr-xr-x
mysqld_qslower-bpfcc
3.05
KB
-rwxr-xr-x
nameif
14.39
KB
-rwxr-xr-x
naptime.bt
1.01
KB
-rwxr-xr-x
needrestart
40.13
KB
-rwxr-xr-x
netplan
802
B
-rwxr-xr-x
netqtop-bpfcc
5.59
KB
-rwxr-xr-x
newusers
86.96
KB
-rwxr-xr-x
nfnl_osf
18.3
KB
-rwxr-xr-x
nfsdist-bpfcc
4.95
KB
-rwxr-xr-x
nfsslower-bpfcc
13.61
KB
-rwxr-xr-x
nft
26.23
KB
-rwxr-xr-x
nginx
1.25
MB
-rwxr-xr-x
nodegc-bpfcc
52
B
-rwxr-xr-x
nodestat-bpfcc
54
B
-rwxr-xr-x
nologin
14.3
KB
-rwxr-xr-x
ntfsclone
50.38
KB
-rwxr-xr-x
ntfscp
30.38
KB
-rwxr-xr-x
ntfslabel
22.38
KB
-rwxr-xr-x
ntfsresize
62.39
KB
-rwxr-xr-x
ntfsundelete
50.38
KB
-rwxr-xr-x
offcputime-bpfcc
13.46
KB
-rwxr-xr-x
offwaketime-bpfcc
15.31
KB
-rwxr-xr-x
on_ac_power
3.7
KB
-rwxr-xr-x
oomkill-bpfcc
2.04
KB
-rwxr-xr-x
oomkill.bt
1.17
KB
-rwxr-xr-x
opensnoop-bpfcc
14.24
KB
-rwxr-xr-x
opensnoop.bt
953
B
-rwxr-xr-x
overlayroot-chroot
2.45
KB
-rwxr-xr-x
ownership
14.45
KB
-rwxr-xr-x
pam-auth-update
20.96
KB
-rwxr-xr-x
pam_extrausers_chkpwd
26.31
KB
-rwxr-sr-x
pam_extrausers_update
34.31
KB
-rwxr-xr-x
pam_getenv
2.82
KB
-rwxr-xr-x
pam_namespace_helper
467
B
-rwxr-xr-x
pam_timestamp_check
14.31
KB
-rwxr-xr-x
parted
94.4
KB
-rwxr-xr-x
partprobe
14.38
KB
-rwxr-xr-x
pdata_tools
1.36
MB
-rwxr-xr-x
perlcalls-bpfcc
55
B
-rwxr-xr-x
perlflow-bpfcc
54
B
-rwxr-xr-x
perlstat-bpfcc
54
B
-rwxr-xr-x
php-fpm8.3
5.49
MB
-rwxr-xr-x
phpcalls-bpfcc
54
B
-rwxr-xr-x
phpdismod
7.11
KB
-rwxr-xr-x
phpenmod
7.11
KB
-rwxr-xr-x
phpflow-bpfcc
53
B
-rwxr-xr-x
phpquery
6.24
KB
-rwxr-xr-x
phpstat-bpfcc
53
B
-rwxr-xr-x
pidpersec-bpfcc
1.08
KB
-rwxr-xr-x
pidpersec.bt
628
B
-rwxr-xr-x
pivot_root
14.38
KB
-rwxr-xr-x
plipconfig
14.3
KB
-rwxr-xr-x
plymouthd
146.57
KB
-rwxr-xr-x
poweroff
1.43
MB
-rwxr-xr-x
ppchcalls-bpfcc
13.89
KB
-rwxr-xr-x
profile-bpfcc
14.41
KB
-rwxr-xr-x
pvchange
3.01
MB
-rwxr-xr-x
pvck
3.01
MB
-rwxr-xr-x
pvcreate
3.01
MB
-rwxr-xr-x
pvdisplay
3.01
MB
-rwxr-xr-x
pvmove
3.01
MB
-rwxr-xr-x
pvremove
3.01
MB
-rwxr-xr-x
pvresize
3.01
MB
-rwxr-xr-x
pvs
3.01
MB
-rwxr-xr-x
pvscan
3.01
MB
-rwxr-xr-x
pwck
54.29
KB
-rwxr-xr-x
pwconv
46.16
KB
-rwxr-xr-x
pwhistory_helper
22.31
KB
-rwxr-xr-x
pwunconv
46.16
KB
-rwxr-xr-x
pythoncalls-bpfcc
57
B
-rwxr-xr-x
pythonflow-bpfcc
56
B
-rwxr-xr-x
pythongc-bpfcc
54
B
-rwxr-xr-x
pythonstat-bpfcc
56
B
-rwxr-xr-x
rarp
32.33
KB
-rwxr-xr-x
rdmaucma-bpfcc
4.95
KB
-rwxr-xr-x
readahead-bpfcc
6.54
KB
-rwxr-xr-x
readprofile
22.41
KB
-rwxr-xr-x
reboot
1.43
MB
-rwxr-xr-x
remove-shell
1.08
KB
-rwxr-xr-x
reset-trace-bpfcc
3.42
KB
-rwxr-xr-x
resize2fs
70.3
KB
-rwxr-xr-x
resolvconf
158.67
KB
-rwxr-xr-x
rmmod
170.24
KB
-rwxr-xr-x
rmt
54.71
KB
-rwxr-xr-x
rmt-tar
54.71
KB
-rwxr-xr-x
route
68.27
KB
-rwxr-xr-x
rsyslogd
771.67
KB
-rwxr-xr-x
rtacct
28.31
KB
-rwxr-xr-x
rtcwake
34.38
KB
-rwxr-xr-x
rtmon
116.52
KB
-rwxr-xr-x
rubycalls-bpfcc
55
B
-rwxr-xr-x
rubyflow-bpfcc
54
B
-rwxr-xr-x
rubygc-bpfcc
52
B
-rwxr-xr-x
rubyobjnew-bpfcc
56
B
-rwxr-xr-x
rubystat-bpfcc
54
B
-rwxr-xr-x
runlevel
1.43
MB
-rwxr-xr-x
runqlat-bpfcc
9.3
KB
-rwxr-xr-x
runqlat.bt
788
B
-rwxr-xr-x
runqlen-bpfcc
8.05
KB
-rwxr-xr-x
runqlen.bt
1.01
KB
-rwxr-xr-x
runqslower-bpfcc
9.01
KB
-rwxr-xr-x
runuser
54.38
KB
-rwxr-xr-x
service
8.89
KB
-rwxr-xr-x
setcap
14.3
KB
-rwxr-xr-x
setuids.bt
1.76
KB
-rwxr-xr-x
setvesablank
14.37
KB
-rwxr-xr-x
setvtrgb
14.43
KB
-rwxr-xr-x
sfdisk
106.38
KB
-rwxr-xr-x
sgdisk
178.48
KB
-rwxr-xr-x
shadowconfig
2.22
KB
-rwxr-xr-x
shmsnoop-bpfcc
7.8
KB
-rwxr-xr-x
shutdown
1.43
MB
-rwxr-xr-x
slabratetop-bpfcc
6.38
KB
-rwxr-xr-x
slattach
36.08
KB
-rwxr-xr-x
sofdsnoop-bpfcc
8.06
KB
-rwxr-xr-x
softirqs-bpfcc
5.59
KB
-rwxr-xr-x
solisten-bpfcc
5.96
KB
-rwxr-xr-x
split-logfile
2.36
KB
-rwxr-xr-x
sshd
899.82
KB
-rwxr-xr-x
ssllatency.bt
2.08
KB
-rwxr-xr-x
sslsniff-bpfcc
13.68
KB
-rwxr-xr-x
sslsnoop.bt
1.99
KB
-rwxr-xr-x
stackcount-bpfcc
16.26
KB
-rwxr-xr-x
start-stop-daemon
47.49
KB
-rwxr-xr-x
statsnoop-bpfcc
4.92
KB
-rwxr-xr-x
statsnoop.bt
1.26
KB
-rwxr-xr-x
sudo_logsrvd
248.5
KB
-rwxr-xr-x
sudo_sendlog
131.67
KB
-rwxr-xr-x
sulogin
42.38
KB
-rwxr-xr-x
swapin.bt
600
B
-rwxr-xr-x
swaplabel
18.38
KB
-rwxr-xr-x
swapoff
22.38
KB
-rwxr-xr-x
swapon
42.38
KB
-rwxr-xr-x
switch_root
22.38
KB
-rwxr-xr-x
syncsnoop-bpfcc
1.27
KB
-rwxr-xr-x
syncsnoop.bt
839
B
-rwxr-xr-x
syscount-bpfcc
8.57
KB
-rwxr-xr-x
syscount.bt
872
B
-rwxr-xr-x
sysctl
30.38
KB
-rwxr-xr-x
tarcat
936
B
-rwxr-xr-x
tc
630.08
KB
-rwxr-xr-x
tclcalls-bpfcc
54
B
-rwxr-xr-x
tclflow-bpfcc
53
B
-rwxr-xr-x
tclobjnew-bpfcc
55
B
-rwxr-xr-x
tclstat-bpfcc
53
B
-rwxr-xr-x
tcpaccept-bpfcc
9
KB
-rwxr-xr-x
tcpaccept.bt
1.71
KB
-rwxr-xr-x
tcpcong-bpfcc
20.11
KB
-rwxr-xr-x
tcpconnect-bpfcc
18.46
KB
-rwxr-xr-x
tcpconnect.bt
1.58
KB
-rwxr-xr-x
tcpconnlat-bpfcc
9.07
KB
-rwxr-xr-x
tcpdrop-bpfcc
7.44
KB
-rwxr-xr-x
tcpdrop.bt
2.41
KB
-rwxr-xr-x
tcplife-bpfcc
16.55
KB
-rwxr-xr-x
tcplife.bt
2.72
KB
-rwxr-xr-x
tcpretrans-bpfcc
13.77
KB
-rwxr-xr-x
tcpretrans.bt
2.07
KB
-rwxr-xr-x
tcprtt-bpfcc
8.7
KB
-rwxr-xr-x
tcpstates-bpfcc
13.73
KB
-rwxr-xr-x
tcpsubnet-bpfcc
7.63
KB
-rwxr-xr-x
tcpsynbl-bpfcc
2.12
KB
-rwxr-xr-x
tcpsynbl.bt
962
B
-rwxr-xr-x
tcptop-bpfcc
12.64
KB
-rwxr-xr-x
tcptracer-bpfcc
17.71
KB
-rwxr-xr-x
telinit
1.43
MB
-rwxr-xr-x
thin_check
1.36
MB
-rwxr-xr-x
thin_delta
1.36
MB
-rwxr-xr-x
thin_dump
1.36
MB
-rwxr-xr-x
thin_ls
1.36
MB
-rwxr-xr-x
thin_metadata_size
1.36
MB
-rwxr-xr-x
thin_repair
1.36
MB
-rwxr-xr-x
thin_restore
1.36
MB
-rwxr-xr-x
thin_rmap
1.36
MB
-rwxr-xr-x
thin_trim
1.36
MB
-rwxr-xr-x
threadsnoop-bpfcc
1.81
KB
-rwxr-xr-x
threadsnoop.bt
712
B
-rwxr-xr-x
tipc
90.52
KB
-rwxr-xr-x
tplist-bpfcc
4.06
KB
-rwxr-xr-x
trace-bpfcc
42.86
KB
-rwxr-xr-x
ttysnoop-bpfcc
7.51
KB
-rwxr-xr-x
tune2fs
110.56
KB
-rwxr-xr-x
ucalls
11.69
KB
-rwxr-xr-x
uflow
7.92
KB
-rwxr-xr-x
ufw
4.84
KB
-rwxr-xr-x
ugc
7.64
KB
-rwxr-xr-x
umount.udisks2
14.3
KB
-rwxr-xr-x
undump.bt
789
B
-rwxr-xr-x
unix_chkpwd
30.31
KB
-rwxr-sr-x
unix_update
34.31
KB
-rwxr-xr-x
uobjnew
6.04
KB
-rwxr-xr-x
update-ca-certificates
5.32
KB
-rwxr-xr-x
update-catalog
9.17
KB
-rwxr-xr-x
update-grub
64
B
-rwxr-xr-x
update-grub-gfxpayload
301
B
-rwxr-xr-x
update-grub2
64
B
-rwxr-xr-x
update-ieee-data
3.41
KB
-rwxr-xr-x
update-info-dir
1.66
KB
-rwxr-xr-x
update-initramfs
6.75
KB
-rwxr-xr-x
update-locale
2.99
KB
-rwxr-xr-x
update-passwd
34.56
KB
-rwxr-xr-x
update-pciids
1.74
KB
-rwxr-xr-x
update-rc.d
17.72
KB
-rwxr-xr-x
update-secureboot-policy
7.43
KB
-rwxr-xr-x
update-shells
3.89
KB
-rwxr-xr-x
update-xmlcatalog
16.88
KB
-rwxr-xr-x
upgrade-from-grub-legacy
1.56
KB
-rwxr-xr-x
usb_modeswitch
59.66
KB
-rwxr-xr-x
usb_modeswitch_dispatcher
26.78
KB
-rwxr-xr-x
useradd
139.88
KB
-rwxr-xr-x
userdel
91.01
KB
-rwxr-xr-x
usermod
127.65
KB
-rwxr-xr-x
ustat
12.12
KB
-rwxr-xr-x
uthreads
4
KB
-rwxr-xr-x
uuidd
30.88
KB
-rwxr-xr-x
validlocale
1.73
KB
-rwxr-xr-x
vcstime
14.3
KB
-rwxr-xr-x
vdpa
34.56
KB
-rwxr-xr-x
veritysetup
43.94
KB
-rwxr-xr-x
vfscount-bpfcc
1.36
KB
-rwxr-xr-x
vfscount.bt
515
B
-rwxr-xr-x
vfsstat-bpfcc
4.06
KB
-rwxr-xr-x
vfsstat.bt
721
B
-rwxr-xr-x
vgcfgbackup
3.01
MB
-rwxr-xr-x
vgcfgrestore
3.01
MB
-rwxr-xr-x
vgchange
3.01
MB
-rwxr-xr-x
vgck
3.01
MB
-rwxr-xr-x
vgconvert
3.01
MB
-rwxr-xr-x
vgcreate
3.01
MB
-rwxr-xr-x
vgdisplay
3.01
MB
-rwxr-xr-x
vgexport
3.01
MB
-rwxr-xr-x
vgextend
3.01
MB
-rwxr-xr-x
vgimport
3.01
MB
-rwxr-xr-x
vgimportclone
3.01
MB
-rwxr-xr-x
vgmerge
3.01
MB
-rwxr-xr-x
vgmknodes
3.01
MB
-rwxr-xr-x
vgreduce
3.01
MB
-rwxr-xr-x
vgremove
3.01
MB
-rwxr-xr-x
vgrename
3.01
MB
-rwxr-xr-x
vgs
3.01
MB
-rwxr-xr-x
vgscan
3.01
MB
-rwxr-xr-x
vgsplit
3.01
MB
-rwxr-xr-x
vigr
60.69
KB
-rwxr-xr-x
vipw
60.69
KB
-rwxr-xr-x
virtiostat-bpfcc
8.69
KB
-rwxr-xr-x
visudo
252.71
KB
-rwxr-xr-x
vnstatd
93.28
KB
-rwxr-xr-x
vpddecode
14.58
KB
-rwxr-xr-x
vsftpd
156.48
KB
-rwxr-xr-x
wakeuptime-bpfcc
8.1
KB
-rwxr-xr-x
wipefs
38.38
KB
-rwxr-xr-x
writeback.bt
1.66
KB
-rwxr-xr-x
xfs_admin
2.12
KB
-rwxr-xr-x
xfs_bmap
695
B
-rwxr-xr-x
xfs_copy
90.44
KB
-rwxr-xr-x
xfs_db
688.56
KB
-rwxr-xr-x
xfs_estimate
14.16
KB
-rwxr-xr-x
xfs_freeze
800
B
-rwxr-xr-x
xfs_fsr
42.18
KB
-rwxr-xr-x
xfs_growfs
38.23
KB
-rwxr-xr-x
xfs_info
1.26
KB
-rwxr-xr-x
xfs_io
203.65
KB
-rwxr-xr-x
xfs_logprint
78.27
KB
-rwxr-xr-x
xfs_mdrestore
34.23
KB
-rwxr-xr-x
xfs_metadump
816
B
-rwxr-xr-x
xfs_mkfile
1.02
KB
-rwxr-xr-x
xfs_ncheck
685
B
-rwxr-xr-x
xfs_quota
90.16
KB
-rwxr-xr-x
xfs_repair
643.32
KB
-rwxr-xr-x
xfs_rtcp
18.15
KB
-rwxr-xr-x
xfs_scrub
106.27
KB
-rwxr-xr-x
xfs_scrub_all
7.66
KB
-rwxr-xr-x
xfs_spaceman
42.3
KB
-rwxr-xr-x
xfsdist-bpfcc
4.61
KB
-rwxr-xr-x
xfsdist.bt
972
B
-rwxr-xr-x
xfsslower-bpfcc
7.78
KB
-rwxr-xr-x
xtables-legacy-multi
92.95
KB
-rwxr-xr-x
xtables-monitor
219.16
KB
-rwxr-xr-x
xtables-nft-multi
219.16
KB
-rwxr-xr-x
zerofree
14.15
KB
-rwxr-xr-x
zfsdist-bpfcc
5.3
KB
-rwxr-xr-x
zfsslower-bpfcc
8.45
KB
-rwxr-xr-x
zic
66.39
KB
-rwxr-xr-x
zramctl
54.52
KB
-rwxr-xr-x
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Code Editor : tcpconnect-bpfcc
#! /usr/bin/python3 # @lint-avoid-python-3-compatibility-imports # # tcpconnect Trace TCP connect()s. # For Linux, uses BCC, eBPF. Embedded C. # # USAGE: tcpconnect [-h] [-c] [-t] [-p PID] [-P PORT [PORT ...]] [-4 | -6] # # All connection attempts are traced, even if they ultimately fail. # # This uses dynamic tracing of kernel functions, and will need to be updated # to match kernel changes. # # Copyright (c) 2015 Brendan Gregg. # Licensed under the Apache License, Version 2.0 (the "License") # # 25-Sep-2015 Brendan Gregg Created this. # 14-Feb-2016 " " Switch to bpf_perf_output. # 09-Jan-2019 Takuma Kume Support filtering by UID # 30-Jul-2019 Xiaozhou Liu Count connects. # 07-Oct-2020 Nabil Schear Correlate connects with DNS responses # 08-Mar-2021 Suresh Kumar Added LPORT option from __future__ import print_function from bcc import BPF from bcc.containers import filter_by_containers from bcc.utils import printb import argparse from socket import inet_ntop, ntohs, AF_INET, AF_INET6 from struct import pack from time import sleep from datetime import datetime # arguments examples = """examples: ./tcpconnect # trace all TCP connect()s ./tcpconnect -t # include timestamps ./tcpconnect -d # include DNS queries associated with connects ./tcpconnect -p 181 # only trace PID 181 ./tcpconnect -P 80 # only trace port 80 ./tcpconnect -P 80,81 # only trace port 80 and 81 ./tcpconnect -4 # only trace IPv4 family ./tcpconnect -6 # only trace IPv6 family ./tcpconnect -U # include UID ./tcpconnect -u 1000 # only trace UID 1000 ./tcpconnect -c # count connects per src ip and dest ip/port ./tcpconnect -L # include LPORT while printing outputs ./tcpconnect --cgroupmap mappath # only trace cgroups in this BPF map ./tcpconnect --mntnsmap mappath # only trace mount namespaces in the map """ parser = argparse.ArgumentParser( description="Trace TCP connects", formatter_class=argparse.RawDescriptionHelpFormatter, epilog=examples) parser.add_argument("-t", "--timestamp", action="store_true", help="include timestamp on output") parser.add_argument("-p", "--pid", help="trace this PID only") parser.add_argument("-P", "--port", help="comma-separated list of destination ports to trace.") group = parser.add_mutually_exclusive_group() group.add_argument("-4", "--ipv4", action="store_true", help="trace IPv4 family only") group.add_argument("-6", "--ipv6", action="store_true", help="trace IPv6 family only") parser.add_argument("-L", "--lport", action="store_true", help="include LPORT on output") parser.add_argument("-U", "--print-uid", action="store_true", help="include UID on output") parser.add_argument("-u", "--uid", help="trace this UID only") parser.add_argument("-c", "--count", action="store_true", help="count connects per src ip and dest ip/port") parser.add_argument("--cgroupmap", help="trace cgroups in this BPF map only") parser.add_argument("--mntnsmap", help="trace mount namespaces in this BPF map only") parser.add_argument("-d", "--dns", action="store_true", help="include likely DNS query associated with each connect") parser.add_argument("--ebpf", action="store_true", help=argparse.SUPPRESS) args = parser.parse_args() debug = 0 # define BPF program bpf_text = """ #include <uapi/linux/ptrace.h> #include <net/sock.h> #include <bcc/proto.h> BPF_HASH(currsock, u32, struct sock *); // separate data structs for ipv4 and ipv6 struct ipv4_data_t { u64 ts_us; u32 pid; u32 uid; u32 saddr; u32 daddr; u64 ip; u16 lport; u16 dport; char task[TASK_COMM_LEN]; }; BPF_PERF_OUTPUT(ipv4_events); struct ipv6_data_t { u64 ts_us; u32 pid; u32 uid; unsigned __int128 saddr; unsigned __int128 daddr; u64 ip; u16 lport; u16 dport; char task[TASK_COMM_LEN]; }; BPF_PERF_OUTPUT(ipv6_events); // separate flow keys per address family struct ipv4_flow_key_t { u32 saddr; u32 daddr; u16 dport; }; BPF_HASH(ipv4_count, struct ipv4_flow_key_t); struct ipv6_flow_key_t { unsigned __int128 saddr; unsigned __int128 daddr; u16 dport; }; BPF_HASH(ipv6_count, struct ipv6_flow_key_t); int trace_connect_entry(struct pt_regs *ctx, struct sock *sk) { if (container_should_be_filtered()) { return 0; } u64 pid_tgid = bpf_get_current_pid_tgid(); u32 pid = pid_tgid >> 32; u32 tid = pid_tgid; FILTER_PID u32 uid = bpf_get_current_uid_gid(); FILTER_UID // stash the sock ptr for lookup on return currsock.update(&tid, &sk); return 0; }; static int trace_connect_return(struct pt_regs *ctx, short ipver) { int ret = PT_REGS_RC(ctx); u64 pid_tgid = bpf_get_current_pid_tgid(); u32 pid = pid_tgid >> 32; u32 tid = pid_tgid; struct sock **skpp; skpp = currsock.lookup(&tid); if (skpp == 0) { return 0; // missed entry } if (ret != 0) { // failed to send SYNC packet, may not have populated // socket __sk_common.{skc_rcv_saddr, ...} currsock.delete(&tid); return 0; } // pull in details struct sock *skp = *skpp; u16 lport = skp->__sk_common.skc_num; u16 dport = skp->__sk_common.skc_dport; FILTER_PORT FILTER_FAMILY if (ipver == 4) { IPV4_CODE } else /* 6 */ { IPV6_CODE } currsock.delete(&tid); return 0; } int trace_connect_v4_return(struct pt_regs *ctx) { return trace_connect_return(ctx, 4); } int trace_connect_v6_return(struct pt_regs *ctx) { return trace_connect_return(ctx, 6); } """ struct_init = {'ipv4': {'count': """ struct ipv4_flow_key_t flow_key = {}; flow_key.saddr = skp->__sk_common.skc_rcv_saddr; flow_key.daddr = skp->__sk_common.skc_daddr; flow_key.dport = ntohs(dport); ipv4_count.increment(flow_key);""", 'trace': """ struct ipv4_data_t data4 = {.pid = pid, .ip = ipver}; data4.uid = bpf_get_current_uid_gid(); data4.ts_us = bpf_ktime_get_ns() / 1000; data4.saddr = skp->__sk_common.skc_rcv_saddr; data4.daddr = skp->__sk_common.skc_daddr; data4.lport = lport; data4.dport = ntohs(dport); bpf_get_current_comm(&data4.task, sizeof(data4.task)); ipv4_events.perf_submit(ctx, &data4, sizeof(data4));""" }, 'ipv6': {'count': """ struct ipv6_flow_key_t flow_key = {}; bpf_probe_read_kernel(&flow_key.saddr, sizeof(flow_key.saddr), skp->__sk_common.skc_v6_rcv_saddr.in6_u.u6_addr32); bpf_probe_read_kernel(&flow_key.daddr, sizeof(flow_key.daddr), skp->__sk_common.skc_v6_daddr.in6_u.u6_addr32); flow_key.dport = ntohs(dport); ipv6_count.increment(flow_key);""", 'trace': """ struct ipv6_data_t data6 = {.pid = pid, .ip = ipver}; data6.uid = bpf_get_current_uid_gid(); data6.ts_us = bpf_ktime_get_ns() / 1000; bpf_probe_read_kernel(&data6.saddr, sizeof(data6.saddr), skp->__sk_common.skc_v6_rcv_saddr.in6_u.u6_addr32); bpf_probe_read_kernel(&data6.daddr, sizeof(data6.daddr), skp->__sk_common.skc_v6_daddr.in6_u.u6_addr32); data6.lport = lport; data6.dport = ntohs(dport); bpf_get_current_comm(&data6.task, sizeof(data6.task)); ipv6_events.perf_submit(ctx, &data6, sizeof(data6));""" } } # This defines an additional BPF program that instruments udp_recvmsg system # call to locate DNS response packets on UDP port 53. When these packets are # located, the data is copied to user-space where python will parse them with # dnslib. # # uses a percpu array of length 1 to store the dns_data_t off the stack to # allow for a maximum DNS packet length of 512 bytes. dns_bpf_text = """ #include <net/inet_sock.h> #define MAX_PKT 512 struct dns_data_t { u8 pkt[MAX_PKT]; }; BPF_PERF_OUTPUT(dns_events); // store msghdr pointer captured on syscall entry to parse on syscall return BPF_HASH(tbl_udp_msg_hdr, u64, struct msghdr *); // single element per-cpu array to hold the current event off the stack BPF_PERCPU_ARRAY(dns_data,struct dns_data_t,1); int trace_udp_recvmsg(struct pt_regs *ctx) { __u64 pid_tgid = bpf_get_current_pid_tgid(); struct sock *sk = (struct sock *)PT_REGS_PARM1(ctx); struct inet_sock *is = inet_sk(sk); // only grab port 53 packets, 13568 is ntohs(53) if (is->inet_dport == 13568) { struct msghdr *msghdr = (struct msghdr *)PT_REGS_PARM2(ctx); tbl_udp_msg_hdr.update(&pid_tgid, &msghdr); } return 0; } int trace_udp_ret_recvmsg(struct pt_regs *ctx) { __u64 pid_tgid = bpf_get_current_pid_tgid(); u32 zero = 0; struct msghdr **msgpp = tbl_udp_msg_hdr.lookup(&pid_tgid); if (msgpp == 0) return 0; struct msghdr *msghdr = (struct msghdr *)*msgpp; if (msghdr->msg_iter.TYPE_FIELD != ITER_IOVEC) goto delete_and_return; int copied = (int)PT_REGS_RC(ctx); if (copied < 0) goto delete_and_return; size_t buflen = (size_t)copied; if (buflen > msghdr->msg_iter.iov->iov_len) goto delete_and_return; if (buflen > MAX_PKT) buflen = MAX_PKT; struct dns_data_t *data = dns_data.lookup(&zero); if (!data) // this should never happen, just making the verifier happy return 0; void *iovbase = msghdr->msg_iter.iov->iov_base; bpf_probe_read(data->pkt, buflen, iovbase); dns_events.perf_submit(ctx, data, buflen); delete_and_return: tbl_udp_msg_hdr.delete(&pid_tgid); return 0; } #include <uapi/linux/udp.h> int trace_udpv6_recvmsg(struct pt_regs *ctx) { struct sk_buff *skb = (struct sk_buff *)PT_REGS_PARM2(ctx); struct udphdr *hdr = (void*)skb->head + skb->transport_header; struct dns_data_t *event; int zero = 0; void *data; /* hex(53) = 0x0035, htons(0x0035) = 0x3500 */ if (hdr->source != 0x3500) return 0; /* skip UDP header */ data = skb->data + 8; event = dns_data.lookup(&zero); if (!event) return 0; bpf_probe_read(event->pkt, sizeof(event->pkt), data); dns_events.perf_submit(ctx, event, sizeof(*event)); return 0; } """ if args.count and args.dns: print("Error: you may not specify -d/--dns with -c/--count.") exit() # code substitutions if args.count: bpf_text = bpf_text.replace("IPV4_CODE", struct_init['ipv4']['count']) bpf_text = bpf_text.replace("IPV6_CODE", struct_init['ipv6']['count']) else: bpf_text = bpf_text.replace("IPV4_CODE", struct_init['ipv4']['trace']) bpf_text = bpf_text.replace("IPV6_CODE", struct_init['ipv6']['trace']) if args.pid: bpf_text = bpf_text.replace('FILTER_PID', 'if (pid != %s) { return 0; }' % args.pid) if args.port: dports = [int(dport) for dport in args.port.split(',')] dports_if = ' && '.join(['dport != %d' % ntohs(dport) for dport in dports]) bpf_text = bpf_text.replace('FILTER_PORT', 'if (%s) { currsock.delete(&tid); return 0; }' % dports_if) if args.ipv4: bpf_text = bpf_text.replace('FILTER_FAMILY', 'if (ipver != 4) { return 0; }') elif args.ipv6: bpf_text = bpf_text.replace('FILTER_FAMILY', 'if (ipver != 6) { return 0; }') if args.uid: bpf_text = bpf_text.replace('FILTER_UID', 'if (uid != %s) { return 0; }' % args.uid) bpf_text = filter_by_containers(args) + bpf_text bpf_text = bpf_text.replace('FILTER_PID', '') bpf_text = bpf_text.replace('FILTER_PORT', '') bpf_text = bpf_text.replace('FILTER_FAMILY', '') bpf_text = bpf_text.replace('FILTER_UID', '') if args.dns: if BPF.kernel_struct_has_field(b'iov_iter', b'iter_type') == 1: dns_bpf_text = dns_bpf_text.replace('TYPE_FIELD', 'iter_type') else: dns_bpf_text = dns_bpf_text.replace('TYPE_FIELD', 'type') bpf_text += dns_bpf_text if debug or args.ebpf: print(bpf_text) if args.ebpf: exit() # process event def print_ipv4_event(cpu, data, size): event = b["ipv4_events"].event(data) global start_ts if args.timestamp: if start_ts == 0: start_ts = event.ts_us printb(b"%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), nl="") if args.print_uid: printb(b"%-6d" % event.uid, nl="") dest_ip = inet_ntop(AF_INET, pack("I", event.daddr)).encode() if args.lport: printb(b"%-7d %-12.12s %-2d %-16s %-6d %-16s %-6d %s" % (event.pid, event.task, event.ip, inet_ntop(AF_INET, pack("I", event.saddr)).encode(), event.lport, dest_ip, event.dport, print_dns(dest_ip))) else: printb(b"%-7d %-12.12s %-2d %-16s %-16s %-6d %s" % (event.pid, event.task, event.ip, inet_ntop(AF_INET, pack("I", event.saddr)).encode(), dest_ip, event.dport, print_dns(dest_ip))) def print_ipv6_event(cpu, data, size): event = b["ipv6_events"].event(data) global start_ts if args.timestamp: if start_ts == 0: start_ts = event.ts_us printb(b"%-9.3f" % ((float(event.ts_us) - start_ts) / 1000000), nl="") if args.print_uid: printb(b"%-6d" % event.uid, nl="") dest_ip = inet_ntop(AF_INET6, event.daddr).encode() if args.lport: printb(b"%-7d %-12.12s %-2d %-16s %-6d %-16s %-6d %s" % (event.pid, event.task, event.ip, inet_ntop(AF_INET6, event.saddr).encode(), event.lport, dest_ip, event.dport, print_dns(dest_ip))) else: printb(b"%-7d %-12.12s %-2d %-16s %-16s %-6d %s" % (event.pid, event.task, event.ip, inet_ntop(AF_INET6, event.saddr).encode(), dest_ip, event.dport, print_dns(dest_ip))) def depict_cnt(counts_tab, l3prot='ipv4'): for k, v in sorted(counts_tab.items(), key=lambda counts: counts[1].value, reverse=True): depict_key = "" if l3prot == 'ipv4': depict_key = "%-25s %-25s %-20s" % \ ((inet_ntop(AF_INET, pack('I', k.saddr))), inet_ntop(AF_INET, pack('I', k.daddr)), k.dport) else: depict_key = "%-25s %-25s %-20s" % \ ((inet_ntop(AF_INET6, k.saddr)), inet_ntop(AF_INET6, k.daddr), k.dport) print("%s %-10d" % (depict_key, v.value)) def print_dns(dest_ip): if not args.dns: return b"" dnsname, timestamp = dns_cache.get(dest_ip, (None, None)) if timestamp is not None: diff = datetime.now() - timestamp diff = float(diff.seconds) * 1000 + float(diff.microseconds) / 1000 else: diff = 0 if dnsname is None: dnsname = b"No DNS Query" if dest_ip == b"127.0.0.1" or dest_ip == b"::1": dnsname = b"localhost" retval = b"%s" % dnsname if diff > DELAY_DNS: retval += b" (%.3fms)" % diff return retval if args.dns: try: import dnslib from cachetools import TTLCache except ImportError: print("Error: The python packages dnslib and cachetools are required " "to use the -d/--dns option.") print("Install this package with:") print("\t$ pip3 install dnslib cachetools") print(" or") print("\t$ sudo apt-get install python3-dnslib python3-cachetools " "(on Ubuntu 18.04+)") exit(1) # 24 hours DEFAULT_TTL = 86400 # Cache Size in entries DNS_CACHE_SIZE = 10240 # delay in ms in which to warn users of long delay between the query # and the connect that used the IP DELAY_DNS = 100 dns_cache = TTLCache(maxsize=DNS_CACHE_SIZE, ttl=DEFAULT_TTL) # process event def save_dns(cpu, data, size): event = b["dns_events"].event(data) payload = event.pkt[:size] # pass the payload to dnslib for parsing dnspkt = dnslib.DNSRecord.parse(payload) # lets only look at responses if dnspkt.header.qr != 1: return # must be some questions in there if dnspkt.header.q != 1: return # make sure there are answers if dnspkt.header.a == 0 and dnspkt.header.aa == 0: return # lop off the trailing . question = ("%s" % dnspkt.q.qname)[:-1].encode('utf-8') for answer in dnspkt.rr: # skip all but A and AAAA records if answer.rtype == 1 or answer.rtype == 28: dns_cache[str(answer.rdata).encode('utf-8')] = (question, datetime.now()) # initialize BPF b = BPF(text=bpf_text) b.attach_kprobe(event="tcp_v4_connect", fn_name="trace_connect_entry") b.attach_kprobe(event="tcp_v6_connect", fn_name="trace_connect_entry") b.attach_kretprobe(event="tcp_v4_connect", fn_name="trace_connect_v4_return") b.attach_kretprobe(event="tcp_v6_connect", fn_name="trace_connect_v6_return") if args.dns: b.attach_kprobe(event="udp_recvmsg", fn_name="trace_udp_recvmsg") b.attach_kretprobe(event="udp_recvmsg", fn_name="trace_udp_ret_recvmsg") b.attach_kprobe(event="udpv6_queue_rcv_one_skb", fn_name="trace_udpv6_recvmsg") print("Tracing connect ... Hit Ctrl-C to end") if args.count: try: while True: sleep(99999999) except KeyboardInterrupt: pass # header print("\n%-25s %-25s %-20s %-10s" % ( "LADDR", "RADDR", "RPORT", "CONNECTS")) depict_cnt(b["ipv4_count"]) depict_cnt(b["ipv6_count"], l3prot='ipv6') # read events else: # header if args.timestamp: print("%-9s" % ("TIME(s)"), end="") if args.print_uid: print("%-6s" % ("UID"), end="") if args.lport: print("%-7s %-12s %-2s %-16s %-6s %-16s %-6s" % ("PID", "COMM", "IP", "SADDR", "LPORT", "DADDR", "DPORT"), end="") else: print("%-7s %-12s %-2s %-16s %-16s %-6s" % ("PID", "COMM", "IP", "SADDR", "DADDR", "DPORT"), end="") if args.dns: print(" QUERY") else: print() start_ts = 0 # read events b["ipv4_events"].open_perf_buffer(print_ipv4_event) b["ipv6_events"].open_perf_buffer(print_ipv6_event) if args.dns: b["dns_events"].open_perf_buffer(save_dns) while True: try: b.perf_buffer_poll() except KeyboardInterrupt: exit()
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