-
-
Notifications
You must be signed in to change notification settings - Fork 3.1k
/
Copy path6_users_information.sh
232 lines (204 loc) · 12.2 KB
/
6_users_information.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
###########################################
#----------) Users Information (----------#
###########################################
#-- UI) My user
print_2title "My user"
print_info "https://book.hacktricks.xyz/linux-hardening/privilege-escalation#users"
(id || (whoami && groups)) 2>/dev/null | sed -${E} "s,$groupsB,${SED_RED},g" | sed -${E} "s,$groupsVB,${SED_RED_YELLOW},g" | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN},g" | sed "s,$USER,${SED_LIGHT_MAGENTA},g" | sed -${E} "s,$nosh_usrs,${SED_BLUE},g" | sed -${E} "s,$knw_usrs,${SED_GREEN},g" | sed "s,root,${SED_RED}," | sed -${E} "s,$knw_grps,${SED_GREEN},g" | sed -${E} "s,$idB,${SED_RED},g"
echo ""
if [ "$MACPEAS" ];then
print_2title "Current user Login and Logout hooks"
defaults read $HOME/Library/Preferences/com.apple.loginwindow.plist 2>/dev/null | grep -e "Hook"
echo ""
print_2title "All Login and Logout hooks"
defaults read /Users/*/Library/Preferences/com.apple.loginwindow.plist 2>/dev/null | grep -e "Hook"
defaults read /private/var/root/Library/Preferences/com.apple.loginwindow.plist
echo ""
print_2title "Keychains"
print_info "https://book.hacktricks.xyz/macos/macos-security-and-privilege-escalation#chainbreaker"
security list-keychains
echo ""
print_2title "SystemKey"
ls -l /var/db/SystemKey
if [ -r "/var/db/SystemKey" ]; then
echo "You can read /var/db/SystemKey" | sed -${E} "s,.*,${SED_RED_YELLOW},";
hexdump -s 8 -n 24 -e '1/1 "%.2x"' /var/db/SystemKey | sed -${E} "s,.*,${SED_RED_YELLOW},";
fi
echo ""
fi
#-- UI) PGP keys?
print_2title "Do I have PGP keys?"
command -v gpg 2>/dev/null || echo_not_found "gpg"
gpg --list-keys 2>/dev/null
command -v netpgpkeys 2>/dev/null || echo_not_found "netpgpkeys"
netpgpkeys --list-keys 2>/dev/null
command -v netpgp 2>/dev/null || echo_not_found "netpgp"
echo ""
#-- UI) Clipboard and highlighted text
if [ "$(command -v xclip 2>/dev/null)" ] || [ "$(command -v xsel 2>/dev/null)" ] || [ "$(command -v pbpaste 2>/dev/null)" ] || [ "$DEBUG" ]; then
print_2title "Clipboard or highlighted text?"
if [ "$(command -v xclip 2>/dev/null)" ]; then
echo "Clipboard: "$(xclip -o -selection clipboard 2>/dev/null) | sed -${E} "s,$pwd_inside_history,${SED_RED},"
echo "Highlighted text: "$(xclip -o 2>/dev/null) | sed -${E} "s,$pwd_inside_history,${SED_RED},"
elif [ "$(command -v xsel 2>/dev/null)" ]; then
echo "Clipboard: "$(xsel -ob 2>/dev/null) | sed -${E} "s,$pwd_inside_history,${SED_RED},"
echo "Highlighted text: "$(xsel -o 2>/dev/null) | sed -${E} "s,$pwd_inside_history,${SED_RED},"
elif [ "$(command -v pbpaste 2>/dev/null)" ]; then
echo "Clipboard: "$(pbpaste) | sed -${E} "s,$pwd_inside_history,${SED_RED},"
else echo_not_found "xsel and xclip"
fi
echo ""
fi
#-- UI) Sudo -l
print_2title "Checking 'sudo -l', /etc/sudoers, and /etc/sudoers.d"
print_info "https://book.hacktricks.xyz/linux-hardening/privilege-escalation#sudo-and-suid"
(echo '' | timeout 1 sudo -S -l | sed "s,_proxy,${SED_RED},g" | sed "s,$sudoG,${SED_GREEN},g" | sed -${E} "s,$sudoVB1,${SED_RED_YELLOW}," | sed -${E} "s,$sudoVB2,${SED_RED_YELLOW}," | sed -${E} "s,$sudoB,${SED_RED},g" | sed "s,\!root,${SED_RED},") 2>/dev/null || echo_not_found "sudo"
if [ "$PASSWORD" ]; then
(echo "$PASSWORD" | timeout 1 sudo -S -l | sed "s,_proxy,${SED_RED},g" | sed "s,$sudoG,${SED_GREEN},g" | sed -${E} "s,$sudoVB1,${SED_RED_YELLOW}," | sed -${E} "s,$sudoVB2,${SED_RED_YELLOW}," | sed -${E} "s,$sudoB,${SED_RED},g") 2>/dev/null || echo_not_found "sudo"
fi
( grep -Iv "^$" cat /etc/sudoers | grep -v "#" | sed "s,_proxy,${SED_RED},g" | sed "s,$sudoG,${SED_GREEN},g" | sed -${E} "s,$sudoVB1,${SED_RED_YELLOW}," | sed -${E} "s,$sudoVB2,${SED_RED_YELLOW}," | sed -${E} "s,$sudoB,${SED_RED},g" | sed "s,pwfeedback,${SED_RED},g" ) 2>/dev/null || echo_not_found "/etc/sudoers"
if ! [ "$IAMROOT" ] && [ -w '/etc/sudoers.d/' ]; then
echo "You can create a file in /etc/sudoers.d/ and escalate privileges" | sed -${E} "s,.*,${SED_RED_YELLOW},"
fi
for filename in /etc/sudoers.d/*; do
if [ -r "$filename" ]; then
echo "Sudoers file: $filename is readable" | sed -${E} "s,.*,${SED_RED},g"
grep -Iv "^$" "$filename" | grep -v "#" | sed "s,_proxy,${SED_RED},g" | sed "s,$sudoG,${SED_GREEN},g" | sed -${E} "s,$sudoVB1,${SED_RED_YELLOW}," | sed -${E} "s,$sudoVB2,${SED_RED_YELLOW}," | sed -${E} "s,$sudoB,${SED_RED},g" | sed "s,pwfeedback,${SED_RED},g"
fi
done
echo ""
#-- UI) Sudo tokens
print_2title "Checking sudo tokens"
print_info "https://book.hacktricks.xyz/linux-hardening/privilege-escalation#reusing-sudo-tokens"
ptrace_scope="$(cat /proc/sys/kernel/yama/ptrace_scope 2>/dev/null)"
if [ "$ptrace_scope" ] && [ "$ptrace_scope" -eq 0 ]; then
echo "ptrace protection is disabled (0), so sudo tokens could be abused" | sed "s,is disabled,${SED_RED},g";
if [ "$(command -v gdb 2>/dev/null)" ]; then
echo "gdb was found in PATH" | sed -${E} "s,.*,${SED_RED},g";
fi
if [ "$CURRENT_USER_PIVOT_PID" ]; then
echo "The current user proc $CURRENT_USER_PIVOT_PID is the parent of a different user proccess" | sed -${E} "s,.*,${SED_RED},g";
fi
if [ -f "$HOME/.sudo_as_admin_successful" ]; then
echo "Current user has .sudo_as_admin_successful file, so he can execute with sudo" | sed -${E} "s,.*,${SED_RED},";
fi
if ps -eo pid,command -u "$(id -u)" | grep -v "$PPID" | grep -v " " | grep -qE '(ash|ksh|csh|dash|bash|zsh|tcsh|sh)$'; then
echo "Current user has other interactive shells running: " | sed -${E} "s,.*,${SED_RED},g";
ps -eo pid,command -u "$(id -u)" | grep -v "$PPID" | grep -v " " | grep -E '(ash|ksh|csh|dash|bash|zsh|tcsh|sh)$'
fi
else
echo "ptrace protection is enabled ($ptrace_scope)" | sed "s,is enabled,${SED_GREEN},g";
fi
echo ""
#-- UI) Doas
if [ -f "/etc/doas.conf" ] || [ "$DEBUG" ]; then
print_2title "Checking doas.conf"
doas_dir_name=$(dirname "$(command -v doas)" 2>/dev/null)
if [ "$(cat /etc/doas.conf $doas_dir_name/doas.conf $doas_dir_name/../etc/doas.conf $doas_dir_name/etc/doas.conf 2>/dev/null)" ]; then
cat /etc/doas.conf "$doas_dir_name/doas.conf" "$doas_dir_name/../etc/doas.conf" "$doas_dir_name/etc/doas.conf" 2>/dev/null | sed -${E} "s,$sh_usrs,${SED_RED}," | sed "s,root,${SED_RED}," | sed "s,nopass,${SED_RED}," | sed -${E} "s,$nosh_usrs,${SED_BLUE}," | sed "s,$USER,${SED_RED_YELLOW},"
else echo_not_found "doas.conf"
fi
echo ""
fi
#-- UI) Pkexec policy
print_2title "Checking Pkexec policy"
print_info "https://book.hacktricks.xyz/linux-hardening/privilege-escalation/interesting-groups-linux-pe#pe-method-2"
(cat /etc/polkit-1/localauthority.conf.d/* 2>/dev/null | grep -v "^#" | grep -Ev "\W+\#|^#" 2>/dev/null | sed -${E} "s,$groupsB,${SED_RED}," | sed -${E} "s,$groupsVB,${SED_RED}," | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed -${E} "s,$nosh_usrs,${SED_BLUE}," | sed "s,$USER,${SED_RED_YELLOW}," | sed -${E} "s,$Groups,${SED_RED_YELLOW},") || echo_not_found "/etc/polkit-1/localauthority.conf.d"
echo ""
#-- UI) Superusers
print_2title "Superusers"
awk -F: '($3 == "0") {print}' /etc/passwd 2>/dev/null | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed -${E} "s,$nosh_usrs,${SED_BLUE}," | sed -${E} "s,$knw_usrs,${SED_GREEN}," | sed "s,$USER,${SED_RED_YELLOW}," | sed "s,root,${SED_RED},"
echo ""
#-- UI) Users with console
print_2title "Users with console"
if [ "$MACPEAS" ]; then
dscl . list /Users | while read uname; do
ushell=$(dscl . -read "/Users/$uname" UserShell | cut -d " " -f2)
if grep -q "$ushell" /etc/shells; then #Shell user
dscl . -read "/Users/$uname" UserShell RealName RecordName Password NFSHomeDirectory 2>/dev/null | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed "s,$USER,${SED_LIGHT_MAGENTA}," | sed "s,root,${SED_RED},"
echo ""
fi
done
else
no_shells=$(grep -Ev "sh$" /etc/passwd 2>/dev/null | cut -d ':' -f 7 | sort | uniq)
unexpected_shells=""
printf "%s\n" "$no_shells" | while read f; do
if $f -c 'whoami' 2>/dev/null | grep -q "$USER"; then
unexpected_shells="$f\n$unexpected_shells"
fi
done
grep "sh$" /etc/passwd 2>/dev/null | sort | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed "s,$USER,${SED_LIGHT_MAGENTA}," | sed "s,root,${SED_RED},"
if [ "$unexpected_shells" ]; then
printf "%s" "These unexpected binaries are acting like shells:\n$unexpected_shells" | sed -${E} "s,/.*,${SED_RED},g"
echo "Unexpected users with shells:"
printf "%s\n" "$unexpected_shells" | while read f; do
if [ "$f" ]; then
grep -E "${f}$" /etc/passwd | sed -${E} "s,/.*,${SED_RED},g"
fi
done
fi
fi
echo ""
#-- UI) All users & groups
print_2title "All users & groups"
if [ "$MACPEAS" ]; then
dscl . list /Users | while read i; do id $i;done 2>/dev/null | sort | sed -${E} "s,$groupsB,${SED_RED},g" | sed -${E} "s,$groupsVB,${SED_RED},g" | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN},g" | sed "s,$USER,${SED_LIGHT_MAGENTA},g" | sed -${E} "s,$nosh_usrs,${SED_BLUE},g" | sed -${E} "s,$knw_usrs,${SED_GREEN},g" | sed "s,root,${SED_RED}," | sed -${E} "s,$knw_grps,${SED_GREEN},g"
else
cut -d":" -f1 /etc/passwd 2>/dev/null| while read i; do id $i;done 2>/dev/null | sort | sed -${E} "s,$groupsB,${SED_RED},g" | sed -${E} "s,$groupsVB,${SED_RED},g" | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN},g" | sed "s,$USER,${SED_LIGHT_MAGENTA},g" | sed -${E} "s,$nosh_usrs,${SED_BLUE},g" | sed -${E} "s,$knw_usrs,${SED_GREEN},g" | sed "s,root,${SED_RED}," | sed -${E} "s,$knw_grps,${SED_GREEN},g"
fi
echo ""
#-- UI) Login now
print_2title "Login now"
(w || who || finger || users) 2>/dev/null | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed -${E} "s,$nosh_usrs,${SED_BLUE}," | sed -${E} "s,$knw_usrs,${SED_GREEN}," | sed "s,$USER,${SED_LIGHT_MAGENTA}," | sed "s,root,${SED_RED},"
echo ""
#-- UI) Last logons
print_2title "Last logons"
(last -Faiw || last) 2>/dev/null | tail | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed -${E} "s,$nosh_usrs,${SED_RED}," | sed -${E} "s,$knw_usrs,${SED_GREEN}," | sed "s,$USER,${SED_LIGHT_MAGENTA}," | sed "s,root,${SED_RED},"
echo ""
#-- UI) Login info
print_2title "Last time logon each user"
lastlog 2>/dev/null | grep -v "Never" | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed -${E} "s,$nosh_usrs,${SED_BLUE}," | sed -${E} "s,$knw_usrs,${SED_GREEN}," | sed "s,$USER,${SED_LIGHT_MAGENTA}," | sed "s,root,${SED_RED},"
EXISTS_FINGER="$(command -v finger 2>/dev/null)"
if [ "$MACPEAS" ] && [ "$EXISTS_FINGER" ]; then
dscl . list /Users | while read uname; do
ushell=$(dscl . -read "/Users/$uname" UserShell | cut -d " " -f2)
if grep -q "$ushell" /etc/shells; then #Shell user
finger "$uname" | sed -${E} "s,$sh_usrs,${SED_LIGHT_CYAN}," | sed -${E} "s,$nosh_usrs,${SED_BLUE}," | sed -${E} "s,$knw_usrs,${SED_GREEN}," | sed "s,$USER,${SED_LIGHT_MAGENTA}," | sed "s,root,${SED_RED},"
echo ""
fi
done
fi
echo ""
#-- UI) Password policy
if [ "$EXTRA_CHECKS" ]; then
print_2title "Password policy"
grep "^PASS_MAX_DAYS\|^PASS_MIN_DAYS\|^PASS_WARN_AGE\|^ENCRYPT_METHOD" /etc/#.defs 2>/dev/null || echo_not_found "/etc/#.defs"
echo ""
if [ "$MACPEAS" ]; then
print_2title "Relevant last user info and user configs"
defaults read /Library/Preferences/com.apple.loginwindow.plist 2>/dev/null
echo ""
print_2title "Guest user status"
sysadminctl -afpGuestAccess status | sed -${E} "s,enabled,${SED_RED}," | sed -${E} "s,disabled,${SED_GREEN},"
sysadminctl -guestAccount status | sed -${E} "s,enabled,${SED_RED}," | sed -${E} "s,disabled,${SED_GREEN},"
sysadminctl -smbGuestAccess status | sed -${E} "s,enabled,${SED_RED}," | sed -${E} "s,disabled,${SED_GREEN},"
echo ""
fi
fi
#-- UI) Brute su
if ! [ "$FAST" ] && ! [ "$SUPERFAST" ] && [ "$TIMEOUT" ] && ! [ "$IAMROOT" ]; then
print_2title "Testing 'su' as other users with shell using as passwords: null pwd, the username and top2000pwds\n"$NC
POSSIBE_SU_BRUTE=$(check_if_su_brute);
if [ "$POSSIBE_SU_BRUTE" ]; then
SHELLUSERS=$(cat /etc/passwd 2>/dev/null | grep -i "sh$" | cut -d ":" -f 1)
printf "%s\n" "$SHELLUSERS" | while read u; do
echo " Bruteforcing user $u..."
su_brute_user_num "$u" $PASSTRY
done
else
printf $GREEN"It's not possible to brute-force su.\n\n"$NC
fi
else
print_2title "Do not forget to test 'su' as any other user with shell: without password and with their names as password (I don't do it in FAST mode...)\n"$NC
fi
print_2title "Do not forget to execute 'sudo -l' without password or with valid password (if you know it)!!\n"$NC