blob: ee37cc1f84bde2237692fc88866ae6c2c33583a5 (
plain)
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
|
#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2014, Michael Boelen (michael.boelen@cisofy.com)
# Web site: https://cisofy.com
#
# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
# welcome to redistribute it under the terms of the GNU General Public License.
# See LICENSE file for usage of this software.
#
#################################################################################
#
FILE_INT_TOOL_FOUND=0 # Boolean, file integrity tool found
#
#################################################################################
#
InsertSection "Software: file integrity"
Display --indent 2 --text "- Checking file integrity tools"
#
#################################################################################
#
# Test : FINT-4310
# Description : Check if AFICK is installed
Register --test-no FINT-4310 --weight L --network NO --description "AFICK availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking AFICK binary"
if [ ! "${AFICKBINARY}" = "" ]; then
logtext "Result: AFICK is installed (${AFICKBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- AFICK" --result FOUND --color GREEN
else
logtext "Result: AFICK is not installed"
Display --indent 4 --text "- AFICK" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4314
# Description : Check if AIDE is installed
Register --test-no FINT-4314 --weight L --network NO --description "AIDE availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking AIDE binary"
if [ ! "${AIDEBINARY}" = "" ]; then
logtext "Result: AIDE is installed (${AIDEBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- AIDE" --result FOUND --color GREEN
else
logtext "Result: AIDE is not installed"
Display --indent 4 --text "- AIDE" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4315
# Description : Check AIDE configuration file
if [ ! "${AIDEBINARY}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FINT-4315 --preqs-met ${PREQS_MET} --weight L --network NO --description "Check AIDE configuration file"
if [ ${SKIPTEST} -eq 0 ]; then
AIDE_CONFIG_LOCS="/etc /etc/aide /usr/local/etc"
logtext "Test: search for aide.conf in ${AIDE_CONFIG_LOCS}"
for I in ${AIDE_CONFIG_LOCS}; do
if [ -f ${I}/aide.conf ]; then
logtext "Result: found aide.conf in directory ${I}"
AIDECONFIG="${I}/aide.conf"
fi
done
if [ "${AIDECONFIG}" = "" ]; then
Display --indent 6 --text "- AIDE config file" --result "NOT FOUND" --color YELLOW
else
logtext "Checking configuration file ${AIDECONFIG} for errors"
FIND=`${AIDEBINARY} --config=${AIDECONFIG} -D; echo $?`
if [ "${FIND}" = "0" ]; then
Display --indent 6 --text "- AIDE config file" --result FOUND --color GREEN
else
Display --indent 6 --text "- AIDE config file" --result WARNING --color YELLOW
ReportSuggestion "${TEST_NO}" "Check the AIDE configuratio file as it may contain errors"
fi
fi
fi
#
#################################################################################
#
# Test : FINT-4316
# Description : Check if AIDE is configured to use SHA256 or SHA512 checksums
if [ ! "${AIDEBINARY}" = "" -a ! "${AIDECONFIG}" = "" ]; then PREQS_MET="YES"; else PREQS_MET="NO"; fi
Register --test-no FINT-4316 --preqs-met ${PREQS_MET} --weight L --network NO --description "AIDE configuration: Checksums (SHA256 or SHA512)"
if [ ${SKIPTEST} -eq 0 ]; then
FIND=`${GREPBINARY} "^Checksums" ${AIDECONFIG}`
FIND2=`${GREPBINARY} "^Checksums" ${AIDECONFIG} | ${EGREPBINARY} "sha256|sha512"`
if [ "${FIND}" = "" ]; then
logtext "Result: Unclear how AIDE is dealing with checksums"
Display --indent 6 --text "- AIDE config (Checksums)" --result UNKNOWN --color YELLOW
else
if [ "${FIND2}" = "" ]; then
logtext "Result: No SHA256 or SHA512 found for creating checksums"
Display --indent 6 --text "- AIDE config (Checksum)" --result WARNING --color RED
ReportSuggestion ${TEST_NO} "Use SHA256 or SHA512 to create checksums in AIDE"
AddHP 1 3
else
logtext "Result: Found SHA256 or SHA512 found for creating checksums"
Display --indent 6 --text "- AIDE config (Checksum)" --result OK --color GREEN
AddHP 2 2
fi
fi
fi
#
#################################################################################
#
# Test : FINT-4318
# Description : Check if Osiris is installed
Register --test-no FINT-4318 --weight L --network NO --description "Osiris availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking Osiris binary"
if [ ! "${OSIRISBINARY}" = "" ]; then
logtext "Result: Osiris is installed (${OSIRISBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- Osiris" --result FOUND --color GREEN
else
logtext "Result: Osiris is not installed"
Display --indent 4 --text "- Osiris" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4322
# Description : Check if Samhain is installed
Register --test-no FINT-4322 --weight L --network NO --description "Samhain availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking Samhain binary"
if [ ! "${SAMHAINBINARY}" = "" ]; then
logtext "Result: Samhain is installed (${SAMHAINBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- Samhain" --result FOUND --color GREEN
else
logtext "Result: Samhain is not installed"
Display --indent 4 --text "- Samhain" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4326
# Description : Check if Tripwire is installed
Register --test-no FINT-4326 --weight L --network NO --description "Tripwire availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking Tripwire binary"
if [ ! "${TRIPWIREBINARY}" = "" ]; then
logtext "Result: Tripwire is installed (${TRIPWIREBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- Tripwire" --result FOUND --color GREEN
else
logtext "Result: Tripwire is not installed"
Display --indent 4 --text "- Tripwire" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4328
# Description : Check if OSSEC system integrity tool is running
Register --test-no FINT-4328 --weight L --network NO --description "OSSEC syscheck daemon running"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking if OSSEC syscheck daemon is running"
IsRunning ossec-syscheckd
if [ ${RUNNING} -eq 1 ]; then
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- OSSEC (syscheck)" --result FOUND --color GREEN
else
Display --indent 4 --text "- OSSEC (syscheck)" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4330
# Description : Check if mtree is installed
# Note : Usually on BSD and similar
Register --test-no FINT-4330 --weight L --network NO --description "mtree availability"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Checking mtree binary"
if [ ! "${MTREEBINARY}" = "" ]; then
logtext "Result: mtree is installed (${MTREEBINARY})"
FILE_INT_TOOL_FOUND=1
Display --indent 4 --text "- mtree" --result FOUND --color GREEN
else
logtext "Result: mtree is not installed"
Display --indent 4 --text "- mtree" --result "NOT FOUND" --color WHITE
fi
fi
#
#################################################################################
#
# Test : FINT-4350
# Description : Check if at least one file integrity tool is installed
Register --test-no FINT-4350 --weight L --network NO --description "File integrity software installed"
if [ ${SKIPTEST} -eq 0 ]; then
logtext "Test: Check if at least on file integrity tool is available/installed"
if [ ${FILE_INT_TOOL_FOUND} -eq 1 ]; then
logtext "Result: found at least one file integrity tool"
Display --indent 2 --text "- Checking presence integrity tool" --result FOUND --color GREEN
AddHP 5 5
else
logtext "Result: No file integrity tools found"
Display --indent 2 --text "- Checking presence integrity tool" --result "NOT FOUND" --color YELLOW
ReportSuggestion ${TEST_NO} "Install a file integrity tool"
AddHP 0 5
fi
fi
#
#################################################################################
#
report "file_integrity_tool_installed=${FILE_INT_TOOL_FOUND}"
wait_for_keypress
#
#================================================================================
# Lynis - Copyright 2007-2014 Michael Boelen, CISOfy - https://cisofy.com
|