This file is indexed.

/etc/prelude-lml/ruleset/su.rules is in prelude-lml 1.0.0-5.3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 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
###################
# Logging succeed #
###################

regex=to root on; \
 id=10003; \
 assessment.impact.type=admin; \
 target(0).user.user_id(0).number=0; \
 chained; silent;

#LOG: Jul 18 17:12:49 hids su: afonyashin to root on /dev/ttyp0
#LOG: Jul 18 17:12:49 hids su: afonyashin to alice on /dev/ttyp0
optgoto=10003; regex=su: (\S+) to (\S+) on (\S+); \
 classification.text=Credentials Change; \
 id=10000; \
 revision=1; \
 analyzer(0).name=su; \
 analyzer(0).class=Authentication; \
 assessment.impact.completion=succeeded; \
 assessment.impact.type=user; \
 assessment.impact.severity=low; \
 assessment.impact.description=User $1 authenticated to $2 successfully; \
 source(0).user.category=os-device; \
 source(0).user.user_id(0).type=current-user; \
 source(0).user.user_id(0).name=$1;  \
 source(0).user.user_id(0).tty=$3;  \
 target(0).user.category=os-device; \
 target(0).user.user_id(0).type=target-user; \
 target(0).user.user_id(0).name=$2; \
 last;


################
# Login failed #
################

#LOG: Jul 18 17:12:44 hids su: BAD SU afonyashin to root on /dev/ttyp0
#LOG: Jul 18 17:12:44 hids su: BAD SU afonyashin to alice on /dev/ttyp0
regex=su: BAD SU (\S+) to (\S+) on (\S+); \
 classification.text=Credentials Change; optgoto=10003; \
 id=10002; \
 revision=1; \
 analyzer(0).name=su; \
 analyzer(0).class=Authentication; \
 assessment.impact.completion=failed; \
 assessment.impact.type=user; \
 assessment.impact.severity=high; \
 assessment.impact.description=User $1 tried to authenticate as $2 and failed; \
 source(0).user.category=os-device; \
 source(0).user.user_id(0).type=current-user; \
 source(0).user.user_id(0).name=$1;  \
 source(0).user.user_id(0).tty=$3;  \
 target(0).user.category=os-device; \
 target(0).user.user_id(0).type=target-user; \
 target(0).user.user_id(0).name=$2; \
 last;