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#!/bin/bash
if [[ ! -f /etc/security/msec/security.conf ]]; then
echo "Can't access /etc/security/msec/security.conf."
exit 1
fi
. /etc/security/msec/security.conf
SUID_ROOT_TODAY="/var/log/security/suid_root.today"
SUID_ROOT_YESTERDAY="/var/log/security/suid_root.yesterday"
SUID_ROOT_DIFF="/var/log/security/suid_root.diff"
SUID_GROUP_TODAY="/var/log/security/suid_group.today"
SUID_GROUP_YESTERDAY="/var/log/security/suid_group.yesterday"
SUID_GROUP_DIFF="/var/log/security/suid_group.diff"
SUID_MD5_TODAY="/var/log/security/suid_md5.today"
SUID_MD5_YESTERDAY="/var/log/security/suid_md5.yesterday"
SUID_MD5_DIFF="/var/log/security/suid_md5.diff"
OPEN_PORT_TODAY="/var/log/security/open_port.today"
OPEN_PORT_YESTERDAY="/var/log/security/open_port.yesterday"
OPEN_PORT_DIFF="/var/log/security/open_port.diff"
WRITEABLE_TODAY="/var/log/security/writeable.today"
WRITEABLE_YESTERDAY="/var/log/security/writeable.yesterday"
WRITEABLE_DIFF="/var/log/security/writeable.diff"
UNOWNED_USER_TODAY="/var/log/security/unowned_user.today"
UNOWNED_USER_YESTERDAY="/var/log/security/unowned_user.yesterday"
UNOWNED_USER_DIFF="/var/log/security/unowned_user.diff"
UNOWNED_GROUP_TODAY="/var/log/security/unowned_group.today"
UNOWNED_GROUP_YESTERDAY="/var/log/security/unowned_group.yesterday"
UNOWNED_GROUP_DIFF="/var/log/security/unowned_group.diff"
# Modified filters coming from debian security scripts.
CS_NFSAFS='(nfs|afs|xfs|coda)'
CS_TYPES=' type (devpts|auto|proc|msdos|fat|vfat|iso9660|ncpfs|smbfs|'$CS_NFSAFS')'
CS_DEVS='^/dev/fd'
CS_DIRS='on /mnt'
FILTERS="$CS_TYPES|$CS_DEVS|$CS_DIRS"
DIR=`mount | grep -vE "$FILTERS" | cut -d ' ' -f3`
PRINT="%h/%f\n"
#PRINT="%8i %5m %3n %-10u %-10g %9s %t %h/%f\n"
if [[ ! -d /var/log/security ]]; then
mkdir /var/log/security
fi
if [[ -s ${SUID_ROOT_TODAY} ]]; then
mv ${SUID_ROOT_TODAY} ${SUID_ROOT_YESTERDAY};
fi
if [[ -s ${SUID_GROUP_TODAY} ]]; then
mv ${SUID_GROUP_TODAY} ${SUID_GROUP_YESTERDAY};
fi
if [[ -s ${WRITEABLE_TODAY} ]]; then
mv ${WRITEABLE_TODAY} ${WRITEABLE_YESTERDAY};
fi
if [[ -s ${UNOWNED_USER_TODAY} ]]; then
mv ${UNOWNED_USER_TODAY} ${UNOWNED_USER_YESTERDAY};
fi
if [[ -s ${UNOWNED_GROUP_TODAY} ]]; then
mv ${UNOWNED_GROUP_TODAY} ${UNOWNED_GROUP_YESTERDAY};
fi
if [[ -s ${OPEN_PORT_TODAY} ]]; then
mv -f ${OPEN_PORT_TODAY} ${OPEN_PORT_YESTERDAY}
fi
if [[ -s ${SUID_MD5_TODAY} ]]; then
mv ${SUID_MD5_TODAY} ${SUID_MD5_YESTERDAY};
fi
netstat -pvlA inet > ${OPEN_PORT_TODAY};
find ${DIR} -xdev -type f -perm +04000 -user root -printf "${PRINT}" | sort > ${SUID_ROOT_TODAY}
find ${DIR} -xdev -type f -perm +02000 -printf "${PRINT}" | sort > ${SUID_GROUP_TODAY}
find ${DIR} -xdev -type f -perm -2 -printf "${PRINT}" | sort > ${WRITEABLE_TODAY}
find ${DIR} -xdev -nouser -printf "${PRINT}" | sort > ${UNOWNED_USER_TODAY}
find ${DIR} -xdev -nogroup -printf "${PRINT}" | sort > ${UNOWNED_GROUP_TODAY}
cat ${SUID_ROOT_TODAY} | while read line; do
md5sum ${line}
done > ${SUID_MD5_TODAY}
/etc/security/msec/cron-sh/diff_check.sh
/etc/security/msec/cron-sh/security_check.sh
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