On Thursday, February 20, 2020 6:36:46 PM EST Moshe Rechtman wrote:
 Hello Experts,
 
 We have a big customer that facing the following issue on RHEL 6.2.
 As per customer request I've configured the following rules:
 
 $ cat audit.rules
 
 # This file contains the auditctl rules that are loaded
 # whenever the audit daemon is started via the initscripts.
 # The rules are simply the parameters that would be passed
 # to auditctl.
 
 # First rule - delete all
 -D
 
 # Increase the buffers to survive stress events.
 # Make this bigger for busy systems
 -b 320
 
 # Feel free to add below this line. See auditctl man page
 
 -a exit,always -F arch=b64 -F euid=0 -S execve -k rootact
 -a exit,always -F arch=b32 -F euid=0 -S execve -k rootact
 -a exit,always -F arch=b64 -F euid>=500 -S execve -k useract
 -a exit,always -F arch=b32 -F euid>=500 -S execve -k useract
 
 
 Audit start working as expected. Now customer is asking to exclude/ignore
 the following from audit logs:
 
 type=SYSCALL msg=audit(1581664357.597:257516): arch=c000003e
 syscall=59 success=yes exit=0 a0=3869161ea3 a1=7ffd15530c20
 a2=7ffd15534348 a3=3869617240 items=2 ppid=3350 pid=59266
 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0
 fsgid=0 tty=(none) ses=4294967295 comm="sh" exe="/bin/bash"
 key="rootact"
 type=EXECVE msg=audit(1581664357.597:257516): argc=3 a0="sh" a1="-c"
 a2=2F62696E2F70732061757877777777
 type=CWD msg=audit(1581664357.597:257516): 
 cwd="/opt/microfocus/Discovery/bin" type=PATH
 msg=audit(1581664357.597:257516): item=0 name="/bin/sh" inode=398
 dev=fd:01 mode=0100755 ouid=0 ogid=0 rdev=00:00
 nametype=NORMAL
 type=PATH msg=audit(1581664357.597:257516): item=1 name=(null)
 inode=4481 dev=fd:01 mode=0100755 ouid=0 ogid=0 rdev=00:00
 nametype=NORMAL
 
 ype=SYSCALL msg=audit(1581664357.601:257517): arch=c000003e syscall=59
 success=yes exit=0 a0=155c2f0 a1=155b8d0 a2=155b460 a3=18 items=2
 ppid=3350 pid=59266 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0
 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="ps"
 exe="/bin/ps" key="rootact"
 type=EXECVE msg=audit(1581664357.601:257517): argc=2 a0="/bin/ps"
 a1="auxwwww" type=CWD msg=audit(1581664357.601:257517): 
 cwd="/opt/microfocus/Discovery/bin" type=PATH
 msg=audit(1581664357.601:257517): item=0 name="/bin/ps" inode=1451
 dev=fd:01 mode=0100755 ouid=0 ogid=0 rdev=00:00
 nametype=NORMAL
 type=PATH msg=audit(1581664357.601:257517): item=1 name=(null)
 inode=4481 dev=fd:01 mode=0100755 ouid=0 ogid=0 rdev=00:00
 nametype=NORMAL
 
 What would be the best way to exclude such audit?
 Your help would be much appreciated. 
What's objectionable about these events? The fact that its got a key says 
they think they wanted it.
-Steve