Password spraying
People don't always choose strong passwords, neither do IT people for temporary accounts. Spraying passwords against all user accounts is effective for moving laterally and escalating privileges.
Last updated
People don't always choose strong passwords, neither do IT people for temporary accounts. Spraying passwords against all user accounts is effective for moving laterally and escalating privileges.
Last updated
To create two new users with weak passwords execute the following commands on DC02
after logging in with the Administrator
user.
Spraying passwords was already covered in the Initial Access Attacks section.
But since we have a set of valid credentials of the domain now, we could request a list of all usernames and passwordspray again. We will do just that in this section.
Use the discovered credentials john
and password Welcome2022!
with crackmapexec to authenticate over ldap and retrieve a list of all the users.
2. We discovered a couple extra users such as admin_amsterdam
, IT-support01
, pukcab
, IT-support01
, bankuser
and banktest
.
3. We could spray passwords using the tool spray, just like before. But lets use another tool now, like Crackmapexec. We just need to give it a list of usernames and passwords and add the --continue-on-success
parameter otherwise it stops as the first succesfull login.
We discovered two extra set of credentials. Bankuser
and banktest
.
Implement a strong password policy: