杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
X`7O%HiX/` OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
k!!d2y6 <1>与远程系统建立IPC连接
]C>h_,EZc <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
nz Klue <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
j^D/,SW <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
*s!T$oc <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
BUXlHh%<R <6>服务启动后,killsrv.exe运行,杀掉进程
-_f-j <7>清场
2`V(w[zTr 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
G.qjw]Llf /***********************************************************************
J:\O .F#Fi Module:Killsrv.c
aK8X,1g%) Date:2001/4/27
I} \`l+ Author:ey4s
lht :%Ts$ Http://www.ey4s.org `91?^T;\F ***********************************************************************/
l(~NpT{=V #include
C{YTHNn #include
:(i=> ~O #include "function.c"
!{XVaQ?x #define ServiceName "PSKILL"
cB2~W%H ^F-AZP
/5F SERVICE_STATUS_HANDLE ssh;
Pa/2]) w SERVICE_STATUS ss;
Zrq\:KxX /////////////////////////////////////////////////////////////////////////
nDXy$f8 void ServiceStopped(void)
Su k;##I {
RY~mQ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
a'7RzN ,] ss.dwCurrentState=SERVICE_STOPPED;
rM20Y(| ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
[UB]vPXm$ ss.dwWin32ExitCode=NO_ERROR;
M"8?XD% ss.dwCheckPoint=0;
&usum~@ ss.dwWaitHint=0;
9iGp0_J SetServiceStatus(ssh,&ss);
3MoVIf1 return;
yXro6u?rC }
E>kgEfzxP /////////////////////////////////////////////////////////////////////////
UL3u2g;d void ServicePaused(void)
df9$k0Fx {
xUIH,Fp-9 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
2XV3f$, H ss.dwCurrentState=SERVICE_PAUSED;
$lF\FC ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
/+f3jy:d ss.dwWin32ExitCode=NO_ERROR;
*m&(h@l ss.dwCheckPoint=0;
jk5C2dy ss.dwWaitHint=0;
$wqi^q*) SetServiceStatus(ssh,&ss);
m[A$Sp_"-h return;
;uqi }
- S%8 void ServiceRunning(void)
K}Lu1:~ {
Sp@{5 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
S~{}jvc ss.dwCurrentState=SERVICE_RUNNING;
/?:q9Wy ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
sB<y(}u
ss.dwWin32ExitCode=NO_ERROR;
YF13&E2`\ ss.dwCheckPoint=0;
CjU?3Ag ss.dwWaitHint=0;
gm}zF%B" SetServiceStatus(ssh,&ss);
6"V86b0)h} return;
A )xfO- }
Uy$?B"Z /////////////////////////////////////////////////////////////////////////
0lpUn74F void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
s5oU {
yu=(m~KX
switch(Opcode)
Y NG S"3F {
8&v%>wxR@ case SERVICE_CONTROL_STOP://停止Service
{Pe+d3Eoo ServiceStopped();
bYy7Ul6] break;
Bmi9U case SERVICE_CONTROL_INTERROGATE:
b IZi3GmRF SetServiceStatus(ssh,&ss);
;})so break;
&MGM9
zm-] }
k#<Y2FJa return;
CK1gzIg> }
n#)kvr //////////////////////////////////////////////////////////////////////////////
jn>RE //杀进程成功设置服务状态为SERVICE_STOPPED
^-K~y //失败设置服务状态为SERVICE_PAUSED
t/a //
_Zbgmasb void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
]]|vQA^ {
u]Dds;~"b ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
"ax"k0 if(!ssh)
<*DP G\6Ma {
!{ /AJb ServicePaused();
Q5tx\GE return;
7R>Pk9J }
@%[
VegT ServiceRunning();
IHj9n>c)[ Sleep(100);
r~T3Ieb //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
CI@qT}Y_ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
?.,2EC=+ if(KillPS(atoi(lpszArgv[5])))
w(nQ:;oC ServiceStopped();
L_}F.nbS5 else
jUy$aGX ServicePaused();
]f3R;d return;
>w|2 ~oK }
8\CmM\R /////////////////////////////////////////////////////////////////////////////
@'FO M void main(DWORD dwArgc,LPTSTR *lpszArgv)
i
UW.$1l {
Z_[jah SERVICE_TABLE_ENTRY ste[2];
TXK82qTdf ste[0].lpServiceName=ServiceName;
Iqb|.v LG ste[0].lpServiceProc=ServiceMain;
iPt{v5}] ste[1].lpServiceName=NULL;
4$8\IJ7G ste[1].lpServiceProc=NULL;
\m1jV>q StartServiceCtrlDispatcher(ste);
??=7pFm return;
&BQ%df<y\ }
LArfX,x3i /////////////////////////////////////////////////////////////////////////////
TS;?>J- function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
[^A>hs* 下:
3Uni{Z]Q) /***********************************************************************
fnudu0k Module:function.c
Q#*Pjl Date:2001/4/28
$rz'Ybs Author:ey4s
xi"Ug41) Http://www.ey4s.org =idZvD
***********************************************************************/
1TL~I-G&n #include
N1u2=puJY ////////////////////////////////////////////////////////////////////////////
3(>NS ?lX BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
'A9U[| {
y7Y g$)sL TOKEN_PRIVILEGES tp;
Y,s@FGI2 LUID luid;
f7j9'k f`8mES'gc8 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
"SN+ ^` {
5tl uS printf("\nLookupPrivilegeValue error:%d", GetLastError() );
HDT-f9%}<4 return FALSE;
kS$m$
D }
a1#
'uS9W tp.PrivilegeCount = 1;
;U$EM+9 tp.Privileges[0].Luid = luid;
Ems0"e if (bEnablePrivilege)
2~2j?\AEd. tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
y,=TB[d# else
*p7_rY tp.Privileges[0].Attributes = 0;
O,?aVgY // Enable the privilege or disable all privileges.
-WK AdjustTokenPrivileges(
JM Ikr9/$ hToken,
S*?x|&a FALSE,
+
+G%~)S: &tp,
/a:L"7z sizeof(TOKEN_PRIVILEGES),
XpibI3:< (PTOKEN_PRIVILEGES) NULL,
xzTF| Z\ (PDWORD) NULL);
Z^yhSbE{5 // Call GetLastError to determine whether the function succeeded.
.?p\=C@C+ if (GetLastError() != ERROR_SUCCESS)
};@J)} {
IRl(H_. printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
-[.A6W return FALSE;
\t@4)+s/) }
]*JH~.p return TRUE;
7.tEi}O&_g }
HVK./yqy ////////////////////////////////////////////////////////////////////////////
LjMhPzCp BOOL KillPS(DWORD id)
|!H@{o {
}?XNA.Wz HANDLE hProcess=NULL,hProcessToken=NULL;
keL!;q|r-) BOOL IsKilled=FALSE,bRet=FALSE;
?tFsSU __try
I6Mr[#* {
UIi`bbJ mL[Y{t#N if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
*IBCThj {
u3@v printf("\nOpen Current Process Token failed:%d",GetLastError());
e&J_uG __leave;
_f@,
>l }
6b9&V` //printf("\nOpen Current Process Token ok!");
:T# "bY if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
;#Pc^Yzc1 {
DB;Nr3x __leave;
61{IXx_ }
F_C_K"[s printf("\nSetPrivilege ok!");
\cRe,(?O `<^1Ik[g if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
3WQ"3^G {
2rJeON printf("\nOpen Process %d failed:%d",id,GetLastError());
,7nA:0P __leave;
Vm
<9/UG< }
uw`fC%-xh //printf("\nOpen Process %d ok!",id);
Jdp@3mP
if(!TerminateProcess(hProcess,1))
o:"^@3 {
UAq%Y8KA printf("\nTerminateProcess failed:%d",GetLastError());
}g|)+V\A __leave;
-C<Ni }
hpOUz% IsKilled=TRUE;
7JHS8C<] }
Kk_h&by? __finally
}MV=I$S2U {
' 5%`[& if(hProcessToken!=NULL) CloseHandle(hProcessToken);
A/#Xr if(hProcess!=NULL) CloseHandle(hProcess);
sCE2 F_xjL }
;5wr5H3 return(IsKilled);
@CU~3Md* }
, %%}d9 //////////////////////////////////////////////////////////////////////////////////////////////
fK{[=xMr@ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
JDy ;Jb /*********************************************************************************************
I~.d/!>Z ModulesKill.c
<OC|z3na_ Create:2001/4/28
<m3or Modify:2001/6/23
#\)tz z Author:ey4s
:[ AP^ Http://www.ey4s.org u t4+c0 PsKill ==>Local and Remote process killer for windows 2k
,Y3wXmG **************************************************************************/
]~A<Q{ #include "ps.h"
ZT'Sw%U: #define EXE "killsrv.exe"
d$(>=gzBQ #define ServiceName "PSKILL"
{!9i8T wu2C!gyBo #pragma comment(lib,"mpr.lib")
`Ufv,_n //////////////////////////////////////////////////////////////////////////
Vdz(\-}ao //定义全局变量
GxR, 3 SERVICE_STATUS ssStatus;
qTl/bFD SC_HANDLE hSCManager=NULL,hSCService=NULL;
U\\nSU BOOL bKilled=FALSE;
,@'M'S char szTarget[52]=;
xFY<
ns //////////////////////////////////////////////////////////////////////////
~1yMw.04V BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
tuiQk=[c BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
!(wH}ti BOOL WaitServiceStop();//等待服务停止函数
11Hf)]M
BOOL RemoveService();//删除服务函数
tSvklI /////////////////////////////////////////////////////////////////////////
U.B=%S int main(DWORD dwArgc,LPTSTR *lpszArgv)
{k}EWV {
p!~{<s] BOOL bRet=FALSE,bFile=FALSE;
"=BO,see9 char tmp[52]=,RemoteFilePath[128]=,
Y4B<]C4 szUser[52]=,szPass[52]=;
J|BZ{T}d HANDLE hFile=NULL;
0fd\R_"d. DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
U~w g' FTg4i\Wp //杀本地进程
hIr$^% if(dwArgc==2)
r
7mg>3 {
k v}<u if(KillPS(atoi(lpszArgv[1])))
KtFxG6a printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
S"z cSkF else
a} w%k printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
khW9n* lpszArgv[1],GetLastError());
<?I s ~[2 return 0;
u70-HFI@ }
pM i w9} //用户输入错误
F}lgy;=h else if(dwArgc!=5)
E(&GZ QE {
G2,r%|7ta printf("\nPSKILL ==>Local and Remote Process Killer"
)
-C9W7?I "\nPower by ey4s"
XI*_ti "\nhttp://www.ey4s.org 2001/6/23"
DB>Y#2j4h "\n\nUsage:%s <==Killed Local Process"
{&Bpf
K;`) "\n %s <==Killed Remote Process\n",
@-ma_0cZQ lpszArgv[0],lpszArgv[0]);
/@.c
59r return 1;
!^|%Z }
VnJ-nfA //杀远程机器进程
ab=s+[r1 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
hR$lX8 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
%YaUc{.% strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
^3-Wxn9& iZy`5 //将在目标机器上创建的exe文件的路径
L8~nx}UP5 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
2z\4?HJy __try
7Pc0|Z/ {
N&0MA //与目标建立IPC连接
Vd{h|=J if(!ConnIPC(szTarget,szUser,szPass))
IFX|"3[$ {
] _/d printf("\nConnect to %s failed:%d",szTarget,GetLastError());
m7XJe[O return 1;
Qjj:r~l }
/Jc?;@{ printf("\nConnect to %s success!",szTarget);
|m%M$^sZ} //在目标机器上创建exe文件
!vQ!_|g1 1@ j>2>i hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
G=8w9-Ww E,
aqb;H 'F NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
J9LS6~
7 if(hFile==INVALID_HANDLE_VALUE)
I@=h|GM {
X'&$wQ6,K printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
,qRSB>5c __leave;
3"gifE }
)r2$/QF9 //写文件内容
_e.b#{=9 while(dwSize>dwIndex)
(jD..qMs# {
T$]2U>=<J /p
[l(H if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
8j,_ {
f/b }X3K printf("\nWrite file %s
-?b@ 6U failed:%d",RemoteFilePath,GetLastError());
JXlFo3< __leave;
v`hv5wQ }
\ooqa<_ dwIndex+=dwWrite;
Gc9^Z= }
WRAW%?$ //关闭文件句柄
(%>Sln5hq CloseHandle(hFile);
NEO~|B*oDU bFile=TRUE;
`~(C\+gUp //安装服务
ED/-,>[f if(InstallService(dwArgc,lpszArgv))
Ar sMqb {
34C
^vBp //等待服务结束
cLlfncI if(WaitServiceStop())
KrkZv$u, {
Q;P ~' //printf("\nService was stoped!");
&,Q{l$`X }
71tMX[x else
]tZ5XS {
#{0DpSzE5 //printf("\nService can't be stoped.Try to delete it.");
81_3{OrE< }
Vk_*]wU Sleep(500);
|Z;wk& //删除服务
$EJ*x$ RemoveService();
B>?Y("E }
&Jj> jCg }
Z-<v5aF __finally
YeJ95\jf {
i&,U);T //删除留下的文件
~,e!t.339 if(bFile) DeleteFile(RemoteFilePath);
DuvP3(K //如果文件句柄没有关闭,关闭之~
BH0rT}) if(hFile!=NULL) CloseHandle(hFile);
SEchF"KJQF //Close Service handle
^TWN_(-@ if(hSCService!=NULL) CloseServiceHandle(hSCService);
~rCnST //Close the Service Control Manager handle
n @L!{zY if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
l7{hq}@;cC //断开ipc连接
+>qBK}` wsprintf(tmp,"\\%s\ipc$",szTarget);
)O- x1U WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
%FFw!eVi if(bKilled)
FA^x|C =$ printf("\nProcess %s on %s have been
~+7yi4(i killed!\n",lpszArgv[4],lpszArgv[1]);
g}^/8rW else
/&j4I