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。
.yqM7U_ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
L(|N[# <1>与远程系统建立IPC连接
bU2Z[sn. <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
{byBcG <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
v,-HU&/*B <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
Uyg5i[&X@ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
JP!~,mdS <6>服务启动后,killsrv.exe运行,杀掉进程
Gi?/C&1T <7>清场
K<SyC54 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
vyK7I%T'R /***********************************************************************
0zlb0[ Module:Killsrv.c
>_-s8t=| Date:2001/4/27
1Z+8r Author:ey4s
#~2%) Http://www.ey4s.org 9=8iy
w ***********************************************************************/
NV72 #include
6;\I))"[ #include
ZojIR\F^ #include "function.c"
[B#R94 #define ServiceName "PSKILL"
mD$A4Y-'p M/>7pZW SERVICE_STATUS_HANDLE ssh;
ao1(]64X" SERVICE_STATUS ss;
}@'$b<!B /////////////////////////////////////////////////////////////////////////
tl,.fjZn void ServiceStopped(void)
a!7A_q8M {
Z<1FSk,[ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
; >hNt ss.dwCurrentState=SERVICE_STOPPED;
Z'`gJ&6n ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
:cem,#(= ss.dwWin32ExitCode=NO_ERROR;
\r^qL^ ss.dwCheckPoint=0;
=.f-w0V ss.dwWaitHint=0;
AS'R?aX|C SetServiceStatus(ssh,&ss);
zZPuha8 return;
H]{v;;'~ }
4B =7:r /////////////////////////////////////////////////////////////////////////
y&q*maa[ void ServicePaused(void)
o{* e'4 {
#%iDT6 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Ch&a/S} ss.dwCurrentState=SERVICE_PAUSED;
s C%&cRQD ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
ww\CQ6/h ss.dwWin32ExitCode=NO_ERROR;
I5 o)_nc ss.dwCheckPoint=0;
$+8cc\fq ss.dwWaitHint=0;
fi-WZ SetServiceStatus(ssh,&ss);
S!jTyY7e return;
\HxT@UQ)~ }
#^lL5= void ServiceRunning(void)
>kj`7GA {
jaTh^L ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
we~[ ]
\
ss.dwCurrentState=SERVICE_RUNNING;
ck ]Do!h ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
~
-4{B ss.dwWin32ExitCode=NO_ERROR;
b#uL?f ss.dwCheckPoint=0;
:1cV;gJ ss.dwWaitHint=0;
jSD#X3qp SetServiceStatus(ssh,&ss);
nrL9
E'F' return;
rn/ /% }
~("5yG /////////////////////////////////////////////////////////////////////////
lP[w?O void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
jqWu {
QwNly4 switch(Opcode)
I
WTwz!+ {
q
MfT>rH case SERVICE_CONTROL_STOP://停止Service
-[*,^Ti` ServiceStopped();
ypbe!Y<i] break;
9TgIB case SERVICE_CONTROL_INTERROGATE:
/7aBDc-v SetServiceStatus(ssh,&ss);
KSbKEA break;
7L`A{L }
$:=A'd2 return;
r@72|:, }
35Ij
..z0 //////////////////////////////////////////////////////////////////////////////
Sz%tJD.. //杀进程成功设置服务状态为SERVICE_STOPPED
*;l]8. //失败设置服务状态为SERVICE_PAUSED
(|[2J3ZET //
S@jQX void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
_7Rr=_1} {
Ff$L| ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
PXK7b2fE. if(!ssh)
kW2sY^Rg {
#+:9T/*>0 ServicePaused();
h%o%fH&F! return;
6.CbAi3Z
}
WQ~;;.v# ServiceRunning();
&v$rn#l Sleep(100);
`_BNy=`s* //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Fz3fwLawI //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
$Z!`Hb if(KillPS(atoi(lpszArgv[5])))
sT !~J4 ServiceStopped();
|XT)QK1 else
"9m2/D`= ServicePaused();
G<At_YS return;
_K`wG}YIE }
9E
zj" /////////////////////////////////////////////////////////////////////////////
4H,`]B8(D void main(DWORD dwArgc,LPTSTR *lpszArgv)
-d~4A
{
zO~8?jDN4| SERVICE_TABLE_ENTRY ste[2];
-l`f)0{ ste[0].lpServiceName=ServiceName;
DwaBdN[!7 ste[0].lpServiceProc=ServiceMain;
r;B8i!gD ste[1].lpServiceName=NULL;
I3=%h ste[1].lpServiceProc=NULL;
~T ]m>A! StartServiceCtrlDispatcher(ste);
9*2[B"5 return;
8J=?5 }
MC?,UDNd% /////////////////////////////////////////////////////////////////////////////
%@wJ`F2a_ 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
yyoqX"v[ 下:
$h5xH9x
; /***********************************************************************
}O/U;4Z Module:function.c
XF P atd Date:2001/4/28
m`v2: S} Author:ey4s
y-T| # Http://www.ey4s.org ]Uw<$!$-]s ***********************************************************************/
8
BY j #include
z8jk[5z ////////////////////////////////////////////////////////////////////////////
~"!]
3C,L BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
)hd@S9Z.Y {
]=.\-K TOKEN_PRIVILEGES tp;
|S_T^'<W LUID luid;
ST2.:v;lb bBu,#Mc if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
!,l9@eJQ {
_wC3kAO printf("\nLookupPrivilegeValue error:%d", GetLastError() );
d_AK`wR return FALSE;
JIOh#VNU }
O?NeSx1 tp.PrivilegeCount = 1;
kd=GCO tp.Privileges[0].Luid = luid;
;KOLNi-B& if (bEnablePrivilege)
G %N
$C tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
@|Fg,N<Y] else
aiQ>xen5C5 tp.Privileges[0].Attributes = 0;
*"R|4"uy // Enable the privilege or disable all privileges.
G3{Q"^S" AdjustTokenPrivileges(
/,1D)0 hToken,
mYxuA0/k FALSE,
jYx38_5e &tp,
A3rPt&<a sizeof(TOKEN_PRIVILEGES),
g+DzscIT (PTOKEN_PRIVILEGES) NULL,
+~'865 { (PDWORD) NULL);
QBtnx[ // Call GetLastError to determine whether the function succeeded.
`D>S;[~S7 if (GetLastError() != ERROR_SUCCESS)
FjK3
.>' {
F
;{n"3< printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
- d8TD*^ return FALSE;
E>&n.% }
E_Im^a return TRUE;
&/mA7Vf>eR }
@WJgWJm ////////////////////////////////////////////////////////////////////////////
2uG0/7 BOOL KillPS(DWORD id)
uJOJ-5}yt {
7]^M># HANDLE hProcess=NULL,hProcessToken=NULL;
O>SLOWgha BOOL IsKilled=FALSE,bRet=FALSE;
|B.0TdF __try
t/ +=|* {
HKF H/eV =3|O%\ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
w<zIAQN {
7Ok;Lt!x printf("\nOpen Current Process Token failed:%d",GetLastError());
+hvO^?4j __leave;
:r%P.60H X }
ipQLK{]t //printf("\nOpen Current Process Token ok!");
=Qh\D if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
`n$I]_}/% {
9dFy"yxYa __leave;
eyefW n& }
K|Ld,bq printf("\nSetPrivilege ok!");
D|@/yDQ LAVAFlK5 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
D<|qaHB= {
}xBc0gr printf("\nOpen Process %d failed:%d",id,GetLastError());
$P>`m$(8 __leave;
dA@'b5N{" }
f-}[_Y%; //printf("\nOpen Process %d ok!",id);
SeHagKA if(!TerminateProcess(hProcess,1))
^
s1Q*He {
}-ftyl7 printf("\nTerminateProcess failed:%d",GetLastError());
`jzTmt __leave;
r;>*_Oc7g }
RMd[Yr2e IsKilled=TRUE;
Mzsfo;kk+ }
XS`M-{f` __finally
jZh';M8" {
hy}8Aji& if(hProcessToken!=NULL) CloseHandle(hProcessToken);
&n6$rBr% if(hProcess!=NULL) CloseHandle(hProcess);
*F
?8c }
K)qF+Vb^j return(IsKilled);
I"Ms-zs }
8aO~/i:(. //////////////////////////////////////////////////////////////////////////////////////////////
8#(Q_ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
=:D aS`~V /*********************************************************************************************
/J04^6 ModulesKill.c
!O-C,uSm Create:2001/4/28
m-H-6`] Modify:2001/6/23
Vl%^H[] Author:ey4s
?47@o1 Http://www.ey4s.org >y.%xK PsKill ==>Local and Remote process killer for windows 2k
&8%e\W\K:/ **************************************************************************/
Vy*:ne #include "ps.h"
, #U.j #define EXE "killsrv.exe"
5O~HWBX. #define ServiceName "PSKILL"
}| J79s2M ox:[f9.5 #pragma comment(lib,"mpr.lib")
6b%WHLUeT //////////////////////////////////////////////////////////////////////////
:!5IW?2 //定义全局变量
rFaF
Bd SERVICE_STATUS ssStatus;
)t$,e2FY SC_HANDLE hSCManager=NULL,hSCService=NULL;
p!sWYui BOOL bKilled=FALSE;
q-]`CW]n char szTarget[52]=;
Nc+,&R13m //////////////////////////////////////////////////////////////////////////
Y2d;E.DH8 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
S:TgFt0 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
'd+NVj{C BOOL WaitServiceStop();//等待服务停止函数
S/Fkw4% BOOL RemoveService();//删除服务函数
OR}c)|1 /////////////////////////////////////////////////////////////////////////
y]J89
int main(DWORD dwArgc,LPTSTR *lpszArgv)
]l'Y'z,} {
Lb;zBmwB BOOL bRet=FALSE,bFile=FALSE;
H2
$GIY char tmp[52]=,RemoteFilePath[128]=,
3dht!7/ szUser[52]=,szPass[52]=;
Z9575CI< HANDLE hFile=NULL;
X@k`3X DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
k]5Bykf`Ky jy giG&H //杀本地进程
Row)hx8 if(dwArgc==2)
0A,]$Fzt {
Hir Fl if(KillPS(atoi(lpszArgv[1])))
R2(3>`FJ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
9cEv&3 else
aYuD>rD printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
TF 'U lpszArgv[1],GetLastError());
TjHwjRa return 0;
OCZ[D{i9@ }
|N}P(GF //用户输入错误
5B&;uY else if(dwArgc!=5)
(9<guv {
v^ zu:Z* printf("\nPSKILL ==>Local and Remote Process Killer"
/ODXV`3QYI "\nPower by ey4s"
.&9 i "\nhttp://www.ey4s.org 2001/6/23"
wjh=Q "\n\nUsage:%s <==Killed Local Process"
z I+\Oll#Q "\n %s <==Killed Remote Process\n",
td4[[ / lpszArgv[0],lpszArgv[0]);
u%]shm return 1;
!-N6l6N }
]J:1P`k. //杀远程机器进程
~=KJzOS,S strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
={5#fgK> strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
$ &P>r strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
'=1KVE^Fk $<^u^q37u //将在目标机器上创建的exe文件的路径
/v/C<] sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
GrTulN? __try
=e gW {
c%[#~;E //与目标建立IPC连接
#
eCjn if(!ConnIPC(szTarget,szUser,szPass))
n Ps7c % {
oyNSh8c7c printf("\nConnect to %s failed:%d",szTarget,GetLastError());
/DqLrA return 1;
^=:9)CNw( }
`;l?12|X printf("\nConnect to %s success!",szTarget);
^S)cjH`P //在目标机器上创建exe文件
TYlbU< "Ae@lINn[y hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
rp6q?3=g E,
&BtK($ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
6gT5O]]#o if(hFile==INVALID_HANDLE_VALUE)
?Q-h n:F) {
Hewd4k printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
m!W3Cwz\& __leave;
OKi\zS }
?UK|>9y}Z //写文件内容
]D@0| while(dwSize>dwIndex)
fx@j?*Qb {
&f7fK|} <L{(Mj%Z if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
bu=?N {
6m VuyI printf("\nWrite file %s
K]U;?h&CZc failed:%d",RemoteFilePath,GetLastError());
quvanxV-L __leave;
kKPi:G52F }
&AlJ "N| dwIndex+=dwWrite;
?%VI{[y#> }
52.>+GC //关闭文件句柄
}?&k a$rI CloseHandle(hFile);
fM #7 y [ bFile=TRUE;
[kqYfY?K //安装服务
3SSm5{197 if(InstallService(dwArgc,lpszArgv))
M:P0m6ie {
'{[5M!B //等待服务结束
$5v0m#[^ if(WaitServiceStop())
.<z!3O&L {
}hYZ"
A~ //printf("\nService was stoped!");
McoK@q; }
{CR 5K9 else
uZZU{U9h {
9}c8Xt^&