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。
vHPp$lql OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
(1(dL_? <1>与远程系统建立IPC连接
PN n{Rt <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
lclSzC9 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
-HU5E>xG <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
D
f H>UA <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
0x\bDWZ_ <6>服务启动后,killsrv.exe运行,杀掉进程
?_9A`LC*
<7>清场
Ul@yXtj 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
-%lA=pS{Fq /***********************************************************************
%P2GQS-N Module:Killsrv.c
g9`z]qGWS: Date:2001/4/27
/8i3 I5* Author:ey4s
E1'HdOh&z Http://www.ey4s.org :!\?yj{{ ***********************************************************************/
#,1Kum
bG3 #include
_Jc[`2Uv_c #include
Oozt&* F #include "function.c"
ShdE!q7 #define ServiceName "PSKILL"
?[}r& f f\}fUg2 SERVICE_STATUS_HANDLE ssh;
P"LbWZ6Nj SERVICE_STATUS ss;
a'zf8id /////////////////////////////////////////////////////////////////////////
Fcc\hV; void ServiceStopped(void)
ruG5~dm> {
mjDaus59 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
ua%$r[ ss.dwCurrentState=SERVICE_STOPPED;
0Z{f!MOh ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
#MbkU]) ss.dwWin32ExitCode=NO_ERROR;
zU;%s<(p ss.dwCheckPoint=0;
N|OI~boV% ss.dwWaitHint=0;
oz(V a! SetServiceStatus(ssh,&ss);
HrH-e=j return;
RCSG.*% %I }
J|-X?V;ZW /////////////////////////////////////////////////////////////////////////
2 HNKq< void ServicePaused(void)
B zmmE2~* {
a7+w)]r ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
qU(,q/l ss.dwCurrentState=SERVICE_PAUSED;
wJs#rkW ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
C:+-T+m[ ss.dwWin32ExitCode=NO_ERROR;
~)XyrKw ss.dwCheckPoint=0;
xx`xDD ss.dwWaitHint=0;
7JvBzD42 SetServiceStatus(ssh,&ss);
9?5'>WO return;
uHj"nd13 }
W_:3Sj l' void ServiceRunning(void)
+{(f@,&~{ {
q#RUL!WF7U ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
z']TRjDbT ss.dwCurrentState=SERVICE_RUNNING;
z>rl7&[@ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
-?_#Yttu ss.dwWin32ExitCode=NO_ERROR;
9Z.Xo kg ss.dwCheckPoint=0;
@]v}&j7 ss.dwWaitHint=0;
wldv^n hM SetServiceStatus(ssh,&ss);
3
q1LIM return;
rucgav }
e
:(7$jo /////////////////////////////////////////////////////////////////////////
}HB>Zb5 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
P%VEJ5,]b {
h$p]M^Z7 switch(Opcode)
a8D7n Ea {
(}Q(Ux@X case SERVICE_CONTROL_STOP://停止Service
BvQMq5& ServiceStopped();
%b8ig1 break;
CD}::7$ case SERVICE_CONTROL_INTERROGATE:
0 &M~lJ SetServiceStatus(ssh,&ss);
[{iPosQWj break;
Blw AD }
uX82q.u_y return;
PIk2mX/D_6 }
bSa%?laS //////////////////////////////////////////////////////////////////////////////
~e|RVY, //杀进程成功设置服务状态为SERVICE_STOPPED
E}?n^Zf //失败设置服务状态为SERVICE_PAUSED
0R2KI,WI //
( *~ '#k void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
$('"0 @fg {
JRti2Mu ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
.r ,wc*SF if(!ssh)
|7Dc7p"D {
8jBrD1 ServicePaused();
EM2=g9y return;
n["G
ry }
6d7E@}< ServiceRunning();
]A?(OA Sleep(100);
xG_LEk( zD //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
^(+ X|t //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
+ d?p? v if(KillPS(atoi(lpszArgv[5])))
0P_=Oy"l- ServiceStopped();
_ *l+ze[a else
kAV4V;ydh ServicePaused();
hs;YMUA" return;
;AH8/M B9 }
Z;ze{Vb /////////////////////////////////////////////////////////////////////////////
CMhl* dH void main(DWORD dwArgc,LPTSTR *lpszArgv)
et`1#_o {
*x!j:/S`n SERVICE_TABLE_ENTRY ste[2];
14~#k%zO( ste[0].lpServiceName=ServiceName;
a!@(bb
z> ste[0].lpServiceProc=ServiceMain;
"xI70c{ ste[1].lpServiceName=NULL;
=67ab_V ste[1].lpServiceProc=NULL;
HfOaJ'+e< StartServiceCtrlDispatcher(ste);
iv!; gMco return;
<lkt'iT=Sz }
ge#0Q L0K /////////////////////////////////////////////////////////////////////////////
QbJE+m5 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
G1
K@Ir< 下:
c)j60y /***********************************************************************
u+;iR/ Module:function.c
%!\iII Date:2001/4/28
$x/VO\Z{- Author:ey4s
mI,a2wqi Http://www.ey4s.org Hg~8Td** ***********************************************************************/
01n7ua*XX #include
]\1H=g%Ou ////////////////////////////////////////////////////////////////////////////
{i<L<Y(3 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
^:^ {
lyS`X TOKEN_PRIVILEGES tp;
{_G_YL[ LUID luid;
s?JOGu t`-
[ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
'u#c_m!9 {
rDWwu' printf("\nLookupPrivilegeValue error:%d", GetLastError() );
.~a.mT return FALSE;
%oOSmt }
r,<p#4(>_ tp.PrivilegeCount = 1;
(j(hr'f tp.Privileges[0].Luid = luid;
_<6E>"*m if (bEnablePrivilege)
F Jp<J tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
"sSY[6Kp! else
yRivf.wH tp.Privileges[0].Attributes = 0;
]pWn%aGv*Y // Enable the privilege or disable all privileges.
3>v-,S+ AdjustTokenPrivileges(
#z61I"kU hToken,
%0zp`'3Y FALSE,
q%/\ &tp,
*&z!y/ sizeof(TOKEN_PRIVILEGES),
ro+8d (PTOKEN_PRIVILEGES) NULL,
^KJi|'B (PDWORD) NULL);
9T\\hM)k // Call GetLastError to determine whether the function succeeded.
98maQQWD if (GetLastError() != ERROR_SUCCESS)
%KPQ|^WE {
GMY[Gd printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
o]eG+i6g] return FALSE;
><C9PS@ }
dG!) < return TRUE;
\8)FVpS }
`k7X| ////////////////////////////////////////////////////////////////////////////
(+nnX7V?I BOOL KillPS(DWORD id)
Z kBWVZb {
:7*9W|e
HANDLE hProcess=NULL,hProcessToken=NULL;
JkEITuTth BOOL IsKilled=FALSE,bRet=FALSE;
f.c2AY~5[ __try
h%5keiA {
\D-X
_.v F9>"1 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
!ZM*)6^ {
?jsgBol printf("\nOpen Current Process Token failed:%d",GetLastError());
ba)hWtenH __leave;
ctPT=i60 }
{*"\68e //printf("\nOpen Current Process Token ok!");
~"Su2{"8B if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
M}`T-"qf {
bduHYs+rq __leave;
wjTW{Bg~G }
lm*C:e)4A printf("\nSetPrivilege ok!");
!/]z-z2> {]iM5? if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Rsx?8Y^5 {
Qnx?5R-}ZU printf("\nOpen Process %d failed:%d",id,GetLastError());
`,Fc271` __leave;
!FQS9SoO9 }
;)vs=DK:) //printf("\nOpen Process %d ok!",id);
4 g8t if(!TerminateProcess(hProcess,1))
?z3|^oU~d {
L% T%6p_ printf("\nTerminateProcess failed:%d",GetLastError());
sfp.> bMj __leave;
Bw.?Me)mf| }
?[.g~DK, IsKilled=TRUE;
^vZu[m }
!,~C __finally
Gb.}af#v {
5*O]`Q7 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
?{~. }Vn if(hProcess!=NULL) CloseHandle(hProcess);
`a8 &7J( }
XcKyrh;i return(IsKilled);
i x_a }
$gdGII&n //////////////////////////////////////////////////////////////////////////////////////////////
-AXMT3p=1 OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
k~]\kv= /*********************************************************************************************
sh%%U ModulesKill.c
.VkLF6 Create:2001/4/28
,%KMi-w]q, Modify:2001/6/23
CWkAc5 Author:ey4s
`nL^]i Http://www.ey4s.org !6_tdZ PsKill ==>Local and Remote process killer for windows 2k
6M bMAh5> **************************************************************************/
%sS7o3RW\ #include "ps.h"
(N{ #define EXE "killsrv.exe"
Ifj%" RI #define ServiceName "PSKILL"
h}%yG{'/M= 7T?7KS #pragma comment(lib,"mpr.lib")
eD N%p //////////////////////////////////////////////////////////////////////////
'x=y:0A //定义全局变量
HgRfMiC SERVICE_STATUS ssStatus;
yF1^/y!@ SC_HANDLE hSCManager=NULL,hSCService=NULL;
!Op18hP$ BOOL bKilled=FALSE;
tUs{/Je char szTarget[52]=;
"HbrYYRb'
//////////////////////////////////////////////////////////////////////////
q?oJ=]m" BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
9'!I6;M BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
"#`c\JuR] BOOL WaitServiceStop();//等待服务停止函数
po+1 BOOL RemoveService();//删除服务函数
_ 3>|1RB /////////////////////////////////////////////////////////////////////////
wq3 V&@. int main(DWORD dwArgc,LPTSTR *lpszArgv)
Alb5#tm:m {
qzu%Pp6If BOOL bRet=FALSE,bFile=FALSE;
?[q.1O char tmp[52]=,RemoteFilePath[128]=,
b"z9Dp v szUser[52]=,szPass[52]=;
XcQ'( HANDLE hFile=NULL;
0N3S@l#,\A DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
jz$83TB- HltURTbI //杀本地进程
%LZf=`:( if(dwArgc==2)
L QP4#7 {
PRF^<%mkI if(KillPS(atoi(lpszArgv[1])))
\JEI+A PY* printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
:#p!&Fi else
]6EXaf# printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
ppM^&6x^ lpszArgv[1],GetLastError());
?HaUT(\j return 0;
!Pb39[f }
[+v}V ,jb //用户输入错误
@y`7csbp else if(dwArgc!=5)
<ba+7CK]w {
'|N9xLm printf("\nPSKILL ==>Local and Remote Process Killer"
79Vp^GG7 "\nPower by ey4s"
kP}91kja "\nhttp://www.ey4s.org 2001/6/23"
ni x1_Wo; "\n\nUsage:%s <==Killed Local Process"
awa$o "\n %s <==Killed Remote Process\n",
ZN?UkFnE lpszArgv[0],lpszArgv[0]);
9}6^5f?| return 1;
u.sn"G-c }
1(z+*`"WB& //杀远程机器进程
c/E6}OWA strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
A PR%ZpG strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
/.aDQ> strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
h47l;`kD-# xN#. Pm~ //将在目标机器上创建的exe文件的路径
o$DJL11E sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
y(RK|r __try
1JoRP~mMxa {
URD<KIN> //与目标建立IPC连接
H A(e if(!ConnIPC(szTarget,szUser,szPass))
YEx76 {
pB;p\9A*q printf("\nConnect to %s failed:%d",szTarget,GetLastError());
T9+ ?A
l return 1;
3q.O^`y FU }
cTeEND) printf("\nConnect to %s success!",szTarget);
'
cl&S: //在目标机器上创建exe文件
bu#}`/\_ nEM>*;iE hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
}9xEA[@; E,
uFT&r| NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
{>cO&eiCt if(hFile==INVALID_HANDLE_VALUE)
WeTs va+ {
!:mo2zA printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
dviL5Eaj __leave;
Osdw\NNH~M }
98os4}r //写文件内容
Xo*=iD$Jys while(dwSize>dwIndex)
)vK
%LmP {
DT@6Q. YGObTIGJvf if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
!#n lWX:~ {
%Y` @>P' printf("\nWrite file %s
451r!U1Z failed:%d",RemoteFilePath,GetLastError());
qF(F<$B __leave;
|Y!#` }
1TKOvy_ dwIndex+=dwWrite;
h&Ehp }
XnQo0
R.PW //关闭文件句柄
}06
CloseHandle(hFile);
u><gmp& bFile=TRUE;
0=;jGh}|i //安装服务
_Va!Ky
=] if(InstallService(dwArgc,lpszArgv))
~n84x {
.Mw'P\GtM //等待服务结束
dm&