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。
qVRO"/R OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
X.AOp <1>与远程系统建立IPC连接
sBXk$ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
~Ro:mH:w <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
UH^wyKbM <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
+#I~#CV! <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
TnU$L3k <6>服务启动后,killsrv.exe运行,杀掉进程
^)IL<S&h <7>清场
; ?lM|kK 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
F",abp! /***********************************************************************
7fzyD Module:Killsrv.c
oJ@PJvmR&a Date:2001/4/27
9]F&Fz/G Author:ey4s
8Y0<lfG Http://www.ey4s.org [ 6o:v8&3 ***********************************************************************/
q\HBAry #include
=+-.5M #include
"A1yqK #include "function.c"
zT-"kK #define ServiceName "PSKILL"
Okg8Ve2 Y6Qb_X: SERVICE_STATUS_HANDLE ssh;
>(6\ C SERVICE_STATUS ss;
rnhf(K.{3 /////////////////////////////////////////////////////////////////////////
75}u
D void ServiceStopped(void)
e/Oj T {
kt3#_d^El ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
KP7RrgOan& ss.dwCurrentState=SERVICE_STOPPED;
?ZV0
ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
^oB1 &G ss.dwWin32ExitCode=NO_ERROR;
8v=47G ss.dwCheckPoint=0;
IC-xCzR ss.dwWaitHint=0;
f>+}U;)EF SetServiceStatus(ssh,&ss);
wG?kcfu return;
geN%rD }
@?=)}2=|?i /////////////////////////////////////////////////////////////////////////
R"t$N@ZFb void ServicePaused(void)
U1|4vd9 {
c^WBB$v ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
'*ICGKoT ss.dwCurrentState=SERVICE_PAUSED;
f-nC+ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
tWOze, N ss.dwWin32ExitCode=NO_ERROR;
'C>S yU ss.dwCheckPoint=0;
i8) :0 ss.dwWaitHint=0;
Y*}>tD; SetServiceStatus(ssh,&ss);
j6HbJ#] return;
2y7q
x1$C }
446hr zW>@ void ServiceRunning(void)
8=o(nFJw {
*Z2Q]?:{
i ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
nkj'AH"2 ss.dwCurrentState=SERVICE_RUNNING;
842+KLS ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
2b,TkG8K ss.dwWin32ExitCode=NO_ERROR;
@Be:+01z ss.dwCheckPoint=0;
aw"%B-N\ ss.dwWaitHint=0;
/aa;M*Qp SetServiceStatus(ssh,&ss);
q.QYn.CBZz return;
hPpXB:(-0 }
;k%sKVP /////////////////////////////////////////////////////////////////////////
HPdwx
V void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
y8S6ZtA}2 {
GXK?7S0H switch(Opcode)
&&S4x {
eRy'N|' case SERVICE_CONTROL_STOP://停止Service
GWZXRUc ServiceStopped();
t8N9/DZ}Q break;
1p<?S}zg@ case SERVICE_CONTROL_INTERROGATE:
:tG".z SetServiceStatus(ssh,&ss);
K y2xWd8 break;
gq1Y]t|4F }
1WN93SQ= return;
L Hz<=]?@ }
W}_}<rlF //////////////////////////////////////////////////////////////////////////////
HU+H0S~g //杀进程成功设置服务状态为SERVICE_STOPPED
_rJSkZO //失败设置服务状态为SERVICE_PAUSED
Z_~DTO2Qg //
0i`Zy! void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
+5mkMZ {
CscJy0dB ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
qm5pEort if(!ssh)
1O7ss_E {
#R~NR8(z ServicePaused();
k$_]b0D{4 return;
Z|dZc wo }
WA5kX SdIb ServiceRunning();
es FL<T Sleep(100);
[eP]8G\
W //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
I_*>EA //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
{o<p{q if(KillPS(atoi(lpszArgv[5])))
eSBf;lr= ServiceStopped();
s?#lhI else
X(z-?6N4 ServicePaused();
L/LNX{| return;
l>?vjy65 }
DkKD~ /////////////////////////////////////////////////////////////////////////////
/?xn void main(DWORD dwArgc,LPTSTR *lpszArgv)
{*$J&{6V {
HKw:fGt/o^ SERVICE_TABLE_ENTRY ste[2];
F|Ihq^q ste[0].lpServiceName=ServiceName;
HZ=yfJs nc ste[0].lpServiceProc=ServiceMain;
B8Zd#.6] ste[1].lpServiceName=NULL;
*bSG48W(" ste[1].lpServiceProc=NULL;
~At.V+ StartServiceCtrlDispatcher(ste);
ppP?1Il`kb return;
Bcon4 }
6l7a9IJ /////////////////////////////////////////////////////////////////////////////
bLF0MVLM 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
v[3sg2. 下:
i}"JCqo2 /***********************************************************************
D} 3fx[ Module:function.c
Vp^sER Date:2001/4/28
n7uD(cL Author:ey4s
g(H3arb& Http://www.ey4s.org Sd6^%YB ***********************************************************************/
[KJL%u|8/ #include
/n:fxdhe ////////////////////////////////////////////////////////////////////////////
rNC3h"i\ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
ra2q. H {
)ix E TOKEN_PRIVILEGES tp;
)d`$2D&iY LUID luid;
!P3|T\|]+ iH0c1}<k$ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
R7E"7"M10 {
RR=l&uT printf("\nLookupPrivilegeValue error:%d", GetLastError() );
}!Lr!eALr return FALSE;
h!~yYNQ" }
lM,:c.R tp.PrivilegeCount = 1;
x&Rp
m<4 tp.Privileges[0].Luid = luid;
N&.p\T&t if (bEnablePrivilege)
;f~'7RKy!G tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
%TgM-F,8 else
iW~f tp.Privileges[0].Attributes = 0;
vy?YA- // Enable the privilege or disable all privileges.
cA2]VL.r>C AdjustTokenPrivileges(
#
t
Ki6u hToken,
,_zt?o\ FALSE,
CNYchE,} &tp,
uu.Nq*3 sizeof(TOKEN_PRIVILEGES),
B ;$8< (PTOKEN_PRIVILEGES) NULL,
&,7(Wab (PDWORD) NULL);
m
0PF"( // Call GetLastError to determine whether the function succeeded.
/[5up if (GetLastError() != ERROR_SUCCESS)
^umAfk5r?H {
,u2<()`8D printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
p2^OQK return FALSE;
) &-E@% \ }
'WCTjTob/ return TRUE;
GXVGU-br }
>.4Sx~VH2 ////////////////////////////////////////////////////////////////////////////
{piS3xBi BOOL KillPS(DWORD id)
Z4' v {
E}2[Pb)e HANDLE hProcess=NULL,hProcessToken=NULL;
h+(s/o?\ BOOL IsKilled=FALSE,bRet=FALSE;
Xii#Qtd. __try
IA` {
b@hoH)<9E DI[Ee? if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
p<34}iZ {
Z9I./s9 printf("\nOpen Current Process Token failed:%d",GetLastError());
~O$]y5 __leave;
kw'D2692 }
do7{ //printf("\nOpen Current Process Token ok!");
xE_[=7= if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
_Tz!~z {
8w'8n __leave;
oZtz"B }
sNVD"M, printf("\nSetPrivilege ok!");
h+@t8Q;gGw WcFZRy-erc if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
!
+ 7ve[z {
6I0MJpLW printf("\nOpen Process %d failed:%d",id,GetLastError());
g*M3;G
__leave;
O~VUViS6$ }
t:7jlD!d //printf("\nOpen Process %d ok!",id);
k$!&3Rh if(!TerminateProcess(hProcess,1))
owhht98y( {
Rim}DfO/ printf("\nTerminateProcess failed:%d",GetLastError());
gEu\X|7' __leave;
\O~7X0 <W }
6}$cDk`dz IsKilled=TRUE;
' M!_k+e }
n3\vq3^? __finally
vcHDFi {
WAbhBA if(hProcessToken!=NULL) CloseHandle(hProcessToken);
l1S1CS if(hProcess!=NULL) CloseHandle(hProcess);
[-ecKPx }
]\lw^.% return(IsKilled);
o++Hdvai }
C7PiuL? //////////////////////////////////////////////////////////////////////////////////////////////
l ,.;dw 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:
XjbK!. /*********************************************************************************************
PYe>`X? ModulesKill.c
f9$q.a* Create:2001/4/28
#Uu"olX7 Modify:2001/6/23
w=$_',5#Z Author:ey4s
iVcBD0 q) Http://www.ey4s.org *#_jTwQe PsKill ==>Local and Remote process killer for windows 2k
S0 `* **************************************************************************/
K]l)z* I #include "ps.h"
plq\D.C #define EXE "killsrv.exe"
14R))Dz" #define ServiceName "PSKILL"
=Sq7U^(> y8@!2O4 #pragma comment(lib,"mpr.lib")
`UR.Rn/x //////////////////////////////////////////////////////////////////////////
cg5DyQ( //定义全局变量
#z.x3D@^r6 SERVICE_STATUS ssStatus;
5{> cfN\q SC_HANDLE hSCManager=NULL,hSCService=NULL;
MgekLP)& BOOL bKilled=FALSE;
T$e_ao| char szTarget[52]=;
Fwr,e;Z //////////////////////////////////////////////////////////////////////////
P$bo8* BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
EbQ} w"{ BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
5tL6R3 BOOL WaitServiceStop();//等待服务停止函数
*QX$Mo^E BOOL RemoveService();//删除服务函数
8
_J:Yg /////////////////////////////////////////////////////////////////////////
JY,+eD int main(DWORD dwArgc,LPTSTR *lpszArgv)
4/4IZfznX {
xjYFTb}! BOOL bRet=FALSE,bFile=FALSE;
;z68`P- char tmp[52]=,RemoteFilePath[128]=,
<#UvLll szUser[52]=,szPass[52]=;
`t
-3(>P HANDLE hFile=NULL;
7o<RvM DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
;/.Z YTD z,tax`O //杀本地进程
_!CH if(dwArgc==2)
-]e@cevy {
a/ZfPl0Ns[ if(KillPS(atoi(lpszArgv[1])))
'};Xb|msU printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
,x/j&S9! else
-vyC,A printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
I
zT%Kq lpszArgv[1],GetLastError());
jcj)9;n=! return 0;
Q%a4g }
~VKw%WK //用户输入错误
`PL!>oa(8 else if(dwArgc!=5)
QS_u<B {
KR*/ye G!E printf("\nPSKILL ==>Local and Remote Process Killer"
"O4Z).5q3 "\nPower by ey4s"
3-05y!vbcE "\nhttp://www.ey4s.org 2001/6/23"
+vP1DXtj( "\n\nUsage:%s <==Killed Local Process"
w%ForDB>P "\n %s <==Killed Remote Process\n",
epnDvz\ lpszArgv[0],lpszArgv[0]);
O
tr@jgw return 1;
]WG\+1x9 }
<Wd$6 //杀远程机器进程
4ZIXG,@mZJ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
&}]Wbk4:
strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
)JPcSy* strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
3Wiu`A K"#}R<k8:A //将在目标机器上创建的exe文件的路径
Ii)TCSt9U? sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
wv<"W@& 9 __try
XxIU B(.QI {
7Q`4*H6 //与目标建立IPC连接
wcO+P7g if(!ConnIPC(szTarget,szUser,szPass))
AXyuXB {
SG~R!kN}Q printf("\nConnect to %s failed:%d",szTarget,GetLastError());
fKfi return 1;
=<g\B?s] }
C}!|K0t? printf("\nConnect to %s success!",szTarget);
Jd |hwvwFe //在目标机器上创建exe文件
WIg"m[aIs Xf0pQ]8\ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
4&\m!s
E,
L{42?d NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
6V)# Yf if(hFile==INVALID_HANDLE_VALUE)
l$FHL2?Cp {
4l|Am3vzX printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
mp#5Vc __leave;
,=mn* }
[\!S-: //写文件内容
{E9Y)Z9 while(dwSize>dwIndex)
/<})+=>6f {
Zy'bX* s| 0zd1:*KR, if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
i@2?5U>h {
vF_?1|*| printf("\nWrite file %s
0iYe>u failed:%d",RemoteFilePath,GetLastError());
' o5,P/6 __leave;
n8?gZ` W }
M! s&<Bi dwIndex+=dwWrite;
,Zdc }
Ei#"r\q j_ //关闭文件句柄
m,pDjf CloseHandle(hFile);
$oNkE bFile=TRUE;
!v^D
j'] //安装服务
dLAElTg if(InstallService(dwArgc,lpszArgv))
x*YJ:t {
;{>z\6N //等待服务结束
gAE}3// if(WaitServiceStop())
eC1cE {
X\ h]N //printf("\nService was stoped!");
p5*i
d5 }
39OZZaWL else
Bp}<H<@ {
"8-]6p3u //printf("\nService can't be stoped.Try to delete it.");
43/|[ }
x>t:&Y M Sleep(500);
XpM#0hm //删除服务
+%FGti$[ RemoveService();
lVqvS/_k$ }
sl)_HA7G }
0n1y$*I4 __finally
uy B
?-Y+ {
sI~{it# //删除留下的文件
HMBxj($eR if(bFile) DeleteFile(RemoteFilePath);
r+) A)a, //如果文件句柄没有关闭,关闭之~
13B[mp4 if(hFile!=NULL) CloseHandle(hFile);
iKDGYM //Close Service handle
Q
i? if(hSCService!=NULL) CloseServiceHandle(hSCService);
%N!Y}$y //Close the Service Control Manager handle
iJq}tIk#2' if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
#fa~^]EM] //断开ipc连接
gP<l wsprintf(tmp,"\\%s\ipc$",szTarget);
QtRKmry{ WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
TIS}'c'C if(bKilled)
w{0UA6 + printf("\nProcess %s on %s have been
;VvqKyUh7` killed!\n",lpszArgv[4],lpszArgv[1]);
#j@Su )+ else
0|d%@ printf("\nProcess %s on %s can't be
eX}uZR killed!\n",lpszArgv[4],lpszArgv[1]);
VDscZt)y8 }
C[~b6UP return 0;
gvz&ppcG }
h8n J$jg //////////////////////////////////////////////////////////////////////////
?+51 B- BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
YncY_Hu {
vK|dP3 NETRESOURCE nr;
>V NMQ char RN[50]="\\";
xGz$M@f #.) qQ8*( strcat(RN,RemoteName);
/\2 s%b* strcat(RN,"\ipc$");
Nn%{Ka Jln dypE nr.dwType=RESOURCETYPE_ANY;
oZ!rK/qoA nr.lpLocalName=NULL;
4j/8Otn nr.lpRemoteName=RN;
[Q)lJTs nr.lpProvider=NULL;
Byon2| nf7 OrHnz981K if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
! k&< return TRUE;
xAsbP$J: else
Ww@Rewo return FALSE;
zX(p\NU }
X1$0'usS /////////////////////////////////////////////////////////////////////////
L7 qim.J BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
AWGeK-^ {
!30BZM^ BOOL bRet=FALSE;
1 [dza5 __try
(]rtBeT {
%<K`d //Open Service Control Manager on Local or Remote machine
c^I_~OwaE hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
7Ij FSN> if(hSCManager==NULL)
EpS"NQEe {
J}lBKP:-* printf("\nOpen Service Control Manage failed:%d",GetLastError());
Z5\u9E"] __leave;
Zs)HzOP)9 }
^cd+W? //printf("\nOpen Service Control Manage ok!");
4K:p //Create Service
@TsOc0?- hSCService=CreateService(hSCManager,// handle to SCM database
}F**!%4d ServiceName,// name of service to start
_aq3G9C_ ServiceName,// display name
Q-(twh SERVICE_ALL_ACCESS,// type of access to service
->:G+< SERVICE_WIN32_OWN_PROCESS,// type of service
$--W,ov5j SERVICE_AUTO_START,// when to start service
Hb IRE SERVICE_ERROR_IGNORE,// severity of service
K6_{AuL}4 failure
)9J&M