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。
A[QUFk( OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
{+~}iF<% <1>与远程系统建立IPC连接
s=0z%~H
<2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
M0[7>N_ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
|sd0fTK <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
94bmKV_ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
N"d
M+ <6>服务启动后,killsrv.exe运行,杀掉进程
-a:+ h\K <7>清场
o HqBNTyH 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
EA.4m3 /***********************************************************************
LE^kN<qMK Module:Killsrv.c
:o$k(X7a Date:2001/4/27
eSvS<\p Author:ey4s
b77Iw%x7 Http://www.ey4s.org &NbhQY`k ***********************************************************************/
GSzb #include
7:7i}`O #include
bup)cX^ #include "function.c"
Db"jzMW. #define ServiceName "PSKILL"
_;baZ- O iRhp( SERVICE_STATUS_HANDLE ssh;
f9FJ:? SERVICE_STATUS ss;
&'{6_-kh /////////////////////////////////////////////////////////////////////////
=6FA(R|QU void ServiceStopped(void)
z~b5K\/1B {
jWHv9XtW ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
C3EQzr` ss.dwCurrentState=SERVICE_STOPPED;
ktlI(#\% ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
N y_d ss.dwWin32ExitCode=NO_ERROR;
&h1.9AO ss.dwCheckPoint=0;
cMxuG'{=. ss.dwWaitHint=0;
OwhMtYq SetServiceStatus(ssh,&ss);
R42+^'af return;
pVgzUu7 }
;a@%FWc /////////////////////////////////////////////////////////////////////////
d/I,` void ServicePaused(void)
aLZza"W {
uE {r09^q\ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
~qFuS933 ss.dwCurrentState=SERVICE_PAUSED;
gaFOm9y.e ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
?N*m2rv ss.dwWin32ExitCode=NO_ERROR;
E=
3Ui ss.dwCheckPoint=0;
-/ 5" Py ss.dwWaitHint=0;
l":\@rm` SetServiceStatus(ssh,&ss);
M<h2+0(il return;
fTb&k;'LR< }
z%ZAN- void ServiceRunning(void)
"+SnHpNx {
[D/q
ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
`M0m`Up ss.dwCurrentState=SERVICE_RUNNING;
?` ?HqR0 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
H@ab]& ss.dwWin32ExitCode=NO_ERROR;
p0c*)_a* ss.dwCheckPoint=0;
sw<GlF" ss.dwWaitHint=0;
R_?Q`+X SetServiceStatus(ssh,&ss);
]w7wwU^^*U return;
R@ksYC3 F }
l/WQqT /////////////////////////////////////////////////////////////////////////
u7Z-kZ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
3zC<k2B {
p'SclH[ switch(Opcode)
b;kgP`%% {
?@n,
9! case SERVICE_CONTROL_STOP://停止Service
=3K}]3f ServiceStopped();
ScN'|Ia.- break;
&lnr?y^ case SERVICE_CONTROL_INTERROGATE:
lX g.` SetServiceStatus(ssh,&ss);
MaMP7O|W break;
862e }
-zn$h$N4 return;
*@;Pns]L- }
lVb{bO9-O //////////////////////////////////////////////////////////////////////////////
[S Jx\Os //杀进程成功设置服务状态为SERVICE_STOPPED
&E&_Z6# //失败设置服务状态为SERVICE_PAUSED
-jXO9Q //
Epo/}y void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
mKTE%lsH {
3MqyHOOv ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
H3Ws$vl9n if(!ssh)
yRd [$p {
\0)v5u ServicePaused();
r Uau?? return;
utSW> }
=}F}XSvXH ServiceRunning();
d8N{sT Sleep(100);
,,}&
Q%5 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
l~mC$>f //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
eMHBY6<~= if(KillPS(atoi(lpszArgv[5])))
$U*b;'o ServiceStopped();
(U`<r-n\n else
j Wpm"C
ServicePaused();
Vt4KG+zm return;
G;jX@XqZ }
;T-`~ /////////////////////////////////////////////////////////////////////////////
i#4}xvi void main(DWORD dwArgc,LPTSTR *lpszArgv)
l% \p {
$I*<gn9 SERVICE_TABLE_ENTRY ste[2];
w20)~&LE- ste[0].lpServiceName=ServiceName;
1n3XB+* ste[0].lpServiceProc=ServiceMain;
g"}j ste[1].lpServiceName=NULL;
9-ei#|Vnt[ ste[1].lpServiceProc=NULL;
V*d@@%u** StartServiceCtrlDispatcher(ste);
nO#a|~-)) return;
|K.J@zW }
5MX7V4ist /////////////////////////////////////////////////////////////////////////////
s:/Wz39SY3 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
#[odjSb 下:
$j(laD#AR /***********************************************************************
}.L:(z^L,Y Module:function.c
8x~'fzf;Sq Date:2001/4/28
td!YwN* Author:ey4s
b )(si/]\ Http://www.ey4s.org u.yjk/jF ***********************************************************************/
eeVzOq( #include
TxA%{0 ////////////////////////////////////////////////////////////////////////////
;{j@ia BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
RKb{QAK!v {
->9waXRDz) TOKEN_PRIVILEGES tp;
R+&{lc LUID luid;
;owU]Xk%8K TdKo"H*C if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
qsG}A {
yd=NafPM printf("\nLookupPrivilegeValue error:%d", GetLastError() );
;;>G}pG return FALSE;
PP{s&( }
n_9Wrx328 tp.PrivilegeCount = 1;
5>\Lk>rI tp.Privileges[0].Luid = luid;
!Bu=?gf if (bEnablePrivilege)
O-uf^S4 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
#&sw%CD else
=Sjf-o1V tp.Privileges[0].Attributes = 0;
Xh?J"kjof // Enable the privilege or disable all privileges.
N"[r_! AdjustTokenPrivileges(
MwE^.6xl{ hToken,
,>3b|-C- FALSE,
?QRoSQ6 &tp,
XjFaP { sizeof(TOKEN_PRIVILEGES),
4(mRLr%l@` (PTOKEN_PRIVILEGES) NULL,
J;5G]$s (PDWORD) NULL);
],|; // Call GetLastError to determine whether the function succeeded.
f\u5=!kjN if (GetLastError() != ERROR_SUCCESS)
9i`MUE1Sh {
!*!i&0QC~R printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
6^QSV@N| return FALSE;
M<K}H8? }
:G4)edwe return TRUE;
2{A/Fbk }
l\6.f_ ////////////////////////////////////////////////////////////////////////////
dTVh{~/ BOOL KillPS(DWORD id)
R^VmNj {
tSX,*cz HANDLE hProcess=NULL,hProcessToken=NULL;
Z}`A'#! BOOL IsKilled=FALSE,bRet=FALSE;
rCsH
0:l8P __try
{fxytiH8 {
:F.eyA|#@G 82P#C4c+d if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
$_+.D`vx` {
)Im3';qt printf("\nOpen Current Process Token failed:%d",GetLastError());
_edT+r>+ __leave;
2#_i_j }
7Um3myXU //printf("\nOpen Current Process Token ok!");
T]lVwj if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
]L;X Aj? {
+5N09$f;R __leave;
1Gp|_8 }
5e
>qBw8t printf("\nSetPrivilege ok!");
rPx:o}&< oTb4 T= if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
f-5}`)`.+ {
yv(\5)XF printf("\nOpen Process %d failed:%d",id,GetLastError());
'/GZ/$a_l __leave;
0czEA }
BDcA_=^R& //printf("\nOpen Process %d ok!",id);
+i(;@%
kv if(!TerminateProcess(hProcess,1))
+kM*BCPYE {
OE(!^"5?[ printf("\nTerminateProcess failed:%d",GetLastError());
8z`Ne(h; __leave;
df8aM<&m3 }
vq8&IL IsKilled=TRUE;
X8~gLdv8 }
I,7n-G_' __finally
PS/00F/Ak {
FQBAt0 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
~+&Z4CYb if(hProcess!=NULL) CloseHandle(hProcess);
n_S)9C'= }
pP*`b<| return(IsKilled);
%0lJ(hm }
%-O[%Dy //////////////////////////////////////////////////////////////////////////////////////////////
psM&r OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
JU!vVA_ /*********************************************************************************************
r!)jxIL\ ModulesKill.c
V~4yS4 Create:2001/4/28
*GC9o/ Modify:2001/6/23
.ZVo0 Author:ey4s
^ Iy'<J Http://www.ey4s.org a3B^RbDP&8 PsKill ==>Local and Remote process killer for windows 2k
&-(p~[| **************************************************************************/
9 UcSQ"D #include "ps.h"
#TD0)C/ #define EXE "killsrv.exe"
Pi'[d7o #define ServiceName "PSKILL"
Sz0CP1WB (I ~r~5^ #pragma comment(lib,"mpr.lib")
2|}KBny //////////////////////////////////////////////////////////////////////////
7rjS. //定义全局变量
VN
>X/ SERVICE_STATUS ssStatus;
P7y.:%DGD0 SC_HANDLE hSCManager=NULL,hSCService=NULL;
<lf6gb BOOL bKilled=FALSE;
\Z/#s;c,4 char szTarget[52]=;
i1-wzI
//////////////////////////////////////////////////////////////////////////
C^9bur/ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
la*c/* BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
(nt= BOOL WaitServiceStop();//等待服务停止函数
q|xic>. BOOL RemoveService();//删除服务函数
)kt,E}609 /////////////////////////////////////////////////////////////////////////
`dm}|$X| int main(DWORD dwArgc,LPTSTR *lpszArgv)
$?dutbE {
KO&oT#S BOOL bRet=FALSE,bFile=FALSE;
{PQ!o^7y char tmp[52]=,RemoteFilePath[128]=,
DS>qth szUser[52]=,szPass[52]=;
">'`{mXew HANDLE hFile=NULL;
=(]||1. DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
{GKq Ou rEY5,'?YHv //杀本地进程
lPOcX'3\ if(dwArgc==2)
=7 ${bp! {
p'YNj3&u if(KillPS(atoi(lpszArgv[1])))
zH1:kko printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Q2RO&dL
9 else
ca?;!~%zA printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
O
K2|/y lpszArgv[1],GetLastError());
+EP=uV9t return 0;
>
@n?W" }
ZE"Z_E;r //用户输入错误
%#-'|~ else if(dwArgc!=5)
6),VN>j {
"&N1$$ printf("\nPSKILL ==>Local and Remote Process Killer"
"|%'/p "\nPower by ey4s"
`'}c-
Q "\nhttp://www.ey4s.org 2001/6/23"
+,A7XBn "\n\nUsage:%s <==Killed Local Process"
~4C:2 "\n %s <==Killed Remote Process\n",
bT#re lpszArgv[0],lpszArgv[0]);
X8| 0RU@f return 1;
:Tn1]a)f6 }
c(!8L\69V} //杀远程机器进程
EP}NT)z,{ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
F<|x_6a\ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
'qnnZE strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
-40OS=wpA -8D$ [@y( //将在目标机器上创建的exe文件的路径
z! /
MBM sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
iVqa0Gl+} __try
Yn1CU {
]Q*eCt;l"K //与目标建立IPC连接
=~F.7wq*^ if(!ConnIPC(szTarget,szUser,szPass))
DTp|he {
nk-V{'] printf("\nConnect to %s failed:%d",szTarget,GetLastError());
[SA$d`B/ return 1;
\<4Hp_2? }
fk printf("\nConnect to %s success!",szTarget);
e+7x &-+ //在目标机器上创建exe文件
{Wh7>*p{3 7(1UXtT hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Th\t6K~ E,
b.sRB1 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
eK'ztqQ if(hFile==INVALID_HANDLE_VALUE)
m-)yQM8 {
*w_f-YoXp printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
O a#m}b __leave;
Mg}8 3kS }
Nw|m"VLb //写文件内容
4>$weu^ while(dwSize>dwIndex)
M}*#{UV2 {
K_t!P U2)y fhI if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
`1qM Sq {
-|&5aH] printf("\nWrite file %s
~lB:xVzn failed:%d",RemoteFilePath,GetLastError());
R6/vhze4L2 __leave;
'q9='TOk }
990sE
t? dwIndex+=dwWrite;
X'KkIo
: }
9;k!dM //关闭文件句柄
XVNJ3/ CloseHandle(hFile);
GO=3<Q{; bFile=TRUE;
)OgQ&,# //安装服务
D?<R5zp if(InstallService(dwArgc,lpszArgv))
c
DO<z {
dLIZ)16& //等待服务结束
c<n <!!vi if(WaitServiceStop())
-L)b;0% {
-)2sR>`A% //printf("\nService was stoped!");
:KL5A1{ }
1xF<c< else
Z$&