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。
e9Ul A OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
gR-Qj <1>与远程系统建立IPC连接
X#kjt)W <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
I~]Q55 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
u_6BHsU <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
IzGB <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
R<lNk< <6>服务启动后,killsrv.exe运行,杀掉进程
]zvVY:v <7>清场
+>!B(j\gx 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
4`UL1)A] /***********************************************************************
C>:/(O Module:Killsrv.c
T$8@2[ Date:2001/4/27
csdOIF Author:ey4s
u$%D9Z ^ Http://www.ey4s.org 3?*M{Y| ***********************************************************************/
s*)41\V0 #include
xf^<ec #include
)p!*c, #include "function.c"
a:-)+sgHw #define ServiceName "PSKILL"
aZawBU.: 7Js>!KR SERVICE_STATUS_HANDLE ssh;
e\A(#l@g SERVICE_STATUS ss;
I>kiah* /////////////////////////////////////////////////////////////////////////
hM36QOdm void ServiceStopped(void)
`z?KL(rI {
i (%tHa37 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
gaw4NZd)0 ss.dwCurrentState=SERVICE_STOPPED;
{KU. ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
r{q}f) ss.dwWin32ExitCode=NO_ERROR;
Q9yGQu ss.dwCheckPoint=0;
_Vo)<--+I ss.dwWaitHint=0;
'Wf?elB+ SetServiceStatus(ssh,&ss);
1A?\BJ" return;
\=w'HZH#+ }
Tbi]oB# /////////////////////////////////////////////////////////////////////////
+w k]iH void ServicePaused(void)
62MRI {
@QVqpE<| ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
oTF^<I-C ss.dwCurrentState=SERVICE_PAUSED;
_^6|^PT. ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
@3-,=x ss.dwWin32ExitCode=NO_ERROR;
a)_rka1( ss.dwCheckPoint=0;
uEScAeQXsI ss.dwWaitHint=0;
SY$J+YBLM SetServiceStatus(ssh,&ss);
r)6uX return;
>&<<8Ln }
p| \%:# void ServiceRunning(void)
j!lAxlOX {
@q> ktE_ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
V\@jC\-5Vt ss.dwCurrentState=SERVICE_RUNNING;
N;Z`%& ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Ue{vg$5|| ss.dwWin32ExitCode=NO_ERROR;
2/yXY_L ss.dwCheckPoint=0;
e$Xq ss.dwWaitHint=0;
IP30y>\ SetServiceStatus(ssh,&ss);
S]e j=6SP return;
" K 8&{= }
ySwYV /////////////////////////////////////////////////////////////////////////
Cdp]Nv6 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
zd*3R+>U'> {
$N}/1R^?r switch(Opcode)
YH)Opk {
O;X(pE/G case SERVICE_CONTROL_STOP://停止Service
Y8)E]D ServiceStopped();
p~Hvl3SxR break;
N+CXOI=6x case SERVICE_CONTROL_INTERROGATE:
&jV9* SetServiceStatus(ssh,&ss);
?~"`^|d
break;
]UX`=+{ }
5q|+p?C return;
5:Yck< }
U,Z"G1^ //////////////////////////////////////////////////////////////////////////////
hWq.#e6 //杀进程成功设置服务状态为SERVICE_STOPPED
j>0<#SYBu //失败设置服务状态为SERVICE_PAUSED
]Q6+e(:~ZH //
.e`,{G(5q7 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
.q0218l:dF {
.O5LI35, ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Aautih@LX if(!ssh)
gEZwW]r- {
Ni2]6U ServicePaused();
9z5"y|$ return;
{8^Gs^c
c }
`6a]|7|f ServiceRunning();
lpl8h4d Sleep(100);
Q7,EY / //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
xn(+G$m //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
H-eEhI(;O if(KillPS(atoi(lpszArgv[5])))
u.Mqj"o\ ServiceStopped();
c%|vUAq* else
p+, 1Fi ServicePaused();
cQ8dc+ { return;
X^zYQ6t }
g3|BE2? /////////////////////////////////////////////////////////////////////////////
/635B*g void main(DWORD dwArgc,LPTSTR *lpszArgv)
33Ssylno {
#/OUGeJ SERVICE_TABLE_ENTRY ste[2];
v"z(JF ste[0].lpServiceName=ServiceName;
IFiTTIlT0 ste[0].lpServiceProc=ServiceMain;
"'['(e+7 ste[1].lpServiceName=NULL;
=2^Vgc ste[1].lpServiceProc=NULL;
u5Qp/ag?N StartServiceCtrlDispatcher(ste);
`S"W8_m return;
# v.L$7O }
\'n$&PFe /////////////////////////////////////////////////////////////////////////////
X'cf&>h 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
u-m %=2 下:
:e1'o /***********************************************************************
^9&b+u=X Module:function.c
Da"yZ\4 Date:2001/4/28
nIf N" Author:ey4s
'UY[ap Http://www.ey4s.org 5a'yXB} ***********************************************************************/
hP?7zz$*j #include
WK
pUn8&N
////////////////////////////////////////////////////////////////////////////
/&CUspb BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Vy]A,Rn7 {
B,3 t` TOKEN_PRIVILEGES tp;
9'1hjd3k LUID luid;
A#<vG1 S8\+XJ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
aK]7vp+ {
E@:Q 'g% printf("\nLookupPrivilegeValue error:%d", GetLastError() );
KwS`3 6: return FALSE;
zQ ,f5x }
m&Lt6_vi tp.PrivilegeCount = 1;
Z.!g9fi8> tp.Privileges[0].Luid = luid;
HtxLMzgz<< if (bEnablePrivilege)
brb[})} tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
ya:sW5fk else
j5kA^MTG tp.Privileges[0].Attributes = 0;
^w>&?A'! // Enable the privilege or disable all privileges.
Ig<}dM.Z[ AdjustTokenPrivileges(
'<TD6jBs hToken,
Q~phGD3!~ FALSE,
]bIt@GB &tp,
&]w#z=5SXi sizeof(TOKEN_PRIVILEGES),
DL,[k
( (PTOKEN_PRIVILEGES) NULL,
l$F_"o?&S@ (PDWORD) NULL);
l{8CISO* // Call GetLastError to determine whether the function succeeded.
VSh !4z1 if (GetLastError() != ERROR_SUCCESS)
bZiyapM {
Y+FP printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
qYx!jA]O return FALSE;
B$ui:R/ t }
29%=: *R$ return TRUE;
(wife#)~ }
hGvq T, ' ////////////////////////////////////////////////////////////////////////////
d>&\V)E BOOL KillPS(DWORD id)
@d&g/ccMxd {
'GkvUrD9D$ HANDLE hProcess=NULL,hProcessToken=NULL;
Yt{ji BOOL IsKilled=FALSE,bRet=FALSE;
5:c;RRn __try
6#E7!-u(- {
yr5NRs aVP5% if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
,(P %z.P@ {
D3y>iQd printf("\nOpen Current Process Token failed:%d",GetLastError());
T8U[xu.> __leave;
=^Th[B }
q-YL]PgV //printf("\nOpen Current Process Token ok!");
Q\|18wkW if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
6J\q`q(W( {
Lx%:t YZ __leave;
#pX8{Tf[ }
v; Es^
YI printf("\nSetPrivilege ok!");
WHP;Neb6 n'yl)HA~>` if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
#7o0dE;Kg9 {
L?HF'5o printf("\nOpen Process %d failed:%d",id,GetLastError());
`_GO=QQ __leave;
ilv _D~|
}
>Fyu@u //printf("\nOpen Process %d ok!",id);
vO]J]][ if(!TerminateProcess(hProcess,1))
'*4iqPR; {
MI\]IQU printf("\nTerminateProcess failed:%d",GetLastError());
)A"jVQjI%w __leave;
PK+ x6]x }
gKWzFnW IsKilled=TRUE;
uN9e:; }
AFGwT%ZD __finally
KSc~GP_ {
=5ug\S if(hProcessToken!=NULL) CloseHandle(hProcessToken);
@ u+|=x]; if(hProcess!=NULL) CloseHandle(hProcess);
8b7;\C~$p }
)!eEO [\d return(IsKilled);
VD/&%O8n }
Lyr2(^#: //////////////////////////////////////////////////////////////////////////////////////////////
G?<pBMy OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
^>^\CP] /*********************************************************************************************
B7!;]'&d ModulesKill.c
frc{>u~t Create:2001/4/28
uf]Y^,2 Modify:2001/6/23
E5gl ^Q?Z Author:ey4s
7/?DP wbx Http://www.ey4s.org "Hht
g: PsKill ==>Local and Remote process killer for windows 2k
9 ZGV%Tw **************************************************************************/
aM$=|%9/ #include "ps.h"
wWTQ6~Y%d #define EXE "killsrv.exe"
'0RRFO #define ServiceName "PSKILL"
"U{,U`@? r1G8]a gO #pragma comment(lib,"mpr.lib")
oIb)
Rq!m //////////////////////////////////////////////////////////////////////////
Y
9i][ //定义全局变量
< eQ[kM SERVICE_STATUS ssStatus;
-L8YJ8J6 SC_HANDLE hSCManager=NULL,hSCService=NULL;
D#jX6 BOOL bKilled=FALSE;
b
=b: char szTarget[52]=;
RL*]g* //////////////////////////////////////////////////////////////////////////
TT7PQf > BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
{2:d`fqD BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
]G*$W+G] BOOL WaitServiceStop();//等待服务停止函数
/lJjQ]c;> BOOL RemoveService();//删除服务函数
>S'>!w /////////////////////////////////////////////////////////////////////////
zh%qS~8Yv int main(DWORD dwArgc,LPTSTR *lpszArgv)
SKR;wu {
/cfHYvnz BOOL bRet=FALSE,bFile=FALSE;
t8vc@of$c, char tmp[52]=,RemoteFilePath[128]=,
r?^"65= szUser[52]=,szPass[52]=;
2r;GcjezH HANDLE hFile=NULL;
6vobta^w DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
bMmra.x4L l3p3tT3+ //杀本地进程
kOipH |.x if(dwArgc==2)
dE [Ol {
EkZjO Ci if(KillPS(atoi(lpszArgv[1])))
K]<u8eF printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
b[srG6{ & else
o1k#."wHr printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
QKccrAo lpszArgv[1],GetLastError());
FJwt?3\u5 return 0;
KjOi(YUnq7 }
@9vvR7{P //用户输入错误
tOH0IE c else if(dwArgc!=5)
wyw <jH {
tS<h8g_ printf("\nPSKILL ==>Local and Remote Process Killer"
XWtiwf'K "\nPower by ey4s"
nY0sb8lZJ "\nhttp://www.ey4s.org 2001/6/23"
t',BI "\n\nUsage:%s <==Killed Local Process"
9p`r7: "\n %s <==Killed Remote Process\n",
JIxiklk lpszArgv[0],lpszArgv[0]);
bS rZ{l return 1;
k[9A,N^lZB }
x=Mm6}/ //杀远程机器进程
s;1e0n strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
z0Xa_w= strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
m*oc)x7' strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
CH;;V3 tpYa?ZCM
//将在目标机器上创建的exe文件的路径
eYEc^nC,c) sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
A1-qtAO] __try
ZEGd4_ux {
0d4cE10 //与目标建立IPC连接
85z;Zt0{ if(!ConnIPC(szTarget,szUser,szPass))
cZi[(K {
Rd%0\ B printf("\nConnect to %s failed:%d",szTarget,GetLastError());
KlUqoJ;" return 1;
9j#@p }
A[H;WKn0 printf("\nConnect to %s success!",szTarget);
C9jbv/c //在目标机器上创建exe文件
bulboyA pjN:Y] hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
*Jt8 E,
}V]eg,.BJ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
z-@-O if(hFile==INVALID_HANDLE_VALUE)
J+Bdz6lt {
t5)J;0/ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
TyOH`5D __leave;
~/|zlu*jpc }
_tj&Psp //写文件内容
gs`> C( while(dwSize>dwIndex)
[5Y<7DS {
<&U!N'CE qks|d_ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
D9-Lg% {
(q~0XE/ a printf("\nWrite file %s
zZ,Yfd|W failed:%d",RemoteFilePath,GetLastError());
)ooWQ-%P __leave;
]k*1KP }
,4Y*:JU4 dwIndex+=dwWrite;
=.b Y#4 }
$bGD%9
z //关闭文件句柄
I=[cZ;t CloseHandle(hFile);
4*M@]J " bFile=TRUE;
16$y`~c-z //安装服务
&p"(- if(InstallService(dwArgc,lpszArgv))
3hS6jS {
l h/&__ //等待服务结束
M<[?g5=# if(WaitServiceStop())
CgnXr/!L {
%MJ;Q?KB //printf("\nService was stoped!");
8#59iQl }
d+}k g else
(1){A8=?o {
3k'.(P|F //printf("\nService can't be stoped.Try to delete it.");
A1A3~9HuK }
5f{|"LG& Sleep(500);
U CY2]E //删除服务
]W)
jmw'mo RemoveService();
\+Y!ILOI }
GDPo`#~ }
FFe)e>bH __finally
SLoo:) {
rAXX}"l6s //删除留下的文件
|Td5l? if(bFile) DeleteFile(RemoteFilePath);
FC}oL"kk //如果文件句柄没有关闭,关闭之~
>n!ni( if(hFile!=NULL) CloseHandle(hFile);
~HDdO3 //Close Service handle
Np)aS[9W if(hSCService!=NULL) CloseServiceHandle(hSCService);
dWR1cvB(wY //Close the Service Control Manager handle
HomN/wKh if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
i&K