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。
J3c8WS{: OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
=_Ip0FfK! <1>与远程系统建立IPC连接
kn&>4/') <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
`XrF , <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
:EV*8{:aLU <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
# b94S?dq <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
mY&(&'2T" <6>服务启动后,killsrv.exe运行,杀掉进程
0{qe1pb w <7>清场
giORc
嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Q|(G - /***********************************************************************
m#`1.5% Module:Killsrv.c
XB;C~: Date:2001/4/27
!U4<4<+ Author:ey4s
% 9} ?*U Http://www.ey4s.org AI#.G7'O ***********************************************************************/
Z~v-@ #include
8C8,Q\WV(~ #include
q}cm"lO$ #include "function.c"
xP-\)d-.aN #define ServiceName "PSKILL"
1fqJtP6 U5yBU9\G SERVICE_STATUS_HANDLE ssh;
EGxCNB SERVICE_STATUS ss;
IIO-Jr /////////////////////////////////////////////////////////////////////////
UZx8ozv' void ServiceStopped(void)
,f}u|D 3@ {
v /x~L$[ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
`&URd&ouJD ss.dwCurrentState=SERVICE_STOPPED;
.>
5[; ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
/q5!p0fH* ss.dwWin32ExitCode=NO_ERROR;
;}}k*<
Z ss.dwCheckPoint=0;
k nljc^ ss.dwWaitHint=0;
h?P-
:E SetServiceStatus(ssh,&ss);
9i+.iuE%Bu return;
U# U*^# }
V,&A?
Y /////////////////////////////////////////////////////////////////////////
qh#?a' void ServicePaused(void)
wyB {
$[V-M\q ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
s2"<<P[q' ss.dwCurrentState=SERVICE_PAUSED;
Ni>!b6Z`[ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)8%m|v#W ss.dwWin32ExitCode=NO_ERROR;
nd~O*-uYg ss.dwCheckPoint=0;
#:s*Hy= ss.dwWaitHint=0;
+;bP.[Z SetServiceStatus(ssh,&ss);
]XEUD1N;I return;
2:G/Oj h&] }
>hO9b;F} void ServiceRunning(void)
#oJ%i+V {
FK~*X3' ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
QC6:ZxP ss.dwCurrentState=SERVICE_RUNNING;
4(&sw<k ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
" 2Q*- ss.dwWin32ExitCode=NO_ERROR;
Yht |^ =a ss.dwCheckPoint=0;
e#!p6+#" ss.dwWaitHint=0;
2?@Ozr2Uh SetServiceStatus(ssh,&ss);
`J%35 return;
AmB*4p5b }
sFw;P` /////////////////////////////////////////////////////////////////////////
EIF"{,m void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
6cXZ3;a {
''H;/&nDX switch(Opcode)
t5k=ngA {
=0mn6b9-= case SERVICE_CONTROL_STOP://停止Service
DLO2$d ServiceStopped();
Ie(M9QMp break;
jIck! case SERVICE_CONTROL_INTERROGATE:
S,f:nLT SetServiceStatus(ssh,&ss);
tHV+#3h break;
f&!{o= }
y wmC>`0p return;
[:8+ +#KD }
.* &F //////////////////////////////////////////////////////////////////////////////
&M7AM"9 //杀进程成功设置服务状态为SERVICE_STOPPED
La$?/\Dv) //失败设置服务状态为SERVICE_PAUSED
BMb0Pu8 //
LoW}!,| void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
<Aqo['] {
AI]lG]q8 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
ZG(Pz9{K if(!ssh)
cnB:bQQK8 {
b\p2yJ\ ServicePaused();
TGGbO:s3 return;
4o<'
fY }
lX64IvG8+o ServiceRunning();
10CRgrZ Sleep(100);
H18pVh //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
S]?I7_ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
gwDVWhq if(KillPS(atoi(lpszArgv[5])))
!M}ZK( ServiceStopped();
YL/B7^fd8 else
")9jt^ ServicePaused();
H3+P;2{ return;
?%*p!m }
:kvQ3E0 /////////////////////////////////////////////////////////////////////////////
(w` j?c1 void main(DWORD dwArgc,LPTSTR *lpszArgv)
K{0 gkORF {
f@0Km^a Uc SERVICE_TABLE_ENTRY ste[2];
*BKIA ste[0].lpServiceName=ServiceName;
|%uy{ ste[0].lpServiceProc=ServiceMain;
Bz?
(?fyd ste[1].lpServiceName=NULL;
[JKLlR ste[1].lpServiceProc=NULL;
]Xg7XY StartServiceCtrlDispatcher(ste);
7n7UL0Oc1 return;
?@QcKQ@ }
e17]{6y /////////////////////////////////////////////////////////////////////////////
NmTo/5s function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
D!mx &O9 下:
f1q0*)fk /***********************************************************************
IU\h,Ug Module:function.c
~0rvrDDg Date:2001/4/28
@4Lol2 Author:ey4s
,Bl_6ZaL Http://www.ey4s.org T:g%b @ ***********************************************************************/
*d:$vaL #include
.9q`Tf ////////////////////////////////////////////////////////////////////////////
+|qw>1J( BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
M=4`^.Ocm {
')ZZ)&U>z TOKEN_PRIVILEGES tp;
=m6<H LUID luid;
(#nB90E{* P>'29$1' if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
lQpl8> {
9>=S@hVMd printf("\nLookupPrivilegeValue error:%d", GetLastError() );
bT`et*] return FALSE;
|}Z2YDwO/ }
meZZQ:eSl tp.PrivilegeCount = 1;
c9Q _Qr0' tp.Privileges[0].Luid = luid;
F!P,%JmI< if (bEnablePrivilege)
*hh iIiog+ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
m}'!W`< else
ppnl bL^* tp.Privileges[0].Attributes = 0;
NtkZ\3 // Enable the privilege or disable all privileges.
S}6xkX AdjustTokenPrivileges(
T}Wse{ hToken,
!UHX?<3r FALSE,
yeA]j[ # &tp,
w{ Pl sizeof(TOKEN_PRIVILEGES),
av~kF (PTOKEN_PRIVILEGES) NULL,
_7
^:1i~:. (PDWORD) NULL);
<(l`zLf4p // Call GetLastError to determine whether the function succeeded.
$`<-;kI if (GetLastError() != ERROR_SUCCESS)
V6_~"pRR= {
L&&AK`Ur3l printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
wI?AZd;`' return FALSE;
e8{!Kjiz }
oE)xL%* return TRUE;
%$=2tfR }
4c<\_\\ck ////////////////////////////////////////////////////////////////////////////
)gV @6w BOOL KillPS(DWORD id)
?L6wky{ {
R#!Urhh HANDLE hProcess=NULL,hProcessToken=NULL;
7,Y+FZ BOOL IsKilled=FALSE,bRet=FALSE;
}O2P>Z?V __try
p ^Y2A {
R,8Tt!n PsBLAr\ah if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
nI/kX^Pd {
( +(bw4V/ printf("\nOpen Current Process Token failed:%d",GetLastError());
x M{SFF __leave;
MJU*Sq }
68~5Dx //printf("\nOpen Current Process Token ok!");
xW58B if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
v.c.5@%%o {
1^2]~R9,9 __leave;
J7@Q;gcl: }
ysFp$!9Ux printf("\nSetPrivilege ok!");
VP*B<u lXXWQ= if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
M,we,!B0 {
ol}}c6 printf("\nOpen Process %d failed:%d",id,GetLastError());
*vT Abk$ __leave;
tv5N
wM }
<DhuY/o //printf("\nOpen Process %d ok!",id);
2\CZ"a#[ if(!TerminateProcess(hProcess,1))
@_?Uowc8 {
zKThM#.Wa printf("\nTerminateProcess failed:%d",GetLastError());
[X kWPx` __leave;
B?ipo,2~{ }
E5\>mf
,;u IsKilled=TRUE;
L;fz7?_j }
"
"S&zN __finally
Yn>FSq^Wp- {
u]P9ip"Z if(hProcessToken!=NULL) CloseHandle(hProcessToken);
!ZY1AhGZ if(hProcess!=NULL) CloseHandle(hProcess);
@]L$eOV_ }
O6ltGtF return(IsKilled);
+pe\9F }
n!U1cB{ //////////////////////////////////////////////////////////////////////////////////////////////
+ZkJ{r0,( OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
IiV]lxiE] /*********************************************************************************************
" s/ws ModulesKill.c
f7Gs1{ Create:2001/4/28
57EL&V%j Modify:2001/6/23
X$eR RSW Author:ey4s
+No Ve# Http://www.ey4s.org _p<wATv?7t PsKill ==>Local and Remote process killer for windows 2k
%&wi@ *# **************************************************************************/
$5@[l5cJU; #include "ps.h"
]ClqX;'weJ #define EXE "killsrv.exe"
h<7@3Ur #define ServiceName "PSKILL"
D4*_/,} RtEx
WTc #pragma comment(lib,"mpr.lib")
I p|[ //////////////////////////////////////////////////////////////////////////
W+Ou%uv}S //定义全局变量
jVna;o) SERVICE_STATUS ssStatus;
gFXz:!A SC_HANDLE hSCManager=NULL,hSCService=NULL;
()Qq7/ BOOL bKilled=FALSE;
4D6LP* char szTarget[52]=;
C1OiM b(: //////////////////////////////////////////////////////////////////////////
6 kD. BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
[buLo*C4: BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
JO~62='J BOOL WaitServiceStop();//等待服务停止函数
E`|vu*l7 BOOL RemoveService();//删除服务函数
sVe<l mL /////////////////////////////////////////////////////////////////////////
.>2]m[53 int main(DWORD dwArgc,LPTSTR *lpszArgv)
<(1[n
pS&+ {
n^<J@uC BOOL bRet=FALSE,bFile=FALSE;
p9&gKIO_m char tmp[52]=,RemoteFilePath[128]=,
!PgwFJ szUser[52]=,szPass[52]=;
W9S6
SO^\ HANDLE hFile=NULL;
,M$h3B\;r DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
zX6Q7Bc s\Ln //杀本地进程
znAo]F9=J" if(dwArgc==2)
B[d%?L_ {
|3>%(4
OS if(KillPS(atoi(lpszArgv[1])))
DeI3(o7 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
5=1Ml50 else
RQ4+EW1G printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
mdlMciP lpszArgv[1],GetLastError());
"d2JNFIHb return 0;
,x?Jrcx~'C }
Q'YakEv >= //用户输入错误
N;4wbUPL7h else if(dwArgc!=5)
2I7|hZ, {
w"L]?# printf("\nPSKILL ==>Local and Remote Process Killer"
E@-5L9eJ\ "\nPower by ey4s"
,o}CBB! k "\nhttp://www.ey4s.org 2001/6/23"
h+Y>\Cxg "\n\nUsage:%s <==Killed Local Process"
u(8dsgR "\n %s <==Killed Remote Process\n",
j.c{%UYj lpszArgv[0],lpszArgv[0]);
h;R>|2A return 1;
9U3 .=J }
fZQ2<*)pqO //杀远程机器进程
SAE'y2B* strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
.vd*~U" strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
0qm CIcg strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
EAz>`~ uUe#+[bD //将在目标机器上创建的exe文件的路径
=Z..&H5i sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
@.,'A[D!K __try
40[@d {
Pfd%[C/vdm //与目标建立IPC连接
o\fPZ`p-m~ if(!ConnIPC(szTarget,szUser,szPass))
e}(8BF {
(3=bKcD' printf("\nConnect to %s failed:%d",szTarget,GetLastError());
?QtM|e return 1;
Ox@$ } }
@\+UTkl8 printf("\nConnect to %s success!",szTarget);
+ -rSO"nc //在目标机器上创建exe文件
Jgy6 !qUn_ ),$^h7[n hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
yM7FR); E,
JURg=r]LI NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
<SdOb#2 if(hFile==INVALID_HANDLE_VALUE)
%&J`mq {
>fD%lq; printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
F4:5 >*: __leave;
fc4jbPp:M }
*z]P|_:&G //写文件内容
,V)hV@Dk while(dwSize>dwIndex)
D0Ls~qr {
-CALU X Z=l2Po n if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
|w -s{L3@+ {
#v4^,$k> printf("\nWrite file %s
u3DFgl3-7 failed:%d",RemoteFilePath,GetLastError());
sosIu __leave;
)iZhE"?z }
N9vNSmm dwIndex+=dwWrite;
}S%}%1pG7 }
`.wgRUhFH; //关闭文件句柄
}ee3'LUPX CloseHandle(hFile);
k8cR`5@PK bFile=TRUE;
PGb}Y { //安装服务
)}k"7" if(InstallService(dwArgc,lpszArgv))
#nKGU"$+ {
S)"vyGv //等待服务结束
k1LbWR1%wB if(WaitServiceStop())
i6i;{\tc {
|r4&@) //printf("\nService was stoped!");
y }h2 }
1M[|9nWUC else
9~ifST\ {
, _ xJ9_ //printf("\nService can't be stoped.Try to delete it.");
}@53*h i( }
GF0Utp:Zf; Sleep(500);
^SS9BQ*m //删除服务
Xg}~\|n RemoveService();
/ $'M }
0IsnG?" }
L)Da1<O __finally
5jTA6s9z A {
uW,rmd //删除留下的文件
{[+Q\<