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。
|{t}ULc OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
89'nbg <1>与远程系统建立IPC连接
0DS<( <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
MttVgNV <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
xU67ztS'E' <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
zzq/%jki <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Bz/NFNi[p <6>服务启动后,killsrv.exe运行,杀掉进程
R:^GNra; <7>清场
/oe="/y6 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
ywi
Shvi8 /***********************************************************************
;v8,r#4 Module:Killsrv.c
l$zo3[ Date:2001/4/27
33"{"2==` Author:ey4s
9-}&znLZe Http://www.ey4s.org -!wm]kx
f ***********************************************************************/
{#>@h7 #include
lt}|Y9h #include
G^r^" j #include "function.c"
LB 2
2doW #define ServiceName "PSKILL"
4i/ TEHQ |iO2,99i SERVICE_STATUS_HANDLE ssh;
8M(N SERVICE_STATUS ss;
0~an\4nh /////////////////////////////////////////////////////////////////////////
gt}/C4| void ServiceStopped(void)
)Bd+jli|s {
QJOP *<O ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
G}}oeS ss.dwCurrentState=SERVICE_STOPPED;
>Pbd#* ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
(W*yF2r ss.dwWin32ExitCode=NO_ERROR;
o7]h;Zg5r ss.dwCheckPoint=0;
w;>]L.n ss.dwWaitHint=0;
Dve5Ml- SetServiceStatus(ssh,&ss);
#t3ju^ |? return;
.\*\bvyCw }
Lrr6z05F Q /////////////////////////////////////////////////////////////////////////
B6$s*SXNp void ServicePaused(void)
]yCmGt+b {
}b6ja y ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
b>I -4 ss.dwCurrentState=SERVICE_PAUSED;
h1JG^w$ 5 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
@36^4E>h ss.dwWin32ExitCode=NO_ERROR;
M7!&gFv8 ss.dwCheckPoint=0;
(w"zI! ss.dwWaitHint=0;
d3^LalAp SetServiceStatus(ssh,&ss);
Ha4?I$'$ return;
Hdj0! bUx }
Z-]d_Y~m4 void ServiceRunning(void)
+,c;Dff {
1T!_d&A1o ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
kTs)u\r. ss.dwCurrentState=SERVICE_RUNNING;
kpK:@ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
t2tH%%Rs ss.dwWin32ExitCode=NO_ERROR;
&k : | ss.dwCheckPoint=0;
R1J"QU ss.dwWaitHint=0;
0&-!v?6) SetServiceStatus(ssh,&ss);
eJ2[=L' return;
CaZEU(i }
.^P^lQT]> /////////////////////////////////////////////////////////////////////////
H-7*)D void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
lE=Q(QUr {
(VwS9:` switch(Opcode)
/EKfL\3 {
Dzc 4J66 case SERVICE_CONTROL_STOP://停止Service
~''qd\.f$ ServiceStopped();
X-~Q break;
^'v6
,*:4 case SERVICE_CONTROL_INTERROGATE:
YgdoQBQ SetServiceStatus(ssh,&ss);
,|xG2G6 break;
URJ" }
"wexG]R=5 return;
|K/#2y~ }
P|_?{1eO2 //////////////////////////////////////////////////////////////////////////////
;?h#',(p //杀进程成功设置服务状态为SERVICE_STOPPED
U{eC^yjt"o //失败设置服务状态为SERVICE_PAUSED
bKG:_mWe w //
~g>15b3 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Tff7SEP {
hMhD(X ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
YM+}Mmu if(!ssh)
YN"102CK {
2/?pI/W ServicePaused();
-aKL
78 return;
G}D?+MWY }
>D<nfG<s Z ServiceRunning();
Mr/^V,rA Sleep(100);
>G/>:wwSP. //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
MH{vFA4:, //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
BQ_\8Qt| if(KillPS(atoi(lpszArgv[5])))
POUB{ba ServiceStopped();
Z0`? else
gjyg`% ServicePaused();
]WyV~Dzz< return;
b^hCm`2w* }
}[ux4cd8Y /////////////////////////////////////////////////////////////////////////////
ot(|t4^ void main(DWORD dwArgc,LPTSTR *lpszArgv)
LUS7-~:F {
90I)"vfW5 SERVICE_TABLE_ENTRY ste[2];
UY%@i ste[0].lpServiceName=ServiceName;
a,&Kvh ste[0].lpServiceProc=ServiceMain;
~LYKt0/W& ste[1].lpServiceName=NULL;
|(XV '-~ ste[1].lpServiceProc=NULL;
fa5($jJ& StartServiceCtrlDispatcher(ste);
hO{@!H$l return;
)@SIFE }
?_n.B=H`8 /////////////////////////////////////////////////////////////////////////////
},[S 9I`p 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
uvD6uIW< 下:
%,~; w0 /***********************************************************************
JR7~|ov Module:function.c
A[+op'>k Date:2001/4/28
/1n}IRuw Author:ey4s
sY1@ch" Http://www.ey4s.org ;M4N=G Wd4 ***********************************************************************/
y^M'&@F #include
Y5ebpw+B- ////////////////////////////////////////////////////////////////////////////
pok,`yW\ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
*;"^b\f5_ {
K"-N:OV TOKEN_PRIVILEGES tp;
v6f$N+4c LUID luid;
iF61J%3- ,ISq7*%F if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
B;1wnKdj {
L[TL~@T printf("\nLookupPrivilegeValue error:%d", GetLastError() );
f()^^ + return FALSE;
vbwEX 6 }
hw~cS7 tp.PrivilegeCount = 1;
BIV]4vl-& tp.Privileges[0].Luid = luid;
r=&PUT+vt if (bEnablePrivilege)
0b*a2_|8k tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
Z][?'^`^! else
du'$JtZo tp.Privileges[0].Attributes = 0;
9R.tkc|K // Enable the privilege or disable all privileges.
Av+
w>~/3 AdjustTokenPrivileges(
RA.@(DN& hToken,
vkbB~gr@* FALSE,
;;l( &tp,
.=^h@C*
sizeof(TOKEN_PRIVILEGES),
"lN<v= (PTOKEN_PRIVILEGES) NULL,
:VLuI (PDWORD) NULL);
rD$7; // Call GetLastError to determine whether the function succeeded.
^D vaT9s if (GetLastError() != ERROR_SUCCESS)
E8NIH!dI {
G*J(4~Yw} printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
QW6k!ms$ return FALSE;
jN5Sc0|b }
|G%MiYd return TRUE;
dF1Bo }
OQ!mL3f ////////////////////////////////////////////////////////////////////////////
3UrqV`x \ BOOL KillPS(DWORD id)
*'exvY~ {
G ROl9xp2 HANDLE hProcess=NULL,hProcessToken=NULL;
b[RBp0]x BOOL IsKilled=FALSE,bRet=FALSE;
ch :428 __try
%@pTEhpF {
g08=D$P k"Sw,"e>+ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
#"7:NR^H^ {
C:
e}}8i printf("\nOpen Current Process Token failed:%d",GetLastError());
xn}'!S2-b __leave;
CB?.|)Xam }
6e~+@S //printf("\nOpen Current Process Token ok!");
6;(Slkv if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Y6{p|F?&" {
D0x+b2x^ __leave;
ZU "y< }
)(DV~1r= printf("\nSetPrivilege ok!");
Jw
{:1 hj4A&`2 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
v8pUt\m" {
fylaH(LER printf("\nOpen Process %d failed:%d",id,GetLastError());
KE5f`h __leave;
x$s #';* }
_=}Y
lR //printf("\nOpen Process %d ok!",id);
H56e#:[$ if(!TerminateProcess(hProcess,1))
Ir}&|"~H {
Nw|Lrn*h! printf("\nTerminateProcess failed:%d",GetLastError());
rp1u __leave;
IFv2S| }
}#yRaIp IsKilled=TRUE;
;W+.]_$6)T }
w"l8M0$m __finally
spe9^.SI {
<D4)gRRo if(hProcessToken!=NULL) CloseHandle(hProcessToken);
+Z{4OJK if(hProcess!=NULL) CloseHandle(hProcess);
T>?sPq }
93'%aSDI% return(IsKilled);
h+* }
4|:{apH //////////////////////////////////////////////////////////////////////////////////////////////
8-SVgo( 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:
9)4N2= /*********************************************************************************************
%F}`;>C3 ModulesKill.c
,:L}S03k Create:2001/4/28
N!Y'W)i16 Modify:2001/6/23
/pyKTZ| Author:ey4s
FAQ:0L$G Http://www.ey4s.org
?T4%"0 PsKill ==>Local and Remote process killer for windows 2k
[Cr_2 **************************************************************************/
YDQV,`S7 #include "ps.h"
/?_{DMt #define EXE "killsrv.exe"
wT.V3G #define ServiceName "PSKILL"
&`@Jy|N\ jR/X}XQtY #pragma comment(lib,"mpr.lib")
z%;\q$ //////////////////////////////////////////////////////////////////////////
{yG)Ii //定义全局变量
8D+OF 6CM SERVICE_STATUS ssStatus;
a)Wf* <B SC_HANDLE hSCManager=NULL,hSCService=NULL;
[e&$4l IS BOOL bKilled=FALSE;
s lPFDBx char szTarget[52]=;
Pq_Il9 //////////////////////////////////////////////////////////////////////////
4Y)3<=kDG BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
k|
jCc BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
:+R||qi BOOL WaitServiceStop();//等待服务停止函数
:*oI"U*f BOOL RemoveService();//删除服务函数
A: @=?(lI3 /////////////////////////////////////////////////////////////////////////
>?$Ze @
int main(DWORD dwArgc,LPTSTR *lpszArgv)
@u$oqjK {
<B`=oO%o BOOL bRet=FALSE,bFile=FALSE;
n%?g+@y,^ char tmp[52]=,RemoteFilePath[128]=,
c/x(v=LW szUser[52]=,szPass[52]=;
$[|8bE HANDLE hFile=NULL;
"0/OpT7h7 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
n1cAI|ZE y'zEaL&SI@ //杀本地进程
atN`w=6A` if(dwArgc==2)
Nq9(O#} {
N[42al if(KillPS(atoi(lpszArgv[1])))
-}N{'S,Bp printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
HV?awc else
_5X}&>>lhF printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
^qk$W?pX lpszArgv[1],GetLastError());
\T[*|"RFZ return 0;
chiQ+ }
Ar):D#D //用户输入错误
}& 1_gn15 else if(dwArgc!=5)
J#X 7Ss {
3~ZtAgih% printf("\nPSKILL ==>Local and Remote Process Killer"
:X$&gsT/, "\nPower by ey4s"
4XKg3l1 "\nhttp://www.ey4s.org 2001/6/23"
<~Y4JMr" "\n\nUsage:%s <==Killed Local Process"
5w1=j\oq "\n %s <==Killed Remote Process\n",
Ri-I+7(n! lpszArgv[0],lpszArgv[0]);
o0<T|zgF5, return 1;
d[o = }
>T(f //杀远程机器进程
%ZQl.''ISa strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
APLu?wy7s5 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
VK NCK strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
U2bb|6j ,3Wa~\/Q //将在目标机器上创建的exe文件的路径
7)a=B! 8M sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
A+
f{j __try
*v8 ]99N {
-J[D:P.Z //与目标建立IPC连接
a.Mp1W if(!ConnIPC(szTarget,szUser,szPass))
G;^iwxzhO {
Cu`ZgKLQ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
c~tkY!c return 1;
2'x_zMV }
P, Vq/Tt printf("\nConnect to %s success!",szTarget);
j$L<9(DoR //在目标机器上创建exe文件
xw=B4u'z A2+t`[w hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
d?S<h`{x E,
7C 4Njei" NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
Np=*B_ @8 if(hFile==INVALID_HANDLE_VALUE)
U5"F1CaW~ {
@lmk e> printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
DL~LSh __leave;
]-AT(L> }
jf%Ydr}` //写文件内容
k5ZwGJ#r while(dwSize>dwIndex)
=W4cWG?+ {
d[S!e`,iD ,:v}gS?Uq if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
) Z^(+ {
-9Can4 printf("\nWrite file %s
w6cPd' failed:%d",RemoteFilePath,GetLastError());
_ WSJg1 __leave;
X0U6: }
L@2H>Lh35 dwIndex+=dwWrite;
s@q54 }
zcNV<tx //关闭文件句柄
(nc fR CloseHandle(hFile);
T2Vj&EA@ bFile=TRUE;
F_-yT[i //安装服务
=-q)I[4# if(InstallService(dwArgc,lpszArgv))
=djzE`)0 {
{#;6$dU;( //等待服务结束
cX&c% ~ if(WaitServiceStop())
cfj6I {
T&S<