101 lines
1.6 KiB
C
101 lines
1.6 KiB
C
/* ###
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* IP: GHIDRA
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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int length(char *s) {
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int len = 0;
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while (*s++ != 0) {
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++len;
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}
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return len;
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}
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const char data[] = {
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0xec,
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0xc3,
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0xd8,
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0xd9,
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0xde,
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0x8a,
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0xcf,
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0xc4,
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0xde,
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0xd8,
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0xd3,
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0x00,
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0xf9,
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0xcf,
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0xc9,
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0xc5,
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0xc4,
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0xce,
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0x8a,
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0xcf,
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0xc4,
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0xde,
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0xd8,
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0xd3,
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0x00,
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0xfe,
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0xc2,
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0xc3,
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0xd8,
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0xce,
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0x8a,
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0xcf,
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0xc4,
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0xde,
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0xd8,
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0xd3,
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0x00,
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0x00
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};
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char buffer[64];
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char * deobfuscate(char *src, char *dst, int len) {
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char *ptr = dst;
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for (int i = 0; i < len; i++) {
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*ptr++ = *src++ ^ 0xAA;
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}
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*ptr = 0;
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return dst;
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}
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void use_string(char * str, int index) {
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// fprintf(stderr, "String[%d]: %s\n", index, str);
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}
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int main (int argc, char **argv) {
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char *ptr = (char *)data;
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int index = 0;
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while (*ptr != 0) {
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int len = length(ptr);
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char *str = deobfuscate(ptr, buffer, len);
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use_string(str, index++);
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ptr += len + 1;
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}
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return 0;
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}
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#ifndef __x86_64
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int _start() {
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char *argv[] = { "deobExample" };
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return main(1, argv);
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}
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#endif
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