omkar/mattermost-patched-enterprise
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Added a more robust pattern and fixed the pattern replacement

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WasserEsser
2026-06-19 03:04:01 +02:00
parent f9a103a014
commit 972e327118
1 changed files with 5 additions and 5 deletions
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patch.sh
+5 -5
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@@ -73,9 +73,9 @@ log() {
echo "$@"
fi
}
PATTERN="48 85 C0 0F 84 81 00 00 00 44 0F 11 BC 24 78 01 00 00"
REPLACEMENT="75"
OFFSET=1
PATTERN="48 85 C0 0F 84 ?? ?? ?? ?? 44 0F 11 BC 24 ?? ?? ?? ?? 74 04 48 8B 40 08 48 89 84 24 ?? ?? ?? ?? 48 89 9C 24 ?? ?? ?? ?? 48 8D 05 ?? ?? ?? ?? BB 15 00 00 00"
REPLACEMENT="85"
OFFSET=4
# Setup cleanup for temp files
TEMP_FILE=""
@@ -133,7 +133,7 @@ if ! echo "$FILE_TYPE" | grep -q "ELF"; then
fi
SEARCH_PATTERN=$(echo "$PATTERN" | tr -d ' ' | tr '?' '.' | tr 'A-Z' 'a-z')
PATCHED_PATTERN=$(echo "$PATTERN" | sed 's/84 81/55 81/' | tr -d ' ' | tr '?' '.' | tr 'A-Z' 'a-z')
PATCHED_PATTERN=$(echo "$PATTERN" | sed 's/0F 84/0F 85/' | tr -d ' ' | tr '?' '.' | tr 'A-Z' 'a-z')
log "Dumping hexcode of original binary"
@@ -201,7 +201,7 @@ fi
log "Call found, patching jz at offset 0x$BYTE_OFFSET_HEX with jnz"
if [ "$DRY_RUN" -eq 1 ]; then
log "Dry run: Would patch byte at offset 0x$BYTE_OFFSET_HEX from 0x74 to 0x75"
log "Dry run: Would patch byte at offset 0x$BYTE_OFFSET_HEX from 0x84 to 0x85"
log "No changes made to '$BINARY_FILE'."
exit 0
fi