n0mad1k
65 lines
2.2 KiB
Bash
65 lines
2.2 KiB
Bash
#!/bin/bash
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# === CONFIG ===
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IMPLANT_DIR="$HOME/Tools/havoc/payloads/Demon"
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SRC_DIR="$IMPLANT_DIR/src"
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BUILD_ROOT="$HOME/Tools/havoc"
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OUTPUT_FILE="$HOME/Tools/havoc/payloads/Shellcode.x64.bin"
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BACKUP_DIR="$HOME/Tools/havoc/payloads/backup"
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TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
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# === COLORS ===
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YELLOW='\033[1;33m'
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GREEN='\033[1;32m'
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NC='\033[0m'
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echo -e "${YELLOW}[+] Starting Havoc implant mutation...${NC}"
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# === 1. Backup Previous Shellcode ===
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mkdir -p "$BACKUP_DIR"
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if [[ -f "$OUTPUT_FILE" ]]; then
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cp "$OUTPUT_FILE" "$BACKUP_DIR/implant_$TIMESTAMP.raw"
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echo -e "${GREEN}[*] Previous shellcode backed up to: implant_$TIMESTAMP.raw${NC}"
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else
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echo -e "${YELLOW}[!] No previous shellcode found to back up.${NC}"
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fi
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# === 2. Generate Random Identifiers ===
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random_str() {
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tr -dc A-Za-z0-9 </dev/urandom | head -c 12
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}
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UA=$(random_str)
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URI=$(random_str)
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PIPE=$(random_str)
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MUTEX=$(random_str)
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# === 3. Mutate TransportHttp.c ===
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THTTP="$SRC_DIR/core/TransportHttp.c"
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if [[ -f "$THTTP" ]]; then
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sed -i "s/User-Agent: .*/User-Agent: ${UA}\\r\\n\";/" "$THTTP"
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sed -i "s|/stage|/${URI}|g" "$THTTP"
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echo -e "${GREEN}[*] Replaced User-Agent with '${UA}' and URI path with '/${URI}'${NC}"
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else
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echo -e "${YELLOW}[!] TransportHttp.c not found. Skipping User-Agent/URI mutation.${NC}"
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fi
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# === 4. Mutate Named Pipe and Mutex ===
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TARGET_FILE=""
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for f in "$SRC_DIR/core/Runtime.c" "$SRC_DIR/main/MainExe.c"; do
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if [[ -f "$f" ]]; then
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TARGET_FILE="$f"
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break
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fi
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done
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if [[ -n "$TARGET_FILE" ]]; then
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sed -i "s|\\\\\\\\.\\\\pipe\\\\[a-zA-Z0-9_]*|\\\\\\\\.\\\\pipe\\\\${PIPE}|g" "$TARGET_FILE"
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sed -i "s|Mutex_[a-zA-Z0-9_]*|Mutex_${MUTEX}|g" "$TARGET_FILE"
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echo -e "${GREEN}[*] Randomized named pipe: \\\\.\\pipe\\${PIPE}${NC}"
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echo -e "${GREEN}[*] Randomized mutex: Mutex_${MUTEX}${NC}"
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else
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echo -e "${YELLOW}[!] No config file found to mutate mutex/pipe.${NC}"
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fi
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# === 5. Rebuild Implant via Top-Level Makefile ===
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echo -e "${YELLOW}[+] Rebuilding Havoc payload from top-level makefile...${NC}"
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cd "$BUILD_ROOT" || exit 1
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make clean && make
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# === 6. Confirm Shellcode Output ===
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if [[ -f "$OUTPUT_FILE" ]]; then
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echo -e "${GREEN}[+] Success! New shellcode generated: $OUTPUT_FILE${NC}"
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else
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echo -e "${YELLOW}[!] Build failed or shellcode was not generated.${NC}"
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exit 1
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fi |