Individual skill
dev-mem
Runtime memory access and manipulation on embedded Linux via /dev/mem, /dev/kmem, and MTD devices. Covers physical memory reads/writes, kernel symbol resolution via /proc/kallsyms, live firmware patching with mtd_debug and flashcp, and bypassing memory-access restrictions (CONFIG_STRICT_DEVMEM, kernel.perf_event_paranoid).
packages/decepticon/decepticon/skills/standard/iot/dev-mem/SKILL.md
Source commit df879550544d36b6b1e69062f05adae28537adf2
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
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Repository context
- Repository stars (not skill ratings)
- 6,571
- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- agent Repository topic
- ai Repository topic
- cybersecurity Repository topic
- hacking Repository topic
- langchain Repository topic
- langgraph Repository topic
- llm Repository topic
- generative-ai Repository topic
- pentesting Repository topic
- pentest Repository topic
- engineering Derived category
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Files and excerpt
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Browse files
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Read excerpt
# /dev/mem, /dev/kmem, and MTD Runtime Patching
> On embedded Linux, physical memory and raw flash are often accessible
> as character devices. Combined with /proc/kallsyms for kernel symbol
> resolution, these interfaces allow runtime rootkit injection, credential
> extraction, and live firmware modification without touching the filesystem.
## Prerequisites
- Shell access on the target (obtained via UART/SSH/telnet or post-exploitation).
- Target runs Linux (confirms with `uname -a`).
- Check access: `ls -la /dev/mem /dev/kmem /dev/mtd*`.
- Tools: `devmem2` (or `/dev/mem` via dd), `mtd_debug`, `flashcp`, `busybox devmem`.
