Chaofan Shou Profile picture
Apr 20, 2023 8 tweets 7 min read Read on X
🈹 Stop buying #pepedao / #pipipump / #bobcoin, owner can rug you.

Scammer deployed >67 malicious tokens. These contracts are obfuscated and designed to bypass @GoplusSecurity & @Token_Sniffer's rugpull analysis.

~$300k funds have already been rugged.

#ScamAlert #rugpull twitter.com/i/web/status/1… Image
@GoplusSecurity @Token_Sniffer So, what's going on?

1. The attacker uses "oowner" to define the owner so that analysis considers the contract has no owner -- really benign in the eye of static analysis! twitter.com/i/web/status/1…
@GoplusSecurity @Token_Sniffer 2. The code for rug pull is inside "transfer" and "Approve" functions, very unconventional.
3. The attacker can only get infinite tokens by transferring tokens to themselves. Analysis by security companies misses this case and considers the token to have a constant total supply.
To list a few false negatives
gopluslabs.io/token-security…

gopluslabs.io/token-security…

@GoplusSecurity, you may want to take a look.
There are >1000 (deployers and market makers) addresses involved in this scam with different funding sources (@binance / @SimpleSwap_io, @aztecnetwork, @TornadoCash).
@binance @SimpleSwap_io @aztecnetwork @TornadoCash attacker just took $78k profit from #pepedao and created a new scam token:

etherscan.io/token/0xf533d9… Image
兄弟们今天被🈹️韭菜了吗

#韭菜 #空气币 #加密货币

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More from @shoucccc

Apr 14
Technical details on how we made $10k/hr by mining $ORE via @bloXrouteLabs @jito_sol and GPUs.

[1/8] 🧵Image
@bloXrouteLabs @jito_sol [2/8] WTF is $ORE

ORE is a token on Solana with a mining program. One can claim ORE from the mining program by sending correct nonces (calculated by trying hashes) to it.

A mining tx looks like this: Image
@bloXrouteLabs @jito_sol [3/8] Initial Attempt for Landing Tx

Due to the massive amount of miners clogging the Solana network, it is extremely tough to land any tx.

We initially tried a strategy MEV bots used: blindly sending millions of txs every second to every open RPC on the Internet. Image
Read 9 tweets
Dec 13, 2023
😝 Here is the full disclosure of the Twitter XSS + CSRF vulnerability.

Clicking a crafted link or going to some crafted web pages would allow attackers to take over your account (posting, liking, updating your profile, deleting your account, etc.)
On 12/11, @rabbit_2333 posted details about an XSS on the Twitter subdomain .

analytics.twitter.com
This XSS seems to be nothing beyond alert popper because:

1). Twitter's cookies are HttpOnly, meaning reading them using Javascript is impossible.

2). There are CSRF tokens, so no CSRF attacks.

3). Strict same site policy on , so no CSRF attacks to it. twitter.com
Image
Read 7 tweets
May 9, 2023
How to make $800k every day by rug pulling?

A tutorial 🧵[1/7] Image
Create an ERC20 token, preferably with some funky names.

Some examples 👇

[2/7] Image
Make your scam token tradeable by creating a liquidity pool (LP). You can use Uniswap / PancakeSwap for this.

You initially need to add ~$50k value of assets to LP to get victims' attention.

[3/7] Image
Read 8 tweets
May 8, 2023
gg! Our fuzzer can solve all challenges automatically in <16hrs on single core with some fine tunings 🔥🔥

Will share the writeup

Try it out: github.com/fuzzland/ityfu…
And kudos to @publicqi for solving even faster than the fuzzer and using less gas
and big thank you to @merklejerk @dragonfly_xyz for organizing such a fun CTF!
Read 4 tweets

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